Mineral - Geocronite
Geocronite
Chemical Properties
Mineral Class
Sulfides and sulfosalts
Toxicity
middle
Formula
Pb₁₄(Sb,As)₆S₂₃
Unit Cell
Physical Properties
Hardness
2.5 - 3
Streak
gray
Density
Very Heavy (>6)
Cleavage
Fracture
Tenacity
Optical Properties
Color
blackgray
Birefringence
Luster
Metallic
Transparency
Pleochroism
Geomineralogical Properties
Crystal System
monoclinic
Point Group
Space Group
Habit
coarse, massive, tabular
Formation
hydrothermal
Paragenesis
Twinning
Rarity
Rarely
Synonyms
Geocronite