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Selenite Quartz & Pyrite

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MGR603871

Selenite Quartz & Pyrite

Description Tabs

Description
Locality: 
Banská Štiavnica, Banská Štiavnica County, Banská Bystrica Region, Slovakia (Slovak Republic)
Class: 
Crystal Group/Cluster
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.3 × 6 × 4 cm
Largest Crystal: 
4.00cm
Description

The maincrystal is 40mm tall. It raise up vertically in teh center of matrix, which is covred with tiny sharp quartz crystals. Micro crystals of pyrite are scattered all over. A very eye-catching and aesthetic assemble - hard to photograph, much better in person.

Mineral Data
What's on the rock

Selenite

Variety Of: 

Gypsum

Formula: 
CaSO4·2H2O
Strunz: 
7.CD.40
Hardness: 
2.0
Hardness: 
0.0

Quartz

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

Pyrite

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