Welcome back

or

Mineral - Willyamite

WillyamiteCoSbS
Chemical Properties
Mineral Class
Sulfides and sulfosalts
Toxicity
none
Formula
CoSbS
Unit Cell
Physical Properties
Hardness
5 - 5.5
Streak
Density
Cleavage
Fracture
Tenacity
Optical Properties
Color
Birefringence
Luster
Transparency
Pleochroism
Geomineralogical Properties
Crystal System
Point Group
Space Group
Habit
Formation
Paragenesis
Twinning
Rarity
Synonyms
Willyamite