Mineral - Hausmannite
Hausmannite
Chemical Properties
Mineral Class
Oxides and Hydrxides
Toxicity
none
Formula
Mn²⁺Mn³⁺₂O₄
Unit Cell
Physical Properties
Hardness
5 - 5.5
Streak
brown
Density
Cleavage
Fracture
Tenacity
Optical Properties
Color
blackbrown
Birefringence
Luster
Metallic
Transparency
Pleochroism
Geomineralogical Properties
Crystal System
tetragonal
Point Group
Space Group
Habit
massive
Formation
hydrothermal, Metamorphose
Paragenesis
Twinning
Rarity
Rarely
Synonyms
Hausmannite