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Minerals - Tschermigite | TerraCollect
Mineral - Tschermigite
Tschermigite
NH₄Al[SO₄]₂ · 12H₂O
Chemical Properties
Mineral Class
Sulphates
Toxicity
none
Formula
NH₄Al[SO₄]₂ · 12H₂O
Unit Cell
Physical Properties
Hardness
1.5 - 2
Streak
white
Density
Light (<2)
Optical Properties
Color
white
colorless
Birefringence
Luster
Vitreous,
Silky
Transparency
Pleochroism
Geomineralogical Properties
Crystal System
isometric
Point Group
Cleavage
Fracture
Tenacity
Space Group
Habit
fibrous,
Octahedron
Formation
Resublimation
Paragenesis
Twinning
Rarity
Rarely
Synonyms
Tschermigite
