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Cowlesite Thomsonite & Chabazite

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CSW176492

Cowlesite Thomsonite & Chabazite

Classic Locality

Description Tabs

Description
Locality: 
Glenariff Valley, Garron Plateau, County Antrim, Northern Ireland, United Kingdom
Size Range: 
Miniature (4.5-7 cm)
Size: 
3.5 × 5.3 × 3.5 cm
Description

Basalt matrix with amygdales containing a nice suite of zeolite minerals including bladed thomsonite crystals, colourless transparent chabazite crystals and rare, small grey cowlesite spherules.

Mineral Data
What's on the rock

Cowlesite

Formula: 
CaAl2Si3O10·6H2O
Strunz: 
9.GG.05
Crystal System: 
Orthorhombic
Hardness: 
5.0 - 5.5
Streak: 
White
Type Locality: 
Neer Road, Goble, Columbia Co., Oregon, USA

Thomsonite

Synonym Of: 

Thomsonite-Ca

Formula: 
NaCa2[Al5Si5O20]·6H2O
Strunz: 
9.GA.10
Hardness: 
5.0 - 5.5

Thomsonite-Sr

Formula: 
Na(Sr,Ca)2[Al5Si5O20]·7H2O
Strunz: 
9.GA.10
Hardness: 
5.0 - 0.0

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

Seller Information

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