Pentlandite

Name:
Pentlandite
Detailed information:

M Formula:	(Fe,Ni)S
Properties:
Light-bronze-yellow mineral, metallic luster, contains 35.57% nickel. Soluble in nitric acid, d 4.6–5, Mohs hardness 3.5–4.
Occurrence:
Canada (Ontario), Norway.
Use:
Nickel ore.