Mineral - Stichtite
Stichtite
Chemical Properties
Mineral Class
Carbonates
Toxicity
none
Formula
Mg₆Cr³⁺₂(OH)₁₆[CO₃] · 4H₂O
Unit Cell
Physical Properties
Hardness
1.5 - 2
Streak
whitevioletviolet white
Density
Normal (2-3,5)
Cleavage
Fracture
Tenacity
Optical Properties
Color
pinkviolet
Birefringence
Luster
Pearly,
Waxy
Transparency
Pleochroism
Geomineralogical Properties
Crystal System
trigonal
Point Group
Space Group
Habit
coarse, massive
Formation
Verwitterungsprodukt von Chromit
Paragenesis
Twinning
Rarity
Rather rare
Synonyms
Stichtite