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Prehnite

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CR664699

Prehnite

Description Tabs

Description
Locality: 
Copper Valley, Goboboseb Mountains, Brandberg, Dâures, Erongo Region, Namibia
Class: 
Crystal Group/Cluster
Size Range: 
Small cabinet (7-10 cm)
Size: 
8 × 4 × 2.3 cm
Description

This is a very good and interesting prehnite specimen from Brandberg area.

Pale green and large prehnite crystal cluster from Wolfgang Schneider collection.

 

Mineral Data
What's on the rock

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