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Natrolite

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RHT771675

Natrolite

ex collection Georg Jasker, Hamburg/ex Thomas, Idar-Oberstein
With Antique Label

Description Tabs

Description
Locality: 
Dolni Zalezly, Ústí nad Labem Region, Czech Republic
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
8.7 × 6 × 3.5 cm
Weight: 
96.00gr
Description

Classic Locality.

Clam-shaped natrolite vug, filled with hundreds of acicular colorless crystals.

Acquired by Jasker or Thomas from a collector from Breslau (Wroclaw) in 1940. Dated at back. Original collector name not complete because of mousebites - maybe Rosenstock?).

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
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