mineral
Vanadinite
Pb5(VO4)3Cl
AI-generated identification · may be incorrectHardness: 3-4 on the Mohs scale; Color: Bright red, orange-red, brownish-red, yellow; Luster: Resinous to adamantine; Crystal Structure: Hexagonal, often forming distinct prismatic crystals or globular clusters; Cleavage: None distinct; Specific Gravity: 6.8-7.1
- Hardness
- 3-4 on the Mohs scale
- Color
- Bright red, orange-red, brownish-red, yellow
- Luster
- Resinous to adamantine
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Physical properties
Hardness: 3-4 on the Mohs scale; Color: Bright red, orange-red, brownish-red, yellow; Luster: Resinous to adamantine; Crystal Structure: Hexagonal, often forming distinct prismatic crystals or globular clusters; Cleavage: None distinct; Specific Gravity: 6.8-7.1
Formation & geological history
Forms as a secondary mineral in the oxidized zones of lead ore deposits, typically through the alteration of primary lead minerals like galena in arid climates.
Uses & applications
Primary source of the metal vanadium, used in specialty steel alloys; highly sought after by mineral collectors for its vibrant color and distinct crystal habit.
Geological facts
Vanadinite belongs to the apatite group of phosphates and arsenates, though it is a vanadate. Because of its high lead content, it is very dense and should be handled with care.
Field identification & locations
Easily identified by its striking reddish-orange color, hexagonal crystal shape, and high density. Commonly found in Mibladen, Morocco, and various localities in the American Southwest.
