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A really significant, large, pure specimen of the zinc arsenate, Leiteite, from the one and only natural occurrence - Tsumeb mine. At 5.8 cm in length this is not only a substantial crystallized mass but also shows all of the typical characteristics - perfect cleavage, sectile, pearlescent lustre. A superb example of one of Tsumeb's many rarities.
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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