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Minerals - Sekaninaite | TerraCollect
Mineral - Sekaninaite
Sekaninaite
(Fe,Mg)₂Al₃(AlSi₅O₁₈)
Chemical Properties
Mineral Class
Silicates
Toxicity
none
Formula
(Fe,Mg)₂Al₃(AlSi₅O₁₈)
Unit Cell
Physical Properties
Hardness
7.5
Streak
white
Density
Normal (2-3,5)
Optical Properties
Color
brown
gray
blue
violet
Birefringence
Luster
Vitreous
Transparency
Pleochroism
Geomineralogical Properties
Crystal System
orthorhombic
Cleavage
Fracture
Tenacity
Point Group
Space Group
Habit
leafy,
coarse,
massive,
prismatic,
tabular
Formation
Magmatisch, Metamorphose
Paragenesis
Twinning
Rarity
Rarely
Synonyms
Sekaninaite
