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Garronite-Ca

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SYM579477

Garronite-Ca

Rare Mineral

Description Tabs

Description
Locality: 
Poudrette Quarry, Mont Saint-Hilaire, Québec, Canada
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1.5 × 0.6 × 0.5 cm
Description

Clear crystals of garronite. 

Reduced shipping cost applies. Will not be shipped with a micromount box.

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