Dioptase - Tsumeb Mine, Tsumeb, Oshikoto Region, Namibia

Dioptase from Tsumeb is one of our Top 100 Minerals for collectors.

Dioptase is probably the most desired mineral from Tsumeb, possibly second only to azurite. The mine has produced some extraordinary examples, considered to be the world’s best. The deep green crystals are most commonly associated with and very aesthetically contrasted against white calcite. Other associated minerals include cerussite, malachite, wulfenite and the rare molybdofornacite.

Likely because of the strong association of dioptase with the Tsumeb mine, some collectors and writers assume that the Tsumeb mine is the type locality for the species. It is not, that honor belongs to the Altyn Tyube deposit in southern Kazakhstan.

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gemmy DIOPTASE, CALCITE

Tsumeb Mine (Tsumcorp Mine), Tsumeb, Otjikoto (Oshikoto) Region, Namibia

$480

46mm x 40mm x 26mm

From: Quebul Fine Minerals

Dioptase on Calcite

Tsumeb, Namibia

$2500

44mm x 35mm x 15mm

From: Marin Minerals

Wulfenite and Dioptase on Calcite

Tsumeb Mine, Tsumeb, Oshikoto Region, Namibia

$7500

50mm x 50mm x 40mm

From: The Arkenstone

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