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Natrolite

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CR510862

Natrolite

Collected 1893 !
With Antique Label

Description Tabs

Description
Locality: 
Dolni Zalezly, Ústí nad Labem Region, Czech Republic
Class: 
Crystals on Matrix
Size Range: 
Cabinet (10-18 cm)
Size: 
11 × 5.5 × 8 cm
Description

This is a fantastic and absolutely outstanding old time specimen of natrolite covering a large vug.

Sharp and gemmy, well terminated natrolite crystals up to almost 1 cm.

Excellent specimen - collected 1893 (!) with two beautiful old labels.

Ex Alex Franz collection.

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
Labels
Label Images - only: Natrolite
Label Images - only: Natrolite
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