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Minerals - Botallackite | TerraCollect
Mineral - Botallackite
Botallackite
Cu₂(OH)₃Cl
Chemical Properties
Mineral Class
Halides
Toxicity
none
Formula
Cu₂(OH)₃Cl
Unit Cell
Physical Properties
Hardness
4.5
Streak
white
green
green white
Density
Optical Properties
Color
green
Birefringence
0.071
Luster
Vitreous,
Pearly
Transparency
translucent,
transparent
Pleochroism
Geomineralogical Properties
Crystal System
monoclinic
Point Group
Groups and Members
Atacamite-Group
Normal (2-3,5)
Cleavage
Fracture
Tenacity
monoclinic-prismatic - 2/m
Space Group
P2
1
/m (11)
Habit
acicular
Formation
Oxidation zone of copper deposits (which contain chlorine or had chlorine added by seawater)
Paragenesis
Twinning
Rarity
Rarely
Synonyms
Botallackite
