mineral
Vanadinite
Pb5(VO4)3Cl
AI-generated identification · may be incorrectHardness: 3-4 on Mohs scale; Color: Bright red, orange-red, brown, yellow; Luster: Resinous to adamantine; Crystal Structure: Hexagonal, often forming small prismatic crystals; Cleavage: None distinct; Specific Gravity: 6.8-7.1 (very heavy for its size)
- Hardness
- 3-4 on Mohs scale
- Color
- Bright red, orange-red, brown, yellow
- Luster
- Resinous to adamantine
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Physical properties
Hardness: 3-4 on Mohs scale; Color: Bright red, orange-red, brown, yellow; Luster: Resinous to adamantine; Crystal Structure: Hexagonal, often forming small prismatic crystals; Cleavage: None distinct; Specific Gravity: 6.8-7.1 (very heavy for its size)
Formation & geological history
Formed as a secondary mineral in the oxidation zones of lead-bearing ore deposits, typically in arid climates.
Uses & applications
Primarily mined as a minor source of the element vanadium and highly prized by mineral collectors for its vibrant color and crystal forms.
Geological facts
Vanadinite belongs to the apatite group and contains toxic lead, so hands should be washed after handling raw specimens.
Field identification & locations
Easily identified in the field by its distinct orange-red color, hexagonal crystal habit, and high specific gravity (heavy feel). Commonly found in Morocco, Mexico, Arizona (USA), and Scotland.
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