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Wolframite Calcite & Chalcopyrite

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PCZ733846

Wolframite Calcite & Chalcopyrite

Description Tabs

Description
Locality: 
Baia Sprie Mine, Baia Sprie, Maramureș County, Romania
Class: 
Combination
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.3 × 3.2 × 2.8 cm
Description

The main wolframite crystal is sizable  and comes in association with the attractive "sinusoidal" habit of calcite from this find. The crystal faces show an interesting and attractive growth pattern. A nice quality little display.

Matrix: 
Sulphide
Mined: 
Late 1990s
Mineral Data
What's on the rock

Wolframite

Synonym Of: 

Hübnerite

Formula: 
MnWO4
Strunz: 
4.DB.30
Hardness: 
4.0 - 4.5

Ferberite

Formula: 
FeWO4
Strunz: 
4.DB.30
Hardness: 
4.0 - 4.5
Formula: 
(Fe2+)WO4 to (Mn2+)WO4
Crystal System: 
Monoclinic
Hardness: 
4 - 4.5
Colour: 
Greyish-black
Streak: 
Reddish Brown

Calcite

Polymorph of: 
Formula: 
CaCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.0
Streak: 
White

Chalcopyrite

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