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Minerals - Brenkite | TerraCollect
Mineral - Brenkite
Brenkite
Ca₂(CO₃)F₂
Chemical Properties
Mineral Class
Carbonates
Toxicity
none
Formula
Ca₂(CO₃)F₂
Unit Cell
Physical Properties
Hardness
5
Streak
white
Density
Normal (2-3,5)
Optical Properties
Color
white
colorless
Birefringence
0.068
Luster
Vitreous
Transparency
transparent
Pleochroism
Geomineralogical Properties
Crystal System
orthorhombic
Point Group
Cleavage
Fracture
Tenacity
orthorhombic-dipyramidal - 2/m 2/m 2/m
Space Group
Pbcn (60)
Habit
spherical,
prismatic,
tabular
Formation
Magmatisch, Vulkanisch
Paragenesis
Twinning
Rarity
Rarely
Synonyms
Brenkite