Wulfenite
Real mineral · uncommon · PbMoO₄
Lead molybdate forming thin tabular crystals in the oxidised zones of lead ore deposits. Its orange to yellow colour and high density are distinctive. An important source of molybdenum in some localities.
Identity
- Formula
- PbMoO₄
- Chemical class
- oxide
- Also known as
- Yellow lead ore, Lead molybdate
Crystallography
- Crystal system
- tetragonal
- Habits
- tabular, pyramidal, massive
- Fracture
- subconchoidal
Physical properties
- Mohs hardness
- 3
- Density
- 6.8 g/cm³
- Luster
- adamantine, resinous
- Colors
- orange, yellow, red, gray
- Streak
- white
- Transparency
- transparent, translucent
Geology
- Origins
- sedimentary
- Host rocks
- lead deposits (oxidized zones)
- Associated minerals
- Vanadinite, Mimetite, Galena, Cerussite
- Geography
- USA (Arizona), Morocco, Mexico, Namibia, Austria
Classification
- Rarity
- uncommon
- Gem quality
- No
Browse the Crystal Encyclopedia — MGS Toolbox