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Quartz & Calcite

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RAF107365

Quartz & Calcite

Description Tabs

Description
Locality: 
Witbank, Orange River, Northern Cape Province, South Africa
Size Range: 
Cabinet (10-18 cm)
Size: 
12.2 × 9.7 × 6.5 cm
Largest Crystal: 
2.80cm
Description

A very fine specimen of quartz and calcite crystals that came out from Witbank on the Orange River.
A very fine hand size specimen. Nice...

Weight: 868 gr

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