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Minerals - Simpsonite | TerraCollect
Mineral - Simpsonite
Simpsonite
AlâTaâOââ(OH)
Chemical Properties
Mineral Class
Oxides and Hydrxides
Toxicity
none
Formula
AlâTaâOââ(OH)
Unit Cell
Physical Properties
Hardness
7 - 7.5
Streak
white
Density
Very Heavy (>6)
Optical Properties
Color
brown
yellow
colorless
Birefringence
Luster
Vitreous
Transparency
Pleochroism
Geomineralogical Properties
Crystal System
trigonal
Cleavage
Fracture
Tenacity
Point Group
Space Group
Habit
blocky,
prismatic,
tabular
Formation
Magmatisch, Pegmatit
Paragenesis
Twinning
Rarity
Rare
Synonyms
Simpsonite
