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Gobbinsite & Chabazite

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SYM771815

Gobbinsite & Chabazite

Rare Mineral

Description Tabs

Description
Locality: 
Poudrette Quarry, Mont Saint-Hilaire, Québec, Canada
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2 × 2 × 1.5 cm
Description

This is a high quality and gemmy crystals of gobbinsite with chabazite. My images do not show its clarity but these rich clusters are water clear. 

Mineral Data
What's on the rock

Gobbinsite

Formula: 
Na4(Ca,Mg,K2)Al6Si10O32·12H2O
Strunz: 
9.GC.05
Hardness: 
4.0
Type Locality: 
Hills Port, Gobbins, Island Magee, Co. Antrim, Northern Ireland, UK

Chabazite

Synonym Of: 

Chabazite-Ca

Formula: 
(Ca,K2,Na2)2[Al2Si4O12]2·12H2O
Strunz: 
9.GD.10
Hardness: 
4.0 - 5.0

Chabazite-K

Formula: 
(K2,Ca,Na2,Sr,Mg)2[Al2Si4O12]2·12H2O
Strunz: 
9.GD.10
Hardness: 
4.0

Chabazite-Mg

Formula: 
(Mg0.7K0.5Ca0.5Na0.1)[Al3Si9O24]·10H2O
Strunz: 
9.GD.10
Hardness: 
4.0 - 0.0

Chabazite-Na

Formula: 
(Na2,K2,Ca,Sr,Mg)2[Al2Si4O12]2·12H2O
Strunz: 
9.GD.10
Hardness: 
4.0

Chabazite-Sr

Formula: 
Sr2[Al2Si4O12]2·12H2O
Strunz: 
9.GD.10
Hardness: 
4.0 - 4.5