Cowlesite
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| Cowlesite | |
|---|---|
 Cowlesite | |
| General | |
| Category | Zeolite minerals |
| Formula (repeating unit) | Ca(Al2Si3)O10·5-6H2O |
| Strunz classification | 8/J.24-10 |
| Crystal system | Orthorhombic |
| Identification | |
| Colour | Colourless, White |
| Mohs scale hardness | 5-5.5 |
| Luster | Vitreous |
Cowlesite is named after American mineralogist John Cowles. It was first described by W.S. Wise and Rudy W. Tschernich in material from roadcuts along Neer Road, Goble, Oregon, United States. It most often occurs as small colorless to white spheres in basalt, and is often associated with other zeolites.
References
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