Bayldonite pseudomorph after mimetite with malachite pseudomorphs after azurite, 4.9 cm, from the Tsumeb mine, Tsumeb, Otjikoto Region, Namibia. Photo by Jeff Scovil.
Tsumeb, Namibia — world-renowned locality famed for a rich copper–lead–zinc ore pipe, with dioptase on calcite, azurite blades, and smithsonite prized by colle…
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