Mineral - Gearksutite
Gearksutite
Chemical Properties
Mineral Class
Halides
Toxicity
none
Formula
Ca[Al(F,OH)₅(H₂O)]
Unit Cell
Physical Properties
Hardness
2
Streak
white
Density
Normal (2-3,5)
Cleavage
Fracture
Tenacity
Optical Properties
Color
white
Birefringence
Luster
Earthy
Transparency
Pleochroism
Geomineralogical Properties
Crystal System
triclinic
Point Group
Space Group
Habit
coarse, spherical, massive
Formation
Sekundär, Metasomatose
Paragenesis
Twinning
Rarity
Rarely
Synonyms
Gearksutite