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Garronite

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JYJ526832

Garronite

Description Tabs

Description
Locality: 
Goble Creek, Columbia County, Oregon, United States of America
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1.2 × 1 × 0.8 cm
Description

Colourless garronite crystals on matrix. 

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