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Chalcopyrite & Sphalerite Var Marmatite

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Chalcopyrite & Sphalerite Var Marmatite

Description Tabs

Description
Locality: 
Cavnic Mine, Maramureș County, Romania
Class: 
Crystal Group/Cluster
Size Range: 
Small cabinet (7-10 cm)
Size: 
9 × 4.5 × 4 cm
Description

Romanian sulfide specimen with well-developed chalcopyrite crystals showing magnificient, rainbow iridescence, backgrounded by tetrahedral crystals of sphalerite in the black, iron-rich variety marmatite. Quartz crystals and white calcite give a great contrast and let the chalcopyrite glow even more.

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Mineral Data
What's on the rock

Chalcopyrite

Formula: 
CuFeS2
Strunz: 
2.CB.10a
Crystal System: 
Tetragonal
Hardness: 
3.5 - 4.0

Sphalerite

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

Marmatite

Variety Of: 

Sphalerite

Formula: 
ZnS
Strunz: 
2.CB.05a
Hardness: 
3.5 - 4.0
Formula: 
(Zn,Fe)S
Hardness: 
0.0
Colour: 
Black
Video

Sphalerite, Chalcopyrite, Quartz Romania

Seller Information

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