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Minerals - Köttigite | TerraCollect
Mineral - Köttigite
Köttigite
Zn₃(AsO₄)₂ · 8H₂O
Chemical Properties
Mineral Class
Arsenates
Toxicity
middle
Formula
Zn₃(AsO₄)₂ · 8H₂O
Unit Cell
Physical Properties
Hardness
2 - 3
Streak
white
Density
Normal (2-3,5)
Optical Properties
Color
white
brown
gray
green
colorless
Birefringence
Luster
Greasy,
Waxy
Transparency
Pleochroism
Geomineralogical Properties
Crystal System
Cleavage
Fracture
Tenacity
monoclinic
Point Group
Space Group
Habit
tufty,
coarse,
fibrous,
massive,
acicular,
prismatic,
radial
Formation
Sekundär (Aus Skutterudit und Sphalerit), Oxidationszone von Zink-Lagerstätten
Paragenesis
Twinning
Rarity
Rarely
Synonyms
Köttigite
