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Quartz Calcite Pyrite & Sphalerite

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MGR933301

Quartz Calcite Pyrite & Sphalerite

Description Tabs

Description
Locality: 
Baia Sprie Mine, Baia Sprie, Maramureș County, Romania
Class: 
Combination
Size Range: 
Museum (18cm plus)
Size: 
18.3 × 13.6 × 7.2 cm
Description

Remarkable combination from Romania. It features several well developed and lustrous quartz crystals forming a fine cluster. Accompanied with calcite pyrite and sphalerite crystals inbetween makes this example a really eye-catcky piece. It is also in really good condition.

Mineral Data
What's on the rock

Quartz

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

Calcite

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