mineral

Vanadinite

Pb5(VO4)3Cl

Hardness: 3-4 on Mohs scale. Color: Bright red, brownish-red, orange, yellow-brown. Luster: Resinous to adamantine. Crystal structure: Hexagonal, often forming distinct small prismatic crystals or globular clusters. Cleavage: None distinct. Specific gravity: 6.88-7.29.

Hardness: 3-4 on Mohs scale
Color: Bright red, brownish-red, orange, yellow-brown
Luster: Resinous to adamantine

Identified July 31, 2026More mineral →

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Physical properties

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

Primarily sought after by mineral collectors for its striking color and crystal forms; it is also a minor ore of the metal vanadium.

Geological facts

Vanadinite belongs to the apatite group of phosphates and arsenates, and its high specific gravity gives it a noticeably heavy feel for its size.

Field identification & locations

Easily identified by its distinctive hexagonal barrel-shaped or prismatic crystals, bright red-to-brownish color, and association with lead deposits. Famous localities include Mibladen, Morocco, and various mines in Arizona, USA.