Mineral - Kermesite
Kermesite
Chemical Properties
Mineral Class
Sulfides and sulfosalts
Toxicity
none
Formula
Sb₂S₂O
Unit Cell
Physical Properties
Hardness
1 - 1.5
Streak
brownredred brown
Density
Cleavage
Fracture
Tenacity
Optical Properties
Color
blackred
Birefringence
Luster
Metallic
Transparency
Pleochroism
Geomineralogical Properties
Crystal System
triclinic
Point Group
Space Group
Habit
acicular, radial
Formation
Verwitterung von Stibnit
Paragenesis
Twinning
Rarity
Very rare
Synonyms
Kermesite