Mineralpedia Details for Pentlandite
Pentlandite
- Formula
- (Ni,Fe)9S8
- Crystal System
- Isometric
- Crystal Habit
- Massive - Granular, Granular, Granular
- Cleavage
- Parting, None, None
- Luster
- Metallic
- Color
- bronze, brown
- Streak
- greenish black
- Class
- Isometric - Hexoctahedral
- Fracture
- Conchoidal
- Hardness
- 3.5-4
- WebMineral
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Pentlandite from Oktyabrskiy mine, Talhakh, Noril'sk, Siberia, Russia
Flashy, bronzy cleaved crystals in Chalcopyrite-Pyrite matrix. The crystal grains are 5-7mm. Rich specimen. A Fersman Mineralogical Museum, Moscow, Russia tag with the specimen see prov tab.
Click thumbnail images for larger view.
