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Minerals - Gibbsite | TerraCollect
Mineral - Gibbsite
Gibbsite
Al(OH)₃
Chemical Properties
Mineral Class
Oxides and Hydrxides
Toxicity
none
Formula
Al(OH)₃
Unit Cell
Physical Properties
Hardness
2.5 - 3.5
Streak
white
Density
Normal (2-3,5)
Optical Properties
Color
green
blue
colorless
Birefringence
Luster
Vitreous,
Pearly
Transparency
Pleochroism
Geomineralogical Properties
Crystal System
monoclinic
Cleavage
Fracture
Tenacity
Point Group
Space Group
Habit
leafy,
tabular,
grape-shaped
Formation
Oxidationszone von Aluminium-Lagerstätten, Metamorphose
Paragenesis
Twinning
Rarity
Common
Synonyms
Gibbsite
