Mineral - Christite
Christite
Chemical Properties
Mineral Class
Sulfides and sulfosalts
Toxicity
high
Formula
TlHgAsS₃
Unit Cell
Physical Properties
Hardness
1 - 2
Streak
orangeyellow
Density
Very Heavy (>6)
Cleavage
Fracture
Tenacity
Optical Properties
Color
blackred black
Birefringence
Luster
Metallic,
Adamantine
Transparency
opaque
Pleochroism
Geomineralogical Properties
Crystal System
monoclinic
Point Group
monoclinic-prismatic - 2/m
Space Group
P2 1 /c (14)
Habit
prismatic, tabular
Formation
In hydrothermal vein deposits
Paragenesis
Twinning
Rarity
Very rare
Synonyms
Christite