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Marcasite Psm Pyrrhotite & Mica

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RHT729969

Marcasite Psm Pyrrhotite & Mica

Pseudomorph

Description Tabs

Description
Locality: 
Nikolayevskiy Mine, Dalnegorsk, Primorskiy Kray, Russian Federation
Class: 
Combination
Size Range: 
Miniature (4.5-7 cm)
Size: 
5 × 4.1 × 1.3 cm
Weight: 
54.00gr
Description

A big pyrrhotite crystal, replaced by marcasite, with some mica crystals (muscovite or phlogopite) attached.

Mineral Data
What's on the rock

Marcasite

Formula: 
FeS2
Strunz: 
2.EB.10a
Crystal System: 
Orthorhombic
Hardness: 
6.0 - 6.5

Pyrrhotite

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

Mica

Group Parent: 
Mica Group