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Analcime

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RAF545387

Analcime

Gem Crystal

Description Tabs

Description
Locality: 
Brandberg, Dâures, Erongo Region, Namibia
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
1.5 × 4.5 × 6 cm
Largest Crystal: 
1.70cm
Weight: 
22.00gr
Description

Analcime and Prehnite specimen from Brandberg, Namibia.  Its very difficult to find a ball of Analcime this big...

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