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Minerals - Shigaite | TerraCollect
Mineral - Shigaite
Shigaite
Mn₆Al₃(OH)₁₈[Na(H₂O)₆](SO₄)₂ · 6H₂O
Chemical Properties
Mineral Class
Sulphates
Toxicity
none
Formula
Mn₆Al₃(OH)₁₈[Na(H₂O)₆](SO₄)₂ · 6H₂O
Unit Cell
Physical Properties
Hardness
2
Streak
white
yellow
yellow white
Optical Properties
Color
brown
orange
yellow
Birefringence
Luster
Vitreous
Transparency
Pleochroism
Geomineralogical Properties
Crystal System
trigonal
Density
Normal (2-3,5)
Cleavage
Fracture
Tenacity
Point Group
Space Group
Habit
leafy,
rosette,
tabular
Formation
Metamorphose
Paragenesis
Twinning
Rarity
Rarely
Synonyms
Shigaite
