Mineral - Kutnohorite
Kutnohorite
Chemical Properties
Mineral Class
Carbonates
Toxicity
none
Formula
CaMn[CO₃]₂
Unit Cell
Physical Properties
Hardness
3.5 - 4
Streak
white
Density
Normal (2-3,5)
Cleavage
Fracture
Tenacity
Optical Properties
Color
whitegraypink
Birefringence
Luster
Vitreous
Transparency
Pleochroism
Geomineralogical Properties
Crystal System
trigonal
Point Group
Space Group
Habit
fibrous, spherical, radial
Formation
hydrothermal, Metamorphose
Paragenesis
Twinning
Rarity
Rather rare
Synonyms
Kutnohorite