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Calcite & Pyrite On Dolomite On Citrine

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RHT639208

Calcite & Pyrite On Dolomite On Citrine

Classic Locality

Description Tabs

Description
Locality: 
Kara Oba, Karaganda Oblast, Kazakhstan
Class: 
Combination
Size Range: 
Small cabinet (7-10 cm)
Size: 
9.5 × 5 × 3.3 cm
Weight: 
192.00gr
Description

Very tiny pyrite and pale beige, translucent calcite on creamy dolomite on smoky gray, a bit greenish, 'smoky' citrine crystals.

Mineral Data
What's on the rock

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

Dolomite

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

Citrine

Variety Of: 

Quartz

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