Mineral - Fornacite
Fornacite
Chemical Properties
Mineral Class
Chromates
Toxicity
middle
Formula
Pb₂Cu(CrO₄)(AsO₄)(OH)
Unit Cell
Physical Properties
Hardness
2 - 3
Streak
green
Density
Very Heavy (>6)
Cleavage
Fracture
Tenacity
Optical Properties
Color
yellowgreen
Birefringence
Luster
Greasy,
Resinous,
Waxy
Transparency
Pleochroism
Geomineralogical Properties
Crystal System
monoclinic
Point Group
Space Group
Habit
coarse, crusty, massive, pyramidal
Formation
Oxidationszone von Metall-Lagerstätten
Paragenesis
Twinning
Rarity
Very rare
Synonyms
Fornacite