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Prehnite

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SYA942398

Prehnite

Classic Locality

Description Tabs

Description
Locality: 
Bärenstein Quarry, Radau Valley, Goslar, Lower Saxony, Germany
Class: 
Crystal Group/Cluster
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.5 × 4 × 2.5 cm
Description

A cluster of light green prehnite crystals without matrix.

Goodold-time prehnite specimen from this Harz Mountain´s localty.

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

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