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Minerals - Gehlenite | TerraCollect
Mineral - Gehlenite
Gehlenite
Ca₂Al[4][AlSiO₇]
Chemical Properties
Mineral Class
Silicates
Toxicity
none
Formula
Ca₂Al[4][AlSiO₇]
Unit Cell
Physical Properties
Hardness
5 - 6
Streak
white
Density
Normal (2-3,5)
Optical Properties
Color
white
brown
yellow
Birefringence
Luster
Vitreous,
Greasy
Transparency
Pleochroism
Geomineralogical Properties
Crystal System
tetragonal
Cleavage
Fracture
Tenacity
Point Group
Space Group
Habit
prismatic,
tabular
Formation
Metamorphose, Magmatisch
Paragenesis
Twinning
Rarity
Rarely
Synonyms
Gehlenite
