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Garronite-Ca

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SER926995

Garronite-Ca

ex Americo Urbinati collection

Description Tabs

Description
Locality: 
Big Tree Creek, Yacolt, Clark County, Washington, United States of America
Class: 
Massive/Crystalline
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.1 × 2.8 × 1.6 cm
Description

white massive garronite-Ca

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