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Quartz Chalcopyrite & Siderite

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KFT118073

Quartz Chalcopyrite & Siderite

Description Tabs

Description
Locality: 
Cavnic Mine, Maramureș County, Romania
Size Range: 
Cabinet (10-18 cm)
Size: 
12.3 × 11 × 5 cm
Description

Here you see a very special one of beautiful quartz that is covered with tiny siderite and between the quartz you find some chalcopyrite. The quartz shows a very good quality and minor chipping. Thats unusual because most quartz specimen from Romania show many contacts.

Mineral Data
What's on the rock

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Crystal System: 
Trigonal
Hardness: 
7.0
Streak: 
White

Chalcopyrite

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

Siderite

Formula: 
FeCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.5 - 4.5
Streak: 
White