Stilbite

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Glen Brittle, Minginish, Isle of Skye, Scotland
2235
Small stilbite crystals forming rounded stalagmites; a cross-section of one of these showing they have formed around earler hexagonal crystals which have now part etched away, probably calcite.
Formula: (Ca0.5,K,Na)9(Al9Si27)O72 . 28H2O
Status: Sold
Dimensions: 63x54x40mm
Size: Small Cabinet (S)
Minerals of the English Midlands
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