Wulfenite
ID: 103
Wulfenite
Chemical Formula
PbMoO₄
Hardness (Mohs)
2.5–3
Crystal System
Tetragonal
Streak
White
Luster
Adamantine to resinous
Diaphaneity
Transparent to Translucent
Color
Orange, yellow, red, brown
Crystal Habit / Mode of Occurrence
Tabular, thin plate-like crystals
Density
6.5–7.5
Fun Facts
Wulfenite is a secondary lead molybdate mineral often found in the oxidized zones of lead deposits. Wulfenite was approved as the official state mineral of Arizona in 2017. It belongs to the Scheelite Group and is brittle.