Mineral - Selenium
Selenium
Chemical Properties
Mineral Class
Elements
Toxicity
none
Formula
Se
Unit Cell
Physical Properties
Hardness
2
Streak
Density
Cleavage
Fracture
Tenacity
Optical Properties
Color
Birefringence
Luster
Transparency
Pleochroism
Geomineralogical Properties
Crystal System
trigonal
Point Group
Space Group
Habit
Formation
Paragenesis
Twinning
Rarity
Synonyms
Selenium