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Minerals - Kornerupine | TerraCollect
Mineral - Kornerupine
Kornerupine
(Mg,Fe²⁺)Al₄(Mg₃Al₂)[O₄|(OH,O)|Si₂O₇|(Si(Al,B)Si)Σ3O₁₀]
Chemical Properties
Mineral Class
Silicates
Toxicity
none
Formula
(Mg,Fe²⁺)Al₄(Mg₃Al₂)[O₄|(OH,O)|Si₂O₇|(Si(Al,B)Si)Σ3O₁₀]
Unit Cell
Physical Properties
Hardness
6 - 7
Streak
white
Density
Optical Properties
Color
black
brown
yellow
green
blue
colorless
Birefringence
Luster
Vitreous
Transparency
Pleochroism
Geomineralogical Properties
Crystal System
Cleavage
Fracture
Tenacity
orthorhombic
Point Group
Space Group
Habit
granular,
prismatic
Formation
Metamorphose
Paragenesis
Twinning
Rarity
Rarely
Synonyms
Kornerupine
