Cowlesite

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Moonen Bay, Duirinish, Isle of Skye, Scotland
779
Crystal lined cavitiy of cowlesite, forming spheres composed of aggregated micro crystals. Cavity measures14x8mm with a smaller one nearby also filled with cowlesite.
Formula: CaAl2Si3O10.6(H2O)
Status: Sold
Dimensions: 27x22x12mm
Size: Thumbnail (T)