Mineral - Breithauptite
Breithauptite
Chemical Properties
Mineral Class
Sulfides and sulfosalts
Toxicity
none
Formula
NiSb
Unit Cell
Physical Properties
Hardness
5.5
Streak
brownredred brown
Density
Very Heavy (>6)
Cleavage
Fracture
Tenacity
Optical Properties
Color
redviolet
Birefringence
Luster
Metallic
Transparency
opaque
Pleochroism
Geomineralogical Properties
Crystal System
hexagonal
Point Group
dihexagonal-dipyramidal - 6/m 2/m 2/m
Space Group
P6 3 /mmc (194)
Habit
dendritic, crusty, massive
Formation
In hydrothermal ore deposits
Paragenesis
Twinning
Rarity
Rarely
Synonyms
Breithauptite
Groups and Members
Nickeline-Group