Coloradoite
ID: 36
Coloradoite
Chemical Formula
HgTe
Hardness (Mohs)
2.5 - 3
Crystal System
Isometric
Streak
Black
Luster
Metallic to submetallic
Diaphaneity
Opaque
Color
Iron-black to grayish-black
Crystal Habit / Mode of Occurrence
Isometric - Hextetrahedral; commonly massive, granular; rarely small crystals.
Fun Facts
Coloradoite is a rare telluride mineral, primarily found in gold-telluride deposits, often associated with gold, making it an indicator for gold mineralization. Common Uses: Minor ore of tellurium and mercury; collector's mineral.