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Dolomite Pyrite & Sphalerite On Galena

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CLB624490

Dolomite Pyrite & Sphalerite On Galena

ex collection Dr. M. Seitz
Classic Locality

Description Tabs

Description
Locality: 
Cavnic Mine, Maramureș County, Romania
Class: 
Combination
Size Range: 
Small cabinet (7-10 cm)
Size: 
7.4 × 5.5 × 5.5 cm
Weight: 
502.00gr
Description

A very complex specimen with weird 'excentriques' - I guess those are rather dolomite than aragonite (orig. label). Some tiny pyrite crystals sprinkled on the excedntriques and on some platy galena crystals. Add some dark glossy sphalerite.

Comes with an acrylic base (weight includes base).

Mineral Data
What's on the rock

Dolomite

Formula: 
CaMg(CO3)2
Strunz: 
5.AB.10
Crystal System: 
Trigonal - Rhombohedral
Hardness: 
3.5 - 4.0
Streak: 
White

Pyrite

Formula: 
FeS2
Strunz: 
2.EB.05a
Crystal System: 
Isometric
Hardness: 
6.0 - 6.5

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

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