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Natrolite

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CR639263

Natrolite

Classic Locality

Description Tabs

Description
Locality: 
Nave, Monchique, Faro District, Portugal
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
7.5 × 6 × 4.5 cm
Description

A very good specimen of sharp natrolite crystals up to 23 mm covered with gonnardite on matrix.

Rare specimen - collected 2004

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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