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Minerals - Evansite | TerraCollect
Mineral - Evansite
Evansite
Al₃(PO₄)(OH)₆ · 6H₂O
Chemical Properties
Mineral Class
Phosphates
Toxicity
none
Formula
Al₃(PO₄)(OH)₆ · 6H₂O
Unit Cell
Physical Properties
Hardness
3.5 - 4
Streak
white
Density
Light (<2)
Optical Properties
Color
white
yellow
green
blue
colorless
Birefringence
Luster
Vitreous,
Waxy
Transparency
Pleochroism
Geomineralogical Properties
Crystal System
Cleavage
Fracture
Tenacity
amorphous
Point Group
Space Group
Habit
crusty,
spherical,
kidney-shaped,
spherulitic,
grape-shaped
Formation
Metamorphose, Verwitterung aus Guano (Sekundär)
Paragenesis
Twinning
Rarity
Rather rare
Synonyms
Evansite
