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Natrolite

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GFM1003448

Natrolite

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Description Tabs

Description
Locality: 
Habach Valley, Zell am See District, Salzburg, Austria
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.5 × 3 × 1.7 cm
Description

White needle crystals of 1,5 cm, very rich on dark Basalt matrix. Old specimens with historic labels.

Mineral Data
What's on the rock

Natrolite

Formula: 
Na2Al2Si3O10·2H2O
Strunz: 
9.GA.05
Hardness: 
5.0 - 5.5
Streak: 
White
Type Locality: 
Hohentwiel, Singen, Hegau, Baden-Württemberg, Germany