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Rock Crystal & Prehnite

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MGR767131

Rock Crystal & Prehnite

Description Tabs

Description
Locality: 
Kharan, Baluchistan, Pakistan
Class: 
Crystals on Matrix
Size Range: 
Cabinet (10-18 cm)
Size: 
10.9 × 8.7 × 6.8 cm
Description

The rock crystals are sharp, free-standing and highly lustrous - they are set on pale apple-green prehnite. This is really a very uncommon combination, rare and eye-catching!

Mineral Data
What's on the rock

Rock Crystal

Variety Of: 

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Hardness: 
7.0
Formula: 
Hardness: 
0.0

Prehnite

Formula: 
Ca2Al2Si3O10(OH)2
Strunz: 
9.DP.20
Hardness: 
6.0 - 6.5
Streak: 
White
Type Locality: 
Karoo dolerites, Cradock, Chris Hani District, Eastern Cape Province, South Africa