Mineral - Heterogenite
Heterogenite
Chemical Properties
Mineral Class
Oxides and Hydrxides
Toxicity
none
Formula
Co³⁺O(OH)
Unit Cell
Physical Properties
Hardness
3.5
Streak
blackbrownbrown black
Density
Cleavage
Fracture
Tenacity
Optical Properties
Color
blackbrown
Birefringence
Luster
Metallic,
Earthy
Transparency
Pleochroism
Geomineralogical Properties
Crystal System
hexagonal
Point Group
Space Group
Habit
coarse, crusty, massive, kidney-shaped, grape-shaped
Formation
Sekundär (Oxidation von Smaltin oder Linneit)
Paragenesis
Twinning
Rarity
Rather rare
Synonyms
Heterogenite