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Quartz Dolomite Pyrite & Sphalerite

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CLB517818

Quartz Dolomite Pyrite & Sphalerite

ex collection Stephan Bathen
Classic Locality

Description Tabs

Description
Locality: 
Guipúzcoa, Basque Country, Spain
Class: 
Combination
Size Range: 
Cabinet (10-18 cm)
Size: 
13.6 × 10.2 × 4.8 cm
Description

Very unusual specimen from a classic Spanish locality, previously not offered at e-rocks. Ivory-colored dolomite on pale green quartz crystals (probably colored by celadonite inclusions) with a few golden-brassy pyrite and some little black sphalerite crystals. 

Mineral Data
What's on the rock

Quartz

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

Dolomite

Formula: 
CaMg(CO3)2
Strunz: 
5.AB.10
Crystal System: 
Trigonal - Rhombohedral
Hardness: 
3.5 - 4.0
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

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