Smithsonite

Unknown Owner

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Classic duck-egg blue glossy botryoidal Smithsonite from the world famous Kelly mine in Socorro County, New Mexico, USA. This is certainly an iconic form of Smithsonite and as a cabinet-sized display specimen this is a really fine example, showing fantastic undulating surfaces with a silky surface texture and rich colour. The size of the botryoids varies from very small on the raised surfaces where a thin layer of turquoise-blue Aurichalcite appears to have disrupted the outer layer of growth, to slightly larger within the cavities. It comes from the superb collection of Martin Kershaw in the UK, who started collecting during the 1960s.