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Analcime

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CR510825

Analcime

Classic Locality

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Description
Locality: 
(Bohemia), Czech Republic
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
7.5 × 6 × 3.4 cm
Description

This is a very old specimen of large analcim crystals in a vug from Bohemia.

Beautiful old specimen with two very nice old labels.

Ex Alex Franz collection.

Mineral Data
What's on the rock

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
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