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Pentlandite In Pyrrhotite

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PDM599167

Pentlandite In Pyrrhotite

Classic Locality

Description Tabs

Description
Locality: 
Sudbury District, Ontario, Canada
Class: 
Massive/Crystalline
Size Range: 
Thumbnail (1-3cm)
Size: 
2.7 × 1.5 × 0.6 cm
Description

Lustrous black metallic pentlandite patches in a matrix of brassy pyrrhotite and golden chalcopyrite ore, from the famous Sudbury District of Ontario, Canada.

Ex. A. Gelders specimen, #423.

Mineral Data
What's on the rock

Pentlandite

Formula: 
(Fe,Ni)9S8
Strunz: 
2.BB.15
Crystal System: 
Isometric
Hardness: 
3.5 - 4.0
Type Locality: 
Craignure Mine, Inveraray, Strathclyde (Argyllshire), Scotland, UK

Pyrrhotite

Formula: 
Fe1-xS (x = 0 to 0.17)
Strunz: 
2.CC.10
Crystal System: 
Monoclinic
Hardness: 
3.5 - 4.0

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