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Garronite-Ca

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GFM1000894

Garronite-Ca

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Description Tabs

Description
Locality: 
Glenariff Valley, Garron Plateau, County Antrim, Northern Ireland, United Kingdom
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2 × 2 × 2 cm
Description

White radial acicular aggregates up to 8 mm, with some colorless Phillipsite-Ca in Basalte 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
Not Sold