Gold
Real mineral · rare · Au
Native metal resistant to oxidation and most acids. Deposits form in hydrothermal quartz veins or by concentration in alluvial gravels. Malleable enough to be hammered into sheets thinner than a micrometre.
Identity
- Formula
- Au
- Chemical class
- native_element
- Mineral group
- Copper, Silver
- Also known as
- Native gold, Electrum (gold-silver alloy)
Crystallography
- Crystal system
- cubic
- Habits
- massive, granular, dendritic, octahedral
- Fracture
- hackly
Physical properties
- Mohs hardness
- 2.5
- Density
- 19.3 g/cm³
- Luster
- metallic
- Colors
- metallic yellow, orange-yellow
- Streak
- metallic yellow
- Transparency
- opaque
Geology
- Origins
- hydrothermal, sedimentary, igneous
- Host rocks
- quartz veins, alluvial gravels
- Associated minerals
- Quartz, Pyrite, Chalcopyrite, Silver
- Geography
- South Africa, Australia, Russia, USA, Canada
Classification
- Rarity
- rare
- Gem quality
- No
Arcane properties
- Affinity
- light, life
- Effects
- healing, warding
- Planar origin
- Material Plane
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