Willemite, Calcite

Unknown Owner

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A rare and beautiful willemite specimen from the Tsumeb Mine. Gemmy, powder-blue willemite crystals to 5 mm are scattered on vuggy, upright matrix lined with nicely contrasting white calcite rhombs. There are actually two generations of willemite of this very showy piece; the powder-blue gem crystals and very sparkly, blue-green willemite microcrystals. Ex. Rob Smith Collection.