Mineral - Tacharanite
Tacharanite
Chemical Properties
Mineral Class
Silicates
Toxicity
none
Formula
Ca₁₂Al₂Si₁₈O₃₃ (OH)₃₆
Unit Cell
Physical Properties
Hardness
5
Streak
white
Density
Normal (2-3,5)
Cleavage
Fracture
Tenacity
Optical Properties
Color
white
Birefringence
Luster
Vitreous,
Earthy
Transparency
Pleochroism
Geomineralogical Properties
Crystal System
monoclinic
Point Group
Space Group
Habit
coarse, spherical, massive
Formation
Magmatisch, Vulkanisch
Paragenesis
Twinning
Rarity
Rather rare
Synonyms
Tacharanite