{"success":true,"data":[{"kind":"metal","id":"iron","name":"Iron","url":"https://michaelghelfistudios.com/apps/metals/iron","embed_url":"https://michaelghelfistudios.com/apps/embed/metal/iron","category":"real_pure","identity":{"names":"Iron","alternateNames":["Ferrum","Fe"],"symbol":"Fe","atomicNumber":26,"source":"Natural element","era":"timeless","fictional":false},"physical":{"colorHex":"#808080","appearance":"Silvery-grey, metallic sheen that dulls quickly to reddish-brown oxide","luster":"metallic","density":7.87,"meltingPoint":1538,"boilingPoint":2862,"magnetism":"ferromagnetic","conductivity":"high"},"mechanical":{"mohsHardness":4,"tensileStrength":540,"workability":"easy","brittleness":"moderate","malleability":"moderate","ductility":"moderate"},"chemical":{"corrosionResistance":"low","reactivity":"moderate"},"narrative":{"rarity":"common","description":"Cheap, everywhere, and it rusts. 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The secret spread rapidly, and within centuries iron had displaced bronze across Eurasia.","notableUses":"Weapons, armor, tools, construction, machinery","forgeUses":["weapons","armor","tools","construction"],"worldbuilding":["ubiquitous","magnetic","rust-prone","cheap"],"tags":["common","magnetic","historical","foundational"]}},{"kind":"metal","id":"copper","name":"Copper","url":"https://michaelghelfistudios.com/apps/metals/copper","embed_url":"https://michaelghelfistudios.com/apps/embed/metal/copper","category":"real_pure","identity":{"names":"Copper","alternateNames":["Cuprum","Cu"],"symbol":"Cu","atomicNumber":29,"source":"Natural element","era":"timeless","fictional":false},"physical":{"colorHex":"#b87333","appearance":"Distinctive reddish-orange, developing a green patina over time","luster":"metallic","density":8.96,"meltingPoint":1085,"boilingPoint":2562,"magnetism":"non-magnetic","conductivity":"very high"},"mechanical":{"mohsHardness":2.5,"tensileStrength":210,"workability":"easy","brittleness":"tough","malleability":"very high","ductility":"very high"},"chemical":{"corrosionResistance":"moderate","reactivity":"low"},"narrative":{"rarity":"common","description":"The first metal humans worked, because there was nothing to smelt: copper turns up in the ground as native nuggets you can hammer cold into shape. 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No forge will smelt it at any temperature: the metal holds its oxygen so tightly that only electricity separates the two. Remelting scrap costs a twentieth of that energy, which is why aluminium recycling is worth the trouble.","lore":"Napoleon III served his most honored guests on aluminum plates while lesser guests used gold and silver. 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It melts at 232°C, low enough for a kitchen fire, and it is far too soft to build with, so its work is done as a skin over something else: a tin coating on steel is what makes a tin can. In hard frost, pure tin can crumble into grey powder, a rot that spreads outward from a single spot.","lore":"The tin trade routes of the ancient world were among the most important commercial networks in history. Tin had to be brought from Cornwall, Afghanistan, and Anatolia to meet bronze-smiths in Mesopotamia and Egypt, creating some of the first long-distance trade networks.","notableUses":"Bronze alloy, tin plating, solder, pewter alloy","forgeUses":["alloys","plating","solder"],"worldbuilding":["Ancient","alloy-base","soft","corrosion-resistant"],"tags":["uncommon","Ancient","alloy-base","soft"]}},{"kind":"metal","id":"nickel","name":"Nickel","url":"https://michaelghelfistudios.com/apps/metals/nickel","embed_url":"https://michaelghelfistudios.com/apps/embed/metal/nickel","category":"real_pure","identity":{"names":"Nickel","alternateNames":["Ni","Kupfernickel (archaic)"],"symbol":"Ni","atomicNumber":28,"source":"Natural element","era":"modern","fictional":false},"physical":{"colorHex":"#727472","appearance":"Lustrous silver with a faint golden tinge, takes a high polish","luster":"metallic","density":8.91,"meltingPoint":1455,"boilingPoint":2913,"magnetism":"ferromagnetic","conductivity":"medium"},"mechanical":{"mohsHardness":4,"tensileStrength":345,"workability":"moderate","brittleness":"tough","malleability":"moderate","ductility":"moderate"},"chemical":{"corrosionResistance":"high","reactivity":"low"},"narrative":{"rarity":"common","description":"The reason a good stainless steel will not hold a magnet: nickel rearranges the crystal so the steel stays formable and non-magnetic. 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The chemical symbol W is the one place that older name still survives.","notableUses":"Light bulb filaments, cutting tools, armor-piercing ammunition, radiation shielding","forgeUses":["cutting tools","armor-piercing","high-temperature applications"],"worldbuilding":["extreme","hard","high-temperature","dense"],"tags":["uncommon","extreme","hard","modern"]}},{"kind":"metal","id":"chromium","name":"Chromium","url":"https://michaelghelfistudios.com/apps/metals/chromium","embed_url":"https://michaelghelfistudios.com/apps/embed/metal/chromium","category":"real_pure","identity":{"names":"Chromium","alternateNames":["Cr"],"symbol":"Cr","atomicNumber":24,"source":"Natural element","era":"modern","fictional":false},"physical":{"colorHex":"#e0e0e0","appearance":"Brilliant steel-grey, mirror-like when polished, maintains shine indefinitely","luster":"metallic","density":7.19,"meltingPoint":1907,"boilingPoint":2671,"magnetism":"non-magnetic","conductivity":"medium"},"mechanical":{"mohsHardness":8.5,"tensileStrength":690,"workability":"difficult","brittleness":"brittle","malleability":"low","ductility":"low"},"chemical":{"corrosionResistance":"very high","reactivity":"low"},"narrative":{"rarity":"uncommon","description":"The element responsible for the shine of stainless steel and chrome plating, chromium is also what gives rubies their red color and emeralds their green. 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This compound is also severely toxic, making osmium uniquely dangerous in powdered or oxidizing forms.","notableUses":"Pen tips, compass needles, electrical contacts, scientific instruments","forgeUses":["precision instruments","electrical contacts"],"worldbuilding":["densest","rare","toxic-oxide","extreme"],"tags":["very rare","densest","extreme","toxic"]}},{"kind":"metal","id":"bronze","name":"Bronze","url":"https://michaelghelfistudios.com/apps/metals/bronze","embed_url":"https://michaelghelfistudios.com/apps/embed/metal/bronze","category":"real_alloy","identity":{"names":"Bronze","alternateNames":["Tin bronze","Bell metal (high-tin variety)"],"source":"Historical alloy: copper and tin","era":"ancient","fictional":false},"physical":{"colorHex":"#cd7f32","appearance":"Warm reddish-brown to golden, develops a distinctive green patina over centuries","luster":"metallic","density":8.7,"meltingPoint":950,"boilingPoint":2300,"magnetism":"non-magnetic","conductivity":"high"},"mechanical":{"mohsHardness":3.5,"tensileStrength":500,"workability":"easy","brittleness":"moderate","malleability":"high","ductility":"moderate"},"chemical":{"corrosionResistance":"high","reactivity":"low"},"narrative":{"rarity":"common","description":"Copper with about a tenth of tin, harder than either and, more to the point, castable: a bronze sword is poured into a mould rather than beaten out of a bar. It does not rust through the way iron does, it grows a green skin and stops there, which is why bronze comes out of the ground whole and iron comes out as a stain.","lore":"The Bronze Age collapsed suddenly around 1200 BC in what historians call the Late Bronze Age Collapse, a mysterious cascade of civilizational failures across the Mediterranean. Within decades, the great palace cultures of Mycenae, the Hittites, and Egypt were gone.","notableUses":"Weapons, armor, sculpture, bells, coins, bearings","forgeUses":["weapons","armor","sculpture","bells"],"worldbuilding":["Ancient","green-patina","foundational","artistic"],"tags":["common","Ancient","historical","foundational"]}},{"kind":"metal","id":"steel","name":"Steel","url":"https://michaelghelfistudios.com/apps/metals/steel","embed_url":"https://michaelghelfistudios.com/apps/embed/metal/steel","category":"real_alloy","identity":{"names":"Steel","alternateNames":["Carbon steel","Iron-carbon alloy"],"source":"Historical alloy: iron and carbon","era":"timeless","fictional":false},"physical":{"colorHex":"#71797e","appearance":"Bright silver-grey, maintains a metallic sheen, rusts to orange-brown without protection","luster":"metallic","density":7.85,"meltingPoint":1370,"boilingPoint":2750,"magnetism":"ferromagnetic","conductivity":"medium"},"mechanical":{"mohsHardness":5.5,"tensileStrength":1000,"workability":"moderate","brittleness":"moderate","malleability":"moderate","ductility":"moderate"},"chemical":{"corrosionResistance":"low","reactivity":"moderate"},"narrative":{"rarity":"common","description":"Iron with its carbon held between roughly 0.2% and 2.1%, the range where heat treatment starts to bite. Quench a hot blade in water and it comes out glass-hard and ready to snap; warm it gently afterwards and it trades some of that hardness for the ability to bend instead of break. Most of what a smith knows is spent finding the point between the two.","lore":"The Bessemer converter of 1856 blew cold air up through molten iron and burned the carbon out in about twenty minutes, work that had taken the better part of a day. The price of steel fell by roughly four fifths within a few years, and the railways and the tall buildings followed it down.","notableUses":"Construction, transportation, weapons, machinery, appliances","forgeUses":["construction","weapons","tools","machinery"],"worldbuilding":["ubiquitous","modern","structural","industrial"],"tags":["common","ubiquitous","modern","structural"]}},{"kind":"metal","id":"brass","name":"Brass","url":"https://michaelghelfistudios.com/apps/metals/brass","embed_url":"https://michaelghelfistudios.com/apps/embed/metal/brass","category":"real_alloy","identity":{"names":"Brass","alternateNames":["Yellow brass","Copper-zinc alloy"],"source":"Historical alloy: copper and zinc","era":"ancient","fictional":false},"physical":{"colorHex":"#b5a642","appearance":"Bright yellow-gold, warmer and more golden than steel, polishes to a high mirror shine","luster":"metallic","density":8.5,"meltingPoint":900,"boilingPoint":1700,"magnetism":"non-magnetic","conductivity":"high"},"mechanical":{"mohsHardness":3,"tensileStrength":550,"workability":"easy","brittleness":"tough","malleability":"high","ductility":"high"},"chemical":{"corrosionResistance":"high","reactivity":"low"},"narrative":{"rarity":"common","description":"Copper with zinc in it, gold-coloured and cheap, and the easiest of the common metals to machine: it cuts like hard cheese and holds a thread. Instrument makers use it because a brass tube can be drawn thin, bent and brazed without cracking. It throws no spark, so it is also what you make tools from when you are standing in a room full of gas.","lore":"Romans called brass orichalcum, not the legendary metal but an admiring nickname for its gold-like color. Roman brass coins were called sestertii and were considered more prestigious than the lower-denomination copper asses.","notableUses":"Musical instruments, plumbing fixtures, ammunition casings, decorative hardware","forgeUses":["musical instruments","decorative hardware","plumbing"],"worldbuilding":["golden","acoustic","decorative","common"],"tags":["common","golden","acoustic","decorative"]}},{"kind":"metal","id":"electrum","name":"Electrum","url":"https://michaelghelfistudios.com/apps/metals/electrum","embed_url":"https://michaelghelfistudios.com/apps/embed/metal/electrum","category":"real_alloy","identity":{"names":"Electrum","alternateNames":["Green gold","White gold (archaic)","Asem (Egyptian)"],"source":"Natural and historical alloy: gold and silver","era":"ancient","fictional":false},"physical":{"colorHex":"#c5b358","appearance":"Pale yellow-gold, lighter in color than pure gold, naturally occurring or deliberately alloyed","luster":"metallic","density":15,"meltingPoint":1000,"boilingPoint":1900,"magnetism":"non-magnetic","conductivity":"very high"},"mechanical":{"mohsHardness":3,"workability":"easy","brittleness":"tough","malleability":"very high","ductility":"very high"},"chemical":{"corrosionResistance":"very high","reactivity":"very low"},"narrative":{"rarity":"rare","description":"A naturally occurring gold-silver alloy found in riverbeds and deposits, electrum was used for coinage and ornamentation long before pure gold could be reliably refined. The first coins in history, the Lydian staters, were struck in electrum around 600 BC.","lore":"Ancient Egyptians called electrum asem and valued it above gold for certain ritual purposes. The tips of Egyptian obelisks, Cleopatra's Needles among them, were traditionally capped with electrum to catch and reflect the rising sun.","notableUses":"First coins, obelisk tips, ritual vessels, jewelry","forgeUses":["coinage","ritual objects","jewelry"],"worldbuilding":["Ancient","natural","solar","monetary"],"tags":["rare","Ancient","natural","monetary"]}},{"kind":"metal","id":"pewter","name":"Pewter","url":"https://michaelghelfistudios.com/apps/metals/pewter","embed_url":"https://michaelghelfistudios.com/apps/embed/metal/pewter","category":"real_alloy","identity":{"names":"Pewter","alternateNames":["Tin-lead alloy","Fine metal (archaic)"],"source":"Historical alloy: tin and lead","era":"medieval","fictional":false},"physical":{"colorHex":"#96a0a8","appearance":"Dull silver-grey, soft matte finish, looks like tarnished silver","luster":"metallic","density":10,"meltingPoint":225,"boilingPoint":1740,"magnetism":"non-magnetic","conductivity":"medium"},"mechanical":{"mohsHardness":1.5,"workability":"easy","brittleness":"moderate","malleability":"very high","ductility":"moderate"},"chemical":{"corrosionResistance":"moderate","reactivity":"low"},"narrative":{"rarity":"common","description":"Tin with a little lead or antimony in it, soft enough to dent with a thumb, dull grey, and cheap enough that an ordinary household could own a shelf of it. It melts at the heat of a cooking fire, so a battered plate went back into the pot and came out a plate again. It also creeps: an old pewter tankard sags slowly under its own weight.","lore":"The London pewterers graded their alloy by law: fine metal for anything that touched food, trifle for holloware, ley for candlesticks and chamber pots. Every master struck his own touchmark into the piece, and the guild kept a plate of all the marks in its hall.","notableUses":"Tableware, mugs, religious objects, decorative items","forgeUses":["tableware","religious objects","decorative items"],"worldbuilding":["common","medieval","toxic-lead","accessible"],"tags":["common","medieval","historical","accessible"]}},{"kind":"metal","id":"damascus_steel","name":"Damascus Steel","url":"https://michaelghelfistudios.com/apps/metals/damascus_steel","embed_url":"https://michaelghelfistudios.com/apps/embed/metal/damascus_steel","category":"real_alloy","identity":{"names":"Damascus Steel","alternateNames":["Wootz steel (source material)","Pattern-welded steel"],"source":"Middle Eastern smithing tradition","era":"medieval","fictional":false},"physical":{"colorHex":"#3a3a3a","appearance":"Dark grey to black with distinctive flowing wave patterns of lighter metal visible on the surface","luster":"metallic","density":7.8,"meltingPoint":1425,"boilingPoint":2700,"magnetism":"ferromagnetic","conductivity":"medium"},"mechanical":{"mohsHardness":6.5,"tensileStrength":1500,"workability":"difficult","brittleness":"tough","malleability":"moderate","ductility":"moderate"},"chemical":{"corrosionResistance":"moderate","reactivity":"moderate"},"narrative":{"rarity":"rare","description":"Blades from the medieval Middle East, forged from wootz ingots imported from India, with a watered pattern in the steel that no European smith could reproduce. The method depended on trace impurities in one particular ore, and when that ore ran out around 1750 the craft went with it. What smiths sell as damascus today is pattern-welded steel, a different thing that looks similar.","lore":"Crusader accounts describe Damascus blades cutting falling silk and shaving hair, feats modern replications can confirm. The flowing patterns are formed by carbide bands of cementite, created through repeated folding and acid etching.","notableUses":"Sword blades, knife blades, armor, high-value cutlery","forgeUses":["swords","knives","armor"],"worldbuilding":["patterned","legendary","lost-art","medieval"],"tags":["rare","legendary","medieval","patterned"]}},{"kind":"metal","id":"sterling_silver","name":"Sterling Silver","url":"https://michaelghelfistudios.com/apps/metals/sterling_silver","embed_url":"https://michaelghelfistudios.com/apps/embed/metal/sterling_silver","category":"real_alloy","identity":{"names":"Sterling Silver","alternateNames":["925 silver","Standard silver"],"source":"Historical alloy: silver and copper","era":"medieval","fictional":false},"physical":{"colorHex":"#aaabbc","appearance":"Bright white-silver, slightly warmer tone than pure silver, tarnishes to a dark grey-black patina","luster":"metallic","density":10.4,"meltingPoint":893,"boilingPoint":1900,"magnetism":"non-magnetic","conductivity":"very high"},"mechanical":{"mohsHardness":2.5,"tensileStrength":290,"workability":"easy","brittleness":"tough","malleability":"high","ductility":"high"},"chemical":{"corrosionResistance":"moderate","reactivity":"low"},"narrative":{"rarity":"uncommon","description":"Silver on its own is too soft to survive a dinner table, so it is alloyed with 7.5% copper. The proportion has been fixed by law in England since 1300 and stamped on the piece ever since; that is all a hallmark is. The copper is also why sterling tarnishes faster than pure silver.","lore":"The term 'sterling' may derive from the Old Norman French word esterlin, meaning 'little star', a reference to small stars stamped on Norman coins. English sterling silver coins became such a reliable standard that 'sterling' came to mean reliable quality in any context.","notableUses":"Jewelry, cutlery, tableware, musical instruments, photography","forgeUses":["jewelry","cutlery","tableware","musical instruments"],"worldbuilding":["refined","standard","antimicrobial","tarnishing"],"tags":["uncommon","refined","standard","decorative"]}},{"kind":"metal","id":"white_gold","name":"White Gold","url":"https://michaelghelfistudios.com/apps/metals/white_gold","embed_url":"https://michaelghelfistudios.com/apps/embed/metal/white_gold","category":"real_alloy","identity":{"names":"White Gold","alternateNames":["18k white gold","Palladium gold"],"source":"Modern alloy: gold and white metals","era":"modern","fictional":false},"physical":{"colorHex":"#e8e8e0","appearance":"Bright white-silver, indistinguishable from platinum to the eye, often rhodium-plated for extra brilliance","luster":"metallic","density":15.5,"meltingPoint":960,"boilingPoint":1900,"magnetism":"non-magnetic","conductivity":"high"},"mechanical":{"mohsHardness":3.5,"workability":"moderate","brittleness":"tough","malleability":"high","ductility":"high"},"chemical":{"corrosionResistance":"very high","reactivity":"very low"},"narrative":{"rarity":"rare","description":"White gold is not white. Under the plating it is a dull greyish yellow, and the bright silvery look comes from a skin of rhodium a fraction of a micron thick, put on last. That skin wears through where a ring rubs, usually within a few years, and the piece goes back to the jeweller to be plated again. The people selling it rarely mention this.","lore":"White gold was developed during World War I when platinum was restricted for military use. Jewelers needed a platinum alternative that could still command premium prices. The result was a material that looked like platinum but cost considerably less.","notableUses":"Engagement rings, fine jewelry, high-end watchmaking","forgeUses":["jewelry","watchmaking"],"worldbuilding":["modern","prestigious","deceptive-appearance","luxury"],"tags":["rare","modern","luxury","prestigious"]}},{"kind":"metal","id":"duralumin","name":"Duralumin","url":"https://michaelghelfistudios.com/apps/metals/duralumin","embed_url":"https://michaelghelfistudios.com/apps/embed/metal/duralumin","category":"real_alloy","identity":{"names":"Duralumin","alternateNames":["2024 aluminum alloy","Aircraft aluminum"],"source":"Modern alloy: aluminum, copper, magnesium, manganese","era":"modern","fictional":false},"physical":{"colorHex":"#c0c0c0","appearance":"Silver-grey, lighter than steel, develops a white oxide coating","luster":"metallic","density":2.78,"meltingPoint":650,"boilingPoint":2300,"magnetism":"non-magnetic","conductivity":"high"},"mechanical":{"mohsHardness":3.5,"tensileStrength":470,"workability":"moderate","brittleness":"moderate","malleability":"moderate","ductility":"moderate"},"chemical":{"corrosionResistance":"moderate","reactivity":"moderate"},"narrative":{"rarity":"common","description":"Aluminium with a little copper in it, and the disconcerting habit of hardening while nobody is looking. Straight from the quench it is soft enough to shape; left on the bench it grows steadily stiffer over the following four days, and there is no undoing it. Aircraft factories packed their rivets in ice to keep them soft enough to drive.","lore":"Alfred Wilm found it in 1906 by accident, after a test that went wrong and a weekend that went by before he looked again. The Zeppelin airships were framed in duralumin, and so were the first all-metal aircraft.","notableUses":"Aircraft, spacecraft, transportation, sporting equipment","forgeUses":["aircraft","spacecraft","transportation"],"worldbuilding":["lightweight","aviation","modern","structural"],"tags":["common","lightweight","modern","aviation"]}},{"kind":"metal","id":"wootz_steel","name":"Wootz Steel","url":"https://michaelghelfistudios.com/apps/metals/wootz_steel","embed_url":"https://michaelghelfistudios.com/apps/embed/metal/wootz_steel","category":"real_alloy","identity":{"names":"Wootz Steel","alternateNames":["Ukku steel","Pulad (Persian)","Hindu steel"],"source":"South Indian smithing tradition","era":"ancient","fictional":false},"physical":{"colorHex":"#2a2a2a","appearance":"Very dark grey to black, with a crystalline surface pattern visible after acid etching","luster":"metallic","density":7.8,"meltingPoint":1400,"boilingPoint":2700,"magnetism":"ferromagnetic","conductivity":"medium"},"mechanical":{"mohsHardness":7,"tensileStrength":2000,"workability":"difficult","brittleness":"moderate","malleability":"low","ductility":"low"},"chemical":{"corrosionResistance":"moderate","reactivity":"moderate"},"narrative":{"rarity":"rare","description":"Crucible steel from South India and Sri Lanka, made by sealing iron and green plant matter in a clay pot and holding it at heat for a day or more. It was the one steel of the ancient world that was genuinely melted, rather than beaten out of a spongy bloom, which is why it came out the same all the way through. It left the smelter as flat cakes the size of a palm, and traders carried those west.","lore":"Modern analysis revealed that wootz steel contains carbon nanotubes and cementite nanowires, structures that scientists could not synthesize until the late 20th century. Ancient Indian smiths were inadvertently creating nano-engineered steel over two thousand years ago.","notableUses":"Sword blades, high-quality tools, ceremonial weapons","forgeUses":["swords","tools","ceremonial weapons"],"worldbuilding":["Ancient","nano-structured","legendary","indian"],"tags":["rare","Ancient","legendary","nano-structured"]}},{"kind":"metal","id":"shakudo","name":"Shakudo","url":"https://michaelghelfistudios.com/apps/metals/shakudo","embed_url":"https://michaelghelfistudios.com/apps/embed/metal/shakudo","category":"real_alloy","identity":{"names":"Shakudo","alternateNames":["Japanese black gold","Copper-gold alloy"],"source":"Japanese metalworking tradition","era":"medieval","fictional":false},"physical":{"colorHex":"#1c1c1c","appearance":"Deep blue-black to violet-black patina over a copper-gold base, achieved through traditional chemical treatment","luster":"metallic","density":9,"meltingPoint":1000,"boilingPoint":1900,"magnetism":"non-magnetic","conductivity":"high"},"mechanical":{"mohsHardness":3,"workability":"moderate","brittleness":"tough","malleability":"high","ductility":"high"},"chemical":{"corrosionResistance":"high","reactivity":"low"},"narrative":{"rarity":"rare","description":"A Japanese alloy of copper and a small amount of gold, typically 4% to 10%, that develops a stunning deep blue-black patina when treated with a traditional solution called niiro. The resulting color is unlike any other metal surface.","lore":"Shakudo was used for the fittings of Japanese swords: tsuba (handguards), menuki (grip ornaments) and kozuka (utility knife handles). The black and gold contrast created by combining shakudo with gold inlay is one of the highest expressions of Japanese metalwork.","notableUses":"Sword fittings, decorative metalwork, jewelry, ceremonial objects","forgeUses":["sword fittings","decorative metalwork","jewelry"],"worldbuilding":["japanese","black-gold","patinated","artistic"],"tags":["rare","japanese","artistic","patinated"]}},{"kind":"metal","id":"mokume_gane","name":"Mokume-gane","url":"https://michaelghelfistudios.com/apps/metals/mokume_gane","embed_url":"https://michaelghelfistudios.com/apps/embed/metal/mokume_gane","category":"real_alloy","identity":{"names":"Mokume-gane","alternateNames":["Wood-grain metal","Burl metal"],"source":"Japanese metalworking tradition","era":"medieval","fictional":false},"physical":{"colorHex":"#8b6914","appearance":"Multi-layered surface showing swirling wood-grain patterns of alternating metals: gold, silver, copper, shakudo in natural or patinated colors","luster":"metallic","density":9.5,"meltingPoint":900,"boilingPoint":1800,"magnetism":"non-magnetic","conductivity":"high"},"mechanical":{"mohsHardness":3,"workability":"difficult","brittleness":"tough","malleability":"high","ductility":"high"},"chemical":{"corrosionResistance":"high","reactivity":"low"},"narrative":{"rarity":"rare","description":"A technique, not an alloy: a stack of different metals forge-welded into one billet, then cut into and flattened again so the buried layers surface as a pattern. It runs all the way through the metal, so it cannot be polished off or worn away, and it cannot be drawn out in advance either. The smith finds out what he has made when he files the face flat.","lore":"Developed by the Japanese swordsmith Denbei Shoami around 1700, mokume-gane was originally used for sword fittings. The name means 'wood-grain metal', since the patterns mimic the natural grain visible in cut wood. Each piece requires weeks of skilled handwork.","notableUses":"Jewelry, sword fittings, decorative objects, fine art metalwork","forgeUses":["jewelry","sword fittings","decorative art"],"worldbuilding":["japanese","patterned","unique","artistic"],"tags":["rare","japanese","artistic","unique"]}},{"kind":"metal","id":"rose_gold","name":"Rose Gold","url":"https://michaelghelfistudios.com/apps/metals/rose_gold","embed_url":"https://michaelghelfistudios.com/apps/embed/metal/rose_gold","category":"real_alloy","identity":{"names":"Rose Gold","alternateNames":["Red gold","Pink gold","Russian gold"],"source":"Modern alloy: gold and copper","era":"modern","fictional":false},"physical":{"colorHex":"#b76e79","appearance":"Warm pink-gold to deep red-gold depending on copper content, does not tarnish","luster":"metallic","density":15.4,"meltingPoint":930,"boilingPoint":1900,"magnetism":"non-magnetic","conductivity":"high"},"mechanical":{"mohsHardness":3,"workability":"easy","brittleness":"tough","malleability":"high","ductility":"high"},"chemical":{"corrosionResistance":"very high","reactivity":"very low"},"narrative":{"rarity":"uncommon","description":"Gold alloyed with copper, typically 75% gold and 25% copper for 18k rose gold, produces a distinctively warm pink color. The more copper, the redder the metal. Rose gold was popularized in 19th-century Russia and experienced a major revival in contemporary jewelry.","lore":"Carl Fabergé used rose gold extensively in his famous Easter eggs created for the Russian imperial family. His use of the metal helped establish it as a symbol of romantic luxury, an association that modern jewelry designers have enthusiastically revived.","notableUses":"Jewelry, watches, luxury accessories","forgeUses":["jewelry","watches","luxury items"],"worldbuilding":["romantic","warm","luxury","modern"],"tags":["uncommon","romantic","luxury","modern"]}},{"kind":"metal","id":"hihiirokane","name":"Hihiirokane","url":"https://michaelghelfistudios.com/apps/metals/hihiirokane","embed_url":"https://michaelghelfistudios.com/apps/embed/metal/hihiirokane","category":"mythological","identity":{"names":"Hihiirokane","alternateNames":["Scarlet metal","Fire-colored metal","Hihi-iro-kane"],"source":"Japanese mythology / Shintoism","era":"ancient","fictional":true},"physical":{"colorHex":"#cc2200","appearance":"Vivid scarlet-red that glows without heat, described as 'the color of living fire frozen in metal form'","luster":"metallic","density":12,"meltingPoint":9500,"boilingPoint":null,"magnetism":"non-magnetic","conductivity":"very high"},"mechanical":{"mohsHardness":10,"tensileStrength":9999,"workability":"impossible","brittleness":"tough","malleability":"low","ductility":"low"},"chemical":{"corrosionResistance":"absolute","reactivity":"none"},"narrative":{"rarity":"legendary","description":"A scarlet metal, red the way heated iron is red but cold to the hand, and reportedly harder than anything a forge of the period could scratch. What is claimed for it is not strength but conduction: hihiirokane is said to carry divine energy the way a wire carries current, which is why it turns up in accounts of the sacred regalia rather than in accounts of weapons.","lore":"The Kojiki and Nihon Shoki contain fragmentary references to a divine scarlet metal. Later ninja and shinobi traditions claim hihiirokane could channel ki energy and deflect spiritual attacks. Some researchers believe the legends may reference meteoric iron seen glowing at high temperature.","notableUses":"Divine weapons, godly regalia, spiritual anchoring artifacts","forgeUses":["divine weapons","regalia"],"worldbuilding":["divine","japanese","scarlet","spiritual"],"tags":["mythic","divine","japanese","legendary"]}},{"kind":"metal","id":"abyssum","name":"Abyssum","url":"https://michaelghelfistudios.com/apps/metals/abyssum","embed_url":"https://michaelghelfistudios.com/apps/embed/metal/abyssum","category":"mythological","identity":{"names":"Abyssum","alternateNames":["Bottomless metal","Prima materia (alchemical)"],"source":"Medieval European alchemy","era":"medieval","fictional":true},"physical":{"colorHex":"#000020","appearance":"Absolute darkness, described as 'the color that exists before color', neither reflecting nor absorbing light","luster":"dull","density":null,"meltingPoint":null,"boilingPoint":null,"magnetism":"non-magnetic","conductivity":"none"},"mechanical":{"mohsHardness":null,"tensileStrength":null,"workability":"impossible","brittleness":"tough","malleability":"none","ductility":"none"},"chemical":{"corrosionResistance":"absolute","reactivity":"none"},"narrative":{"rarity":"legendary","description":"The theoretical prima materia of medieval alchemists, a hypothetical base substance from which all metals were believed to derive. Abyssum was not merely a metal but a philosophical concept: the primordial undifferentiated substance that existed before creation imposed form upon it.","lore":"Paracelsus, Albertus Magnus, and other medieval philosophers debated whether abyssum could be isolated. Some claimed that a sufficiently skilled alchemist could transmute any metal into any other by first reducing it to abyssum, stripping away its accidental form to reveal the essential void beneath.","notableUses":"Theoretical transmutation base, philosophical construct, ritual dissolution","forgeUses":["transmutation","philosophical"],"worldbuilding":["void","alchemical","primordial","philosophical"],"tags":["mythic","alchemical","void","philosophical"]}},{"kind":"metal","id":"lunargent","name":"Lunargent","url":"https://michaelghelfistudios.com/apps/metals/lunargent","embed_url":"https://michaelghelfistudios.com/apps/embed/metal/lunargent","category":"mythological","identity":{"names":"Lunargent","alternateNames":["Moonsilver","Argent de lune","Gealach-airgiod"],"source":"Celtic mythology","era":"ancient","fictional":true},"physical":{"colorHex":"#d8e8f8","appearance":"Pale blue-white, visibly shifts in luminosity with the moon's phases: brightest at full moon, nearly invisible at new moon","luster":"metallic","density":8,"meltingPoint":1100,"boilingPoint":2000,"magnetism":"non-magnetic","conductivity":"high"},"mechanical":{"mohsHardness":6,"tensileStrength":350,"workability":"moderate","brittleness":"moderate","malleability":"moderate","ductility":"moderate"},"chemical":{"corrosionResistance":"very high","reactivity":"very low"},"narrative":{"rarity":"legendary","description":"A metal the Celtic traditions place halfway between silver and moonlight, and one no smith claims to have smelted: it is always described as found, never as made. Worked pieces stay cool to the touch whatever the weather, and go dull to nothing on a moonless night. It belongs to Arianrhod, whose silver wheel turns the year, and it keeps her hours rather than yours.","lore":"Druids were said to harvest lunargent only during the three nights of full moon, using golden sickles to collect it from reflections in still water. Objects made from it were believed to reveal hidden truths and could not be used for deception without burning the deceiver's hands.","notableUses":"Druidic ritual objects, truth-revealing mirrors, sacred jewelry","forgeUses":["ritual objects","sacred mirrors","jewelry"],"worldbuilding":["lunar","celtic","truth-revealing","phase-changing"],"tags":["legendary","celtic","lunar","sacred"]}},{"kind":"metal","id":"ferrum_caeleste","name":"Ferrum Caeleste","url":"https://michaelghelfistudios.com/apps/metals/ferrum_caeleste","embed_url":"https://michaelghelfistudios.com/apps/embed/metal/ferrum_caeleste","category":"mythological","identity":{"names":"Ferrum Caeleste","alternateNames":["Celestial iron","Fer du ciel","Divine iron"],"source":"Roman mythology","era":"ancient","fictional":true},"physical":{"colorHex":"#e8e0d0","appearance":"White-gold luminosity with faint star-like sparks visible within the metal grain at certain angles","luster":"metallic","density":9.5,"meltingPoint":3800,"boilingPoint":7000,"magnetism":"ferromagnetic","conductivity":"high"},"mechanical":{"mohsHardness":9,"tensileStrength":2800,"workability":"difficult","brittleness":"tough","malleability":"moderate","ductility":"moderate"},"chemical":{"corrosionResistance":"absolute","reactivity":"none"},"narrative":{"rarity":"legendary","description":"Roman priests of Vulcan described a celestial iron said to fall from Jupiter's domain in the form of sacred meteorites. Unlike common meteoric iron, ferrum caeleste was believed to be deliberately cast down by the gods as gifts to chosen smiths.","lore":"The Ancile, the sacred shield of Mars that fell from heaven into the reign of Numa Pompilius, was believed to be fashioned from ferrum caeleste. The Romans made eleven copies of it; if the original were ever lost among the copies, the protection of Rome would be destroyed.","notableUses":"Divine shields, sacred weapons of generals, temple offerings","forgeUses":["divine shields","sacred weapons"],"worldbuilding":["divine","roman","meteoric","protective"],"tags":["mythic","divine","roman","meteoric"]}},{"kind":"metal","id":"ebony","name":"Ebony","url":"https://michaelghelfistudios.com/apps/metals/ebony","embed_url":"https://michaelghelfistudios.com/apps/embed/metal/ebony","category":"fictional_ip","identity":{"names":"Ebony","alternateNames":["Ebony ore","Volcanic ebony"],"source":"The Elder Scrolls series","era":"medieval","fictional":true,"ipLoreQuote":"\"Ebony is the blood of Lorkhan, shed when the gods tore out his heart at the creation of Mundus.\""},"physical":{"colorHex":"#0d0d0d","appearance":"Absolute jet black with a faint iridescent sheen, extremely heavy","luster":"metallic","density":14,"meltingPoint":2500,"boilingPoint":null,"magnetism":"non-magnetic","conductivity":"low"},"mechanical":{"mohsHardness":11,"tensileStrength":null,"workability":"difficult","brittleness":"tough","malleability":"low","ductility":"low"},"chemical":{"corrosionResistance":"absolute","reactivity":"none"},"narrative":{"rarity":"very rare","description":"Not the wood. Tamriel's ebony is a black volcanic glass-metal quarried around Red Mountain, held to be the crystallised blood of the dead god Lorkhan. It is brutal to work, wanting heat and patience beyond what an ordinary smithy can supply, and what comes out of it is nearly black and reflects almost nothing.","lore":"Ebony armor is the second-finest non-enchanted armor in Tamriel, surpassed only by Daedric. Its divine origin means that every piece carries a trace of Lorkhan's sacrifice, and warriors who wear it sometimes report dreams of a red star falling from the heavens.","notableUses":"High-end armor, weapons, Daedric ritual components","forgeUses":["armor","weapons","ritual components"],"worldbuilding":["divine-origin","volcanic","tamriel","dark"],"tags":["very rare","divine","volcanic","tamriel"]}},{"kind":"metal","id":"daedric_metal","name":"Daedric Metal","url":"https://michaelghelfistudios.com/apps/metals/daedric_metal","embed_url":"https://michaelghelfistudios.com/apps/embed/metal/daedric_metal","category":"fictional_ip","identity":{"names":"Daedric Metal","alternateNames":["Daedra heart alloy","Daedric ore composite"],"source":"The Elder Scrolls series","era":"timeless","fictional":true,"ipLoreQuote":"\"Daedric armor is not merely forged. It is bound. The Daedra inside it did not consent.\""},"physical":{"colorHex":"#1a0000","appearance":"Dark red-black with glowing orange-red cracks visible in the metal, as if still cooling from volcanic heat","luster":"metallic","density":16,"meltingPoint":null,"boilingPoint":null,"magnetism":"non-magnetic","conductivity":"low"},"mechanical":{"mohsHardness":12,"tensileStrength":null,"workability":"impossible","brittleness":"tough","malleability":"none","ductility":"none"},"chemical":{"corrosionResistance":"absolute","reactivity":"none"},"narrative":{"rarity":"legendary","description":"The finest conventional armor material in Tamriel, Daedric metal is created by binding a Daedra's essence into ebony through a ritual process. The trapped spirit strengthens the metal beyond what any mundane forge could achieve, and makes the resulting armor spiritually dangerous to both wearer and foe.","lore":"Smiths who attempt to forge Daedric equipment without sufficient skill or preparation risk the Daedra breaking free during the binding. Several smithing texts document cases where the spirit manifested physically, destroying the workshop and killing everyone present.","notableUses":"Supreme armor, bound weapons, Oblivion gate components","forgeUses":["supreme armor","bound weapons"],"worldbuilding":["spirit-bound","supreme","tamriel","dangerous"],"tags":["legendary","spirit-bound","supreme","tamriel"]}},{"kind":"metal","id":"moonstone_tes","name":"Moonstone (Tamriel)","url":"https://michaelghelfistudios.com/apps/metals/moonstone_tes","embed_url":"https://michaelghelfistudios.com/apps/embed/metal/moonstone_tes","category":"fictional_ip","identity":{"names":"Moonstone (Tamriel)","alternateNames":["Elven moonstone","Altmeri silver"],"source":"The Elder Scrolls series","era":"medieval","fictional":true,"ipLoreQuote":"\"The Altmer do not mine moonstone. They coax it from the earth, as one might request a favor from a spirit.\""},"physical":{"colorHex":"#f0e8d0","appearance":"Pale ivory-gold with a warm inner luminescence, lighter and more graceful looking than steel","luster":"metallic","density":4.5,"meltingPoint":1200,"boilingPoint":2400,"magnetism":"non-magnetic","conductivity":"medium"},"mechanical":{"mohsHardness":7,"tensileStrength":600,"workability":"moderate","brittleness":"moderate","malleability":"high","ductility":"high"},"chemical":{"corrosionResistance":"high","reactivity":"low"},"narrative":{"rarity":"uncommon","description":"The primary metal used in Elven smithing traditions across Tamriel. Moonstone produces the characteristic lightweight golden armor and weapons associated with the Altmer and their cultural descendants. It accepts enchantment readily.","lore":"Altmeri moonstone is said to retain a memory of its origin: the same ore that a master smith uses for a lifetime will gradually attune to their style, producing better results over decades. A smith's tools and a smith's moonstone are considered inseparable in Altmeri tradition.","notableUses":"Elven armor, elven weapons, magical foci, jewelry","forgeUses":["elven armor","elven weapons","magical components"],"worldbuilding":["elven","enchantable","graceful","tamriel"],"tags":["uncommon","elven","enchantable","tamriel"]}},{"kind":"metal","id":"saronite","name":"Saronite","url":"https://michaelghelfistudios.com/apps/metals/saronite","embed_url":"https://michaelghelfistudios.com/apps/embed/metal/saronite","category":"fictional_ip","identity":{"names":"Saronite","alternateNames":["Ore of the Lich King","Blood of Yogg-Saron"],"source":"World of Warcraft","era":"timeless","fictional":true,"ipLoreQuote":"\"Miners who spend too long in the saronite veins start hearing a voice. It doesn't stop when they leave.\""},"physical":{"colorHex":"#1a3a1a","appearance":"Deep dark green-black with veins of sickly pale green, cold and heavy","luster":"metallic","density":10.5,"meltingPoint":1350,"boilingPoint":2600,"magnetism":"non-magnetic","conductivity":"medium"},"mechanical":{"mohsHardness":8,"tensileStrength":720,"workability":"moderate","brittleness":"moderate","malleability":"moderate","ductility":"moderate"},"chemical":{"corrosionResistance":"very high","reactivity":"low","toxicity":"prolonged exposure causes hallucinations and whispered intrusive thoughts"},"narrative":{"rarity":"uncommon","description":"Named for Yogg-Saron, the Old God chained beneath Northrend, and the name is not a metaphor: saronite is the god's blood, risen through the rock and gone solid. It is abundant, it takes an edge, and the Scourge armed itself with it wholesale. Miners work it in shifts, and never alone.","lore":"The Lich King Arthas used saronite extensively to forge the weapons and armor of the Scourge. Smiths who worked it long enough began to hear Yogg-Saron's whispers. Some went mad. Others claimed the voice showed them truths they couldn't unlearn.","notableUses":"Scourge weapons, undead armor, siege equipment","forgeUses":["weapons","armor","siege equipment"],"worldbuilding":["old-god","corrupting","northrend","warcraft"],"tags":["uncommon","corrupting","old-god","warcraft"]}},{"kind":"metal","id":"titansteel","name":"Titansteel","url":"https://michaelghelfistudios.com/apps/metals/titansteel","embed_url":"https://michaelghelfistudios.com/apps/embed/metal/titansteel","category":"fictional_ip","identity":{"names":"Titansteel","alternateNames":["Titan-forged alloy"],"source":"World of Warcraft","era":"timeless","fictional":true,"ipLoreQuote":"\"Titansteel is what happens when you forge saronite in the eye of a lightning storm and pray to Thorim. Most who try, fail. The metal knows the difference.\""},"physical":{"colorHex":"#4060a0","appearance":"Deep blue-silver with crackling electrical patterns visible along the grain","luster":"metallic","density":11,"meltingPoint":1600,"boilingPoint":3000,"magnetism":"ferromagnetic","conductivity":"very high"},"mechanical":{"mohsHardness":10,"tensileStrength":1100,"workability":"difficult","brittleness":"tough","malleability":"moderate","ductility":"moderate"},"chemical":{"corrosionResistance":"very high","reactivity":"very low"},"narrative":{"rarity":"rare","description":"Saronite with the god's taint cooked out of it, which is the whole point and the whole difficulty: the tempering has to be violent enough to break what lives in the ore without destroying the ore itself. What comes out is titan-forged rather than merely smithed, and it does not whisper. It is the only known way to make saronite safe against the skin.","lore":"Only master blacksmiths can forge titansteel, and only in specific conditions. The process requires a Frozen Orb, Crystallized Fire, Crystallized Shadow, and Crystallized Earth, rare components gathered from dangerous locations across Northrend.","notableUses":"Elite weapons, high-end armor, engineering components","forgeUses":["elite weapons","armor","engineering"],"worldbuilding":["titan-forged","purified","northrend","warcraft"],"tags":["rare","titan-forged","electrical","warcraft"]}},{"kind":"metal","id":"gromril","name":"Gromril","url":"https://michaelghelfistudios.com/apps/metals/gromril","embed_url":"https://michaelghelfistudios.com/apps/embed/metal/gromril","category":"fictional_ip","identity":{"names":"Gromril","alternateNames":["Dwarf-iron","True gromril","Sky metal"],"source":"Warhammer Fantasy","era":"medieval","fictional":true,"ipLoreQuote":"\"A Dwarf smith who wastes gromril does not remain a Dwarf smith.\""},"physical":{"colorHex":"#606080","appearance":"Dark blue-grey, almost purple in some lights, unnaturally dense for its volume","luster":"metallic","density":13,"meltingPoint":2800,"boilingPoint":5000,"magnetism":"non-magnetic","conductivity":"medium"},"mechanical":{"mohsHardness":11,"tensileStrength":1400,"workability":"difficult","brittleness":"tough","malleability":"low","ductility":"low"},"chemical":{"corrosionResistance":"very high","reactivity":"very low"},"narrative":{"rarity":"very rare","description":"The finest metal of the Warhammer world, gromril is a meteoric ore found primarily in the Worlds Edge Mountains. Dwarfs guard both their mines and their smithing secrets with extreme jealousy, and non-Dwarfs who possess gromril items are a subject of immediate suspicion.","lore":"Gromril armor is the pinnacle of Dwarf craftsmanship. Ancestor runes can be inscribed into gromril with a permanence impossible in lesser metals. Some ancient gromril pieces have been in continuous use for thousands of years, passed from master to apprentice with the weight of sacred obligation.","notableUses":"Dwarf armor, rune weapons, vault doors, sacred relics","forgeUses":["armor","rune weapons","vault construction"],"worldbuilding":["dwarven","meteoric","rune-receptive","warhammer"],"tags":["very rare","dwarven","meteoric","warhammer"]}},{"kind":"metal","id":"atium","name":"Atium","url":"https://michaelghelfistudios.com/apps/metals/atium","embed_url":"https://michaelghelfistudios.com/apps/embed/metal/atium","category":"fictional_ip","identity":{"names":"Atium","alternateNames":["God Metal of Ruin","Pits metal"],"source":"Mistborn series, by Brandon Sanderson","era":"timeless","fictional":true,"ipLoreQuote":"\"Atium was the most valuable thing in the world. The Lord Ruler used it to control the nobility. The nobility used it to kill each other. Everyone was wrong about what it actually was.\""},"physical":{"colorHex":"#2a1a0a","appearance":"Dark brown-black crystalline beads, irregular in shape, slightly warm to the touch","luster":"dull","density":8,"meltingPoint":900,"boilingPoint":1700,"magnetism":"non-magnetic","conductivity":"low"},"mechanical":{"mohsHardness":5,"tensileStrength":400,"workability":"moderate","brittleness":"moderate","malleability":"low","ductility":"low"},"chemical":{"corrosionResistance":"high","reactivity":"low"},"narrative":{"rarity":"legendary","description":"In the Mistborn books, a god metal. Burned by an Allomancer it shows the next few seconds of everything nearby, every person moving as a shadow one step ahead of themselves. Two people burning atium at once cancel the advantage exactly, and that is the only defence against it. Burning it consumes it, and nobody can make more.","lore":"The Lord Ruler hoarded atium, using scarcity to maintain economic and political control over the nobility. What almost no one knew was that atium was not merely a metal. It was literally a piece of a god, and its true purpose in the cosmology was something far more profound than combat advantage.","notableUses":"Allomantic combat enhancement, economic control, divine ritual","forgeUses":["allomantic use","economic currency"],"worldbuilding":["god-metal","future-sight","mistborn","cosmere"],"tags":["legendary","god-metal","future-sight","mistborn"]}},{"kind":"metal","id":"heartwood_metal","name":"Heartwood Metal","url":"https://michaelghelfistudios.com/apps/metals/heartwood_metal","embed_url":"https://michaelghelfistudios.com/apps/embed/metal/heartwood_metal","category":"fictional_ttrpg","identity":{"names":"Heartwood Metal","alternateNames":["Living metal","Ironwood essence","Sylvan iron"],"source":"Original by MGS","era":"timeless","fictional":true},"physical":{"colorHex":"#4a2800","appearance":"Dark amber-brown with visible wood grain running through it, warm to the touch, occasionally shows slow movement within the grain like sap flowing","luster":"waxy","density":3.2,"meltingPoint":600,"boilingPoint":1100,"magnetism":"non-magnetic","conductivity":"low"},"mechanical":{"mohsHardness":7,"tensileStrength":480,"workability":"moderate","brittleness":"tough","malleability":"moderate","ductility":"high"},"chemical":{"corrosionResistance":"very high","reactivity":"very low"},"narrative":{"rarity":"rare","description":"Found at the petrified cores of ancient world-trees that have stood for ten thousand years or more, heartwood metal forms when divine life-force saturates wood over millennia until the boundary between living matter and metal dissolves entirely. It is simultaneously wood and iron: it grows slowly, heals minor damage and responds to the emotional state of whoever holds it.","lore":"A blade of heartwood metal cannot be used to strike a living tree without shattering. It will also refuse to be used against an innocent creature, and not metaphorically: it physically resists. Smiths who work it describe the sensation as carving something that is still deciding whether to cooperate.","notableUses":"Druidic weapons, nature-bound armor, living tools that maintain themselves","forgeUses":["druidic weapons","nature armor","living tools"],"worldbuilding":["living","druidic","sentient-material","nature"],"tags":["rare","living","druidic","nature"]}},{"kind":"metal","id":"bonesteel","name":"Bonesteel","url":"https://michaelghelfistudios.com/apps/metals/bonesteel","embed_url":"https://michaelghelfistudios.com/apps/embed/metal/bonesteel","category":"fictional_ttrpg","identity":{"names":"Bonesteel","alternateNames":["Ossian metal","Marrow iron","Death-forged steel"],"source":"Original by MGS","era":"medieval","fictional":true},"physical":{"colorHex":"#f5f0e8","appearance":"Ivory white to pale yellow, with a subtle cancellous texture visible on unpolished surfaces, genuinely looking like bone given metallic density","luster":"dull","density":6.5,"meltingPoint":1100,"boilingPoint":2100,"magnetism":"non-magnetic","conductivity":"low"},"mechanical":{"mohsHardness":8,"tensileStrength":700,"workability":"difficult","brittleness":"moderate","malleability":"low","ductility":"low"},"chemical":{"corrosionResistance":"high","reactivity":"low"},"narrative":{"rarity":"rare","description":"Created by collecting the bones of creatures that died of extreme old age, never of violence, and subjecting them to a necromantic smelting process that transmutes calcium and spiritual residue into a true metal. The resulting material retains a memory of every year the original creature lived.","lore":"Bonesteel from a thousand-year-old dragon produces different properties than bonesteel from a century-old sage. Those who carry it long enough begin to share in its memories, starting with the final moments of the creature's life and working backward. Some find it peaceful. Some do not survive the experience.","notableUses":"Necromantic implements, memory-recording vessels, undead-adjacent weapons","forgeUses":["necromantic tools","memory vessels","ritual weapons"],"worldbuilding":["necromantic","memory","death","transmuted"],"tags":["rare","necromantic","memory","death"]}},{"kind":"metal","id":"glassforged","name":"Glassforged","url":"https://michaelghelfistudios.com/apps/metals/glassforged","embed_url":"https://michaelghelfistudios.com/apps/embed/metal/glassforged","category":"fictional_ttrpg","identity":{"names":"Glassforged","alternateNames":["Arcane glass metal","Crystallized spell-steel","Transparent iron"],"source":"Original by MGS","era":"timeless","fictional":true},"physical":{"colorHex":"#a8d8ea","appearance":"Fully transparent to pale blue-tinted, with metallic density and hardness: it looks like glass but rings like steel when struck","luster":"adamantine","density":7.5,"meltingPoint":1650,"boilingPoint":2900,"magnetism":"non-magnetic","conductivity":"medium"},"mechanical":{"mohsHardness":9,"tensileStrength":900,"workability":"difficult","brittleness":"moderate","malleability":"low","ductility":"low"},"chemical":{"corrosionResistance":"very high","reactivity":"very low"},"narrative":{"rarity":"very rare","description":"Produced when molten arcane glass, glass melted from solidified magical energy, is cooled in contact with a ferrous metal under sustained enchantment. The two substances interpenetrate at a molecular level rather than forming a conventional alloy, creating a transparent material with the structural properties of steel.","lore":"A glassforged blade makes no noise when drawn and casts no shadow. Enemies sometimes don't register it as a weapon until the blow lands. More practically, glassforged armor allows the wearer to see through it, eliminating blind spots entirely while providing full protection.","notableUses":"Invisible weapons, transparent armor, magical lenses, scrying frames","forgeUses":["weapons","armor","magical optics"],"worldbuilding":["transparent","invisible","arcane","unique"],"tags":["very rare","transparent","arcane","unique"]}},{"kind":"metal","id":"deepcoral_metal","name":"Deepcoral Metal","url":"https://michaelghelfistudios.com/apps/metals/deepcoral_metal","embed_url":"https://michaelghelfistudios.com/apps/embed/metal/deepcoral_metal","category":"fictional_ttrpg","identity":{"names":"Deepcoral Metal","alternateNames":["Abyssal coral","Pressure-iron","Tidewrought"],"source":"Original by MGS","era":"timeless","fictional":true},"physical":{"colorHex":"#8b0a50","appearance":"Deep crimson-purple with a branching organic texture: it looks grown rather than forged, with visible chamber structures like coral cross-sections","luster":"waxy","density":5.8,"meltingPoint":1800,"boilingPoint":null,"magnetism":"non-magnetic","conductivity":"medium"},"mechanical":{"mohsHardness":8,"tensileStrength":600,"workability":"moderate","brittleness":"tough","malleability":"moderate","ductility":"moderate"},"chemical":{"corrosionResistance":"absolute","reactivity":"none"},"narrative":{"rarity":"rare","description":"Found in the deepest ocean trenches at pressures that would crush ordinary materials, deepcoral metal forms when mineral-saturated water seeps through the skeletons of massive abyssal organisms over millennia, replacing organic matter with a metallic matrix. It is harvested by deep-sea entities as currency.","lore":"Deepcoral metal cannot be submerged without becoming temporarily malleable, since pressure and seawater trigger a molecular relaxation that allows reshaping. Sea-dwelling smiths exploit this to repair deepcoral equipment without furnaces. On land, it is hard as stone and impossible to reshape without exceptional heat.","notableUses":"Aquatic armor, deep-sea tools, merfolk currency and weapons","forgeUses":["aquatic armor","deep-sea tools","aquatic weapons"],"worldbuilding":["aquatic","pressure-responsive","organic-origin","abyssal"],"tags":["rare","aquatic","organic-origin","abyssal"]}},{"kind":"metal","id":"frostcast_iron","name":"Frostcast Iron","url":"https://michaelghelfistudios.com/apps/metals/frostcast_iron","embed_url":"https://michaelghelfistudios.com/apps/embed/metal/frostcast_iron","category":"fictional_ttrpg","identity":{"names":"Frostcast Iron","alternateNames":["Winterbound iron","Glacial steel","Ice-tempered iron"],"source":"Original by MGS","era":"timeless","fictional":true},"physical":{"colorHex":"#c8e8f8","appearance":"Pale blue-white with internal snowflake-like crystalline structures visible through the metal, perpetually cold to the touch, exhales a faint mist in warm environments","luster":"metallic","density":7.2,"meltingPoint":1490,"boilingPoint":2800,"magnetism":"ferromagnetic","conductivity":"high"},"mechanical":{"mohsHardness":8,"tensileStrength":520,"workability":"difficult","brittleness":"brittle","malleability":"low","ductility":"low"},"chemical":{"corrosionResistance":"high","reactivity":"low"},"narrative":{"rarity":"uncommon","description":"Iron that has been quenched not in water or oil but in the concentrated essence of a glacial winter: the breath of a frost giant, the condensed cold of a blizzard sustained for a century, or the tears of a winter deity. The extreme cold restructures the iron's crystalline grain into unique geometric patterns that trap thermal energy.","lore":"A frostcast iron blade pressed against a wound cauterizes it with cold rather than heat, a sensation described as intensely painful but which leaves no scarring. The metal is brittle at room temperature but becomes significantly tougher in freezing conditions. It is a weapon designed for winter warfare.","notableUses":"Winter warfare weapons, cold-region armor, cryomantic ritual tools","forgeUses":["winter weapons","cold armor","ritual tools"],"worldbuilding":["cold","winter","crystalline","brittle-in-warmth"],"tags":["uncommon","cold","winter","crystalline"]}},{"kind":"metal","id":"mirrorplate","name":"Mirrorplate","url":"https://michaelghelfistudios.com/apps/metals/mirrorplate","embed_url":"https://michaelghelfistudios.com/apps/embed/metal/mirrorplate","category":"fictional_ttrpg","identity":{"names":"Mirrorplate","alternateNames":["Perfect reflection metal","Vanity steel","Truth-mirror alloy"],"source":"Original by MGS","era":"timeless","fictional":true},"physical":{"colorHex":"#f8f8f8","appearance":"Perfect mirror finish that cannot be scratched, dulled or distorted, with a reflection more accurate than any manufactured mirror","luster":"adamantine","density":9,"meltingPoint":1900,"boilingPoint":3400,"magnetism":"non-magnetic","conductivity":"very high"},"mechanical":{"mohsHardness":9,"tensileStrength":950,"workability":"difficult","brittleness":"moderate","malleability":"low","ductility":"low"},"chemical":{"corrosionResistance":"absolute","reactivity":"none"},"narrative":{"rarity":"rare","description":"An alloy whose surface achieves and maintains perfect specular reflection regardless of damage, age, or environment. More significantly, mirrorplate reflects not just light but magical effects: illusions cast at a mirrorplate surface are reflected back at their caster. It is the armor of choice against mages.","lore":"Mirrorplate has one profound weakness. It shows everything. A warrior wearing mirrorplate cannot disguise their approach, cannot hide in shadows, and cannot benefit from any concealment. Every reflection reveals their position perfectly. Assassins who wear mirrorplate are either very confident or very foolish.","notableUses":"Anti-mage armor, scrying surfaces, truth-compelling ritual objects","forgeUses":["anti-magic armor","scrying","ritual objects"],"worldbuilding":["reflective","anti-magic","revealing","tactical"],"tags":["rare","reflective","anti-magic","tactical"]}},{"kind":"metal","id":"siltgold","name":"Siltgold","url":"https://michaelghelfistudios.com/apps/metals/siltgold","embed_url":"https://michaelghelfistudios.com/apps/embed/metal/siltgold","category":"fictional_ttrpg","identity":{"names":"Siltgold","alternateNames":["Bog gold","Swamp metal","Mudden ore"],"source":"Original by MGS","era":"timeless","fictional":true},"physical":{"colorHex":"#7a6a30","appearance":"Dull murky gold, heavy and grainy looking, with dark mineral inclusions that give it a muddy appearance. Everything gold is, but tired and sad","luster":"dull","density":17.5,"meltingPoint":1060,"boilingPoint":2850,"magnetism":"non-magnetic","conductivity":"high"},"mechanical":{"mohsHardness":2.5,"tensileStrength":110,"workability":"easy","brittleness":"tough","malleability":"very high","ductility":"high"},"chemical":{"corrosionResistance":"high","reactivity":"low"},"narrative":{"rarity":"uncommon","description":"Gold that has rested in stagnant swamp water for centuries absorbs the tannins, the decomposed organic matter, and the spiritual residue of the marsh. The result is chemically still gold, and it assays as pure, but it feels wrong. Heavier than it should be, duller than it should be, with a persistent smell of wet earth.","lore":"Siltgold is accepted everywhere as currency because it tests as pure gold, and merchants have no grounds to refuse it. But it accumulates in the vaults of the unlucky. Buildings funded with siltgold seem to attract misfortune. Families who inherit it lose it within a generation. It spends perfectly and brings nothing good.","notableUses":"Cursed currency, bog-witch ritual objects, ill-favored dowries","forgeUses":["currency","cursed ritual objects"],"worldbuilding":["cursed","swamp","deceptive","unlucky"],"tags":["uncommon","cursed","swamp","deceptive"]}},{"kind":"metal","id":"veinstone_metal","name":"Veinstone Metal","url":"https://michaelghelfistudios.com/apps/metals/veinstone_metal","embed_url":"https://michaelghelfistudios.com/apps/embed/metal/veinstone_metal","category":"fictional_ttrpg","identity":{"names":"Veinstone Metal","alternateNames":["Bloodmetal","Living ore","Vital metal"],"source":"Original by MGS","era":"timeless","fictional":true},"physical":{"colorHex":"#8b1a1a","appearance":"Deep blood red with pulsing darker veins visible within, warm to the touch, and slightly yielding: it feels more like very hard muscle than metal","luster":"dull","density":8.5,"meltingPoint":1500,"boilingPoint":2800,"magnetism":"non-magnetic","conductivity":"medium"},"mechanical":{"mohsHardness":7,"tensileStrength":750,"workability":"difficult","brittleness":"tough","malleability":"moderate","ductility":"high"},"chemical":{"corrosionResistance":"high","reactivity":"low"},"narrative":{"rarity":"very rare","description":"Extracted from the mineralized circulatory organs of ancient colossi and titan-grade creatures, veinstone metal forms when iron-rich blood repeatedly crystallizes and re-liquefies over centuries within a living body. The extraction process requires the creature to be alive, since dead colossi yield only ordinary iron.","lore":"Weapons made from veinstone metal heal the person holding them, slowly but measurably, pulling vitality from the ambient environment or, in extremis, from nearby living things. A veinstone sword held through a long battle will be draining vegetation within ten feet. In a siege, it drains the garrison.","notableUses":"Life-draining weapons, vitality-anchoring armor, medical implements","forgeUses":["life-draining weapons","vitality armor","medical tools"],"worldbuilding":["life-draining","living","giant-origin","vital"],"tags":["very rare","life-draining","living","giant-origin"]}},{"kind":"metal","id":"korvaire_steel","name":"Korvaire Steel","url":"https://michaelghelfistudios.com/apps/metals/korvaire_steel","embed_url":"https://michaelghelfistudios.com/apps/embed/metal/korvaire_steel","category":"fictional_ttrpg","identity":{"names":"Korvaire Steel","alternateNames":["Khorvaire iron","War-tempered steel","Five Nations alloy"],"source":"Original by MGS","era":"medieval","fictional":true},"physical":{"colorHex":"#4a4040","appearance":"Dark grey with subtle reddish undertones from trace elemental iron compounds, matte finish that seems to absorb light slightly","luster":"metallic","density":8.1,"meltingPoint":1380,"boilingPoint":2750,"magnetism":"ferromagnetic","conductivity":"medium"},"mechanical":{"mohsHardness":7,"tensileStrength":820,"workability":"moderate","brittleness":"tough","malleability":"moderate","ductility":"moderate"},"chemical":{"corrosionResistance":"moderate","reactivity":"low"},"narrative":{"rarity":"uncommon","description":"A battlefield steel developed over centuries of continuous warfare, Korvaire steel is not remarkable for any single property but for its consistency: it never shatters, never loses its edge unexpectedly, and maintains predictable behavior across extreme temperatures. Soldiers trust it because it never surprises them.","lore":"Korvaire steel was developed by smiths who served in armies that fought wars lasting generations. Their metallurgical priority was not perfection but reliability. A sword that performs at 90% in all conditions beats one that performs at 120% in ideal conditions and fails catastrophically when wet, cold, or poorly maintained.","notableUses":"Military weapons, soldier armor, standard-issue equipment","forgeUses":["military weapons","soldier armor","tools"],"worldbuilding":["reliable","military","battlefield","practical"],"tags":["uncommon","reliable","military","practical"]}}],"meta":{"version":"v1","lang":"en","total":88,"limit":50,"offset":0,"license":{"name":"MGS Toolbox open data terms","url":"https://michaelghelfistudios.com/api/v1/docs#terms","attribution":"Data © Michael Ghelfi Studios — https://michaelghelfistudios.com"}},"links":{"self":"https://michaelghelfistudios.com/api/v1/metals","docs":"https://michaelghelfistudios.com/api/v1/docs"}}