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Pyrrhotite Sphalerite & Galena

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ESM693318

Pyrrhotite Sphalerite & Galena

Description Tabs

Description
Locality: 
Dalnegorsk, Primorskiy Kray, Russian Federation
Class: 
Combination
Size Range: 
Miniature (4.5-7 cm)
Size: 
3.4 × 5 × 3 cm
Description

Brassy pyrrhotite crystals with black sphalerite crystals and minor galena

Mineral Data
What's on the rock

Pyrrhotite

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

Sphalerite

Formula: 
ZnS
Strunz: 
2.CB.05a
Crystal System: 
Isometric
Hardness: 
3.5 - 4.0

Galena

Formula: 
PbS
Strunz: 
2.CD.10
Crystal System: 
Isometric
Hardness: 
2.5
Colour: 
Lead-grey
Streak: 
Lead-grey