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Quartz & Calcite

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ESM653143

Quartz & Calcite

Description Tabs

Description
Locality: 
Boldut Mine, Cavnic, Romania
Class: 
Combination
Size Range: 
Cabinet (10-18 cm)
Size: 
8 × 17.5 × 14 cm
Description

White calcite crystals covering lustrous clear quartz crystals (repaired)

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
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