Mineral - Pentlandite
Pentlandite
Chemical Properties
Mineral Class
Sulfides and sulfosalts
Toxicity
none
Formula
(Fe,Ni)₉S₈
Unit Cell
Physical Properties
Hardness
3.5 - 4
Streak
blackbrownbrown black
Density
Cleavage
Fracture
Tenacity
Optical Properties
Color
brownbronze
Birefringence
Luster
Metallic
Transparency
Pleochroism
Geomineralogical Properties
Crystal System
isometric
Point Group
Space Group
Habit
granular, massive
Formation
Magmatisch
Paragenesis
Twinning
Rarity
Rather rare
Synonyms
Pentlandite