Mineral - Herbertsmithite
Herbertsmithite
Chemical Properties
Mineral Class
Halides
Toxicity
none
Formula
Cu₃Zn(OH)₆Cl₂
Unit Cell
Physical Properties
Hardness
3 - 3.5
Streak
green
Density
Cleavage
Fracture
Tenacity
Optical Properties
Color
green
Birefringence
Luster
Vitreous
Transparency
Pleochroism
Geomineralogical Properties
Crystal System
trigonal
Point Group
Space Group
Habit
dipyramidal, Rhombohedron
Formation
Oxidationszone von Kupfer-Lagerstätten
Paragenesis
Twinning
Rarity
Rather rare
Synonyms
Herbertsmithite