Mottramite, Calcite

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A classic specimen from Tsumeb of deep olive-green mottramite forming botryoidal aggregates with the classic "greasy" luster which are overgrowing and associated with white to colorless calcite crystals. Some of the calcites are nearly water-clear, and the overall balance and aesthetics of the piece make it a good miniature size specimen from this most renowned of localities. Ex. Richard Kosnar Collection.