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Natrolite On Analcime

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GND45536

Natrolite On Analcime

Classic Locality

Description Tabs

Description
Locality: 
Flinders Ranges, South Australia, Australia
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.5 × 5 × 4.8 cm
Description

A large open vugh in basalt displaying delicate sprays of white acicular natrolite on a base of small analcime crystals.

There is an additional smaller cavity at the back displaying more of the same. Sits very well for display purposes.

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

Analcime

Formula: 
Na2(Al2Si4O12)·2H2O
Strunz: 
9.GB.05
Crystal System: 
Triclinic
Hardness: 
5.0 - 5.5
Streak: 
White
Type Locality: 
Cyclopean Islands, Acitrezza (Aci Trezza), Etna Volcanic Complex, Catania Province, Sicily, Italy
Gondwana Minerals