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Garronite-Ca & Analcime

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SMM699983

Garronite-Ca & Analcime

Description Tabs

Description
Locality: 
San Giorgio di Perlena, Fara Vicentino, Vicenza Province, Veneto, Italy
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3 × 2.5 × 1 cm
Description

Snow-white crystals of garronite-Ca, with colorless transparent crystals of analcime  in cavities of volcanic rock.

Boxed with Label
Mineral Data
What's on the rock

Garronite-Ca

Formula: 
Na2Ca5Al12Si20O64·27H2O
Group Parent: 
Zeolite Group
Strunz: 
9.GC.05
Crystal System: 
Tetragonal
Hardness: 
4.0 - 5.0
Colour: 
White
Type Locality: 
Glenariff Valley, Garron Plateau, Co. Antrim, Northern Ireland, UK

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

Seller Information

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