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Prehnite

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CR534308

Prehnite

Classic Locality

Description Tabs

Description
Locality: 
Radau, Bad Harzburg, Goslar, Lower Saxony, Germany
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
8.5 × 6.5 × 4 cm
Description

This is a very good and very old prehnite specimen from Harz montains.

A pristine specimen of large sharp and pale green prehnite crystals on matrix.

Specimen was collected in 1904 and comes with three beautiful old labels.

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
Labels
Label Images - only: Prehnite
Label Images - only: Prehnite