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Quartz Chalcopyrite & Pyrite

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CFL750979

Quartz Chalcopyrite & Pyrite

Description Tabs

Description
Locality: 
Borieva Mine, Madan, Smolyan Oblast, Bulgaria
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
9.5 × 8 × 4 cm
Description

Superb specimen of translucent white quartz crystals, up to 3.5 cm in size, associated with a second generation of tiny quartz crystals and lustrous pyrite and chalcopyrite crystals.  Notice how the secondary minerals have grown on only one side of the larger quartz crystals.

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

Pyrite

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

Seller Information

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