mineral
Vanadinite
Lead Chlorovanadate, Pb5(VO4)3Cl
AI-generated identification · may be incorrectHardness: 3.5-4; Color: Bright red, orange-red, brownish-red, or yellow; Luster: Adamantine to resinous; Crystal Structure: Hexagonal (short hexagonal prisms); Cleavage: None; Specific Gravity: 6.6-7.2 (notably heavy)
- Hardness
- 3
- Color
- Bright red, orange-red, brownish-red, or yellow
- Luster
- Adamantine to resinous
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Physical properties
Hardness: 3.5-4; Color: Bright red, orange-red, brownish-red, or yellow; Luster: Adamantine to resinous; Crystal Structure: Hexagonal (short hexagonal prisms); Cleavage: None; Specific Gravity: 6.6-7.2 (notably heavy)
Formation & geological history
Formed as a secondary mineral in the oxidized zone of lead-bearing deposits. Lead minerals are altered by vanadium-bearing solutions, typically sourced from the surrounding wall rocks or the oxidation of other vanadium minerals.
Uses & applications
Primarily sought by mineral collectors for its vibrant color and crystal shape. Historically used as a minor source of vanadium and lead for industrial alloys and chemical processes.
Geological facts
Vanadinite is a member of the apatite group. It is one of the main industrial ores of vanadium, which is used to strengthen steel. High-quality specimens are most famously sourced from Mibladen, Morocco.
Field identification & locations
Identify in the field by its distinct hexagonal 'barrel-shaped' crystal habit, high density (feels much heavier than it looks), and resinous orange-to-red color. Often found associated with galena, barite, and wulfenite.
