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Minerals - Carnallite | TerraCollect
Mineral - Carnallite
Carnallite
KMgCl₃·6H₂O
Chemical Properties
Mineral Class
Halides
Toxicity
none
Formula
KMgCl₃·6H₂O
Unit Cell
Physical Properties
Hardness
1 - 2
Streak
white
Density
Light (<2)
Optical Properties
Color
red
blue
colorless
Birefringence
0.030
Luster
Vitreous,
Greasy
Transparency
translucent,
transparent
Pleochroism
Geomineralogical Properties
Crystal System
orthorhombic
Cleavage
Fracture
Tenacity
Point Group
orthorhombic-dipyramidal - 2/m 2/m 2/m
Space Group
Pnna (52)
Habit
granular,
massive,
pyramidal,
tabular
Formation
Evaporite
Paragenesis
Twinning
Rarity
Rarely
Synonyms
Carnallite
