Mineral - Calaverite
Calaverite
Chemical Properties
Mineral Class
Sulfides and sulfosalts
Toxicity
low
Formula
AuTe₂
Unit Cell
Physical Properties
Hardness
2.5 - 3
Streak
grayyellowyellow gray
Density
Very Heavy (>6)
Cleavage
Fracture
Tenacity
Optical Properties
Color
goldbronze
Birefringence
Luster
Metallic
Transparency
opaque
Pleochroism
Geomineralogical Properties
Crystal System
monoclinic
Point Group
monoclinic-prismatic - 2/m
Space Group
C2/m (12)
Habit
leafy, prismatic, prismatic
Formation
In hydrothermal ore deposits
Paragenesis
Twinning
Rarity
Very rare
Synonyms
Calaverite