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Cowlesite

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CAM184947

Cowlesite

Description Tabs

Description
Locality: 
Dunserverick, Bushmills, County Antrim, Northern Ireland, United Kingdom
Size Range: 
Thumbnail (1-3cm)
Size: 
2.5 × 2 × 1.3 cm
Description

Two pieces, 2.5 x 2.0 cm and 1.8 x 1.0 cm, with several vugs filled with colourless tiny spheres of cowlesite.
Nice examples of this uncommon zeolite-group member.

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
Cartils Minerals

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