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Natrolite

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NST658239

Natrolite

Dr. Ing. H. Maucher, Munich
With Antique Label

Description Tabs

Description
Locality: 
Mariánská Skála, Ústí nad Labem District, Ústí nad Labem Region, Czech Republic
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
8 × 4.5 × 3.9 cm
Description

Early 20th century example of reddish to white Natrolite in semispheric agregates on green phonolitic matrix. Comes with a handwritten label of Dr. Ing. H. Maucher, Munich.

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