RockVault
Wulfenite

Image: <a href="//commons.wikimedia.org/wiki/User:Archaeodontosaurus" title="User:Archaeodontosaurus">Didier Descouens</a> (CC BY-SA 4.0)

tetragonaluncommonMolybdates

Wulfenite

PbMoO4

This specimen features vibrant orange-yellow, tabular wulfenite crystals, some with a square or rectangular habit, often forming attractive clusters.

Wulfenite Physical Properties

Mohs Hardness

2.5

Crystal System

tetragonal

Luster

resinous

Streak Color

white

Cleavage

distinct on {011}

Fracture

subconchoidal

Specific Gravity

6.5

Colors

yellow, orange, red, brown

Transparency

transparent

Type Locality

Erupción Mine (Ahumada Mine; Erupción-Ahumada Mine), Los Lamentos Mts (Sierra de Los Lamentos), Municipio de Ahumada, Chihuahua, Mexico

Mineral Group

Molybdates

Uses

collector, minor ore of molybdenum

Associated Minerals

calcite

Rarity

uncommon

Geological Context

Wulfenite is a secondary mineral found in the oxidized zones of hydrothermal lead deposits, forming from the alteration of primary lead and molybdenum minerals.