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Mineral - Dickite

DickiteAl₂(Si₂O₅)(OH)₄
Chemical Properties
Mineral Class
Silicates
Toxicity
none
Formula
Al₂(Si₂O₅)(OH)₄
Unit Cell
Physical Properties
Hardness
2 - 2.5
Streak
white
Density
Normal (2-3,5)
Cleavage
Fracture
Tenacity
Optical Properties
Color
whitecolorless
Birefringence
Luster
Vitreous,
Waxy
Transparency
Pleochroism
Geomineralogical Properties
Crystal System
monoclinic
Point Group
Space Group
Habit
crusty, tabular
Formation
hydrothermal, Sedimentär
Paragenesis
Twinning
Rarity
Rarely
Synonyms
Dickite