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Cowlesite Chabazite & Calcite

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CSW126417

Cowlesite Chabazite & Calcite

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 × 2.8 cm
Description

Basalt matrix with two amygdales, side by side, filled with light grey cowlesite with water clear chabazite and calcite crystals. Other amygdales on the specimen contain mesolite and thomsonite.

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

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

Calcite

Polymorph of: 
Formula: 
CaCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.0
Streak: 
White

Seller Information

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Thank you for viewing my auctions. It goes without saying that maintaining high standards in both specimen quality and customer service are extremely important to me. If for any reason you are not happy with any aspect of your transaction then please let me know as soon as possible, ideally within 1 week of receiving your specimen. I will happily do all in my power to resolve the situation to your satisfaction. If your specimen is damaged upon delivery simply send me some photos to verify this and I'll provide you with a full refund or a replacement specimen, whichever you prefer.