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Mineral - Cornubite

CornubiteCu₅(AsO₄)₂(OH)₄
Chemical Properties
Mineral Class
Arsenates
Toxicity
middle
Formula
Cu₅(AsO₄)₂(OH)₄
Unit Cell
Physical Properties
Hardness
4
Streak
green
Density
Cleavage
Fracture
Tenacity
Optical Properties
Color
green
Birefringence
Luster
Vitreous,
Greasy,
Waxy
Transparency
Pleochroism
Geomineralogical Properties
Crystal System
triclinic
Point Group
Space Group
Habit
crusty, spherical, massive, grape-shaped
Formation
Oxidationszone von Kupferlagerstätten
Paragenesis
Twinning
Rarity
Rather rare
Synonyms
Cornubite