Dioptase - image 1
Photo by Jeffrey A. Scovil

Dioptase

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Dioptase, 6 cm, from the Tsumeb mine, Namibia. Ex Miriam and Julius Zweibel, 1972; Jeff Scovil photo.

Product details

SpeciesDioptase
SizeSmall Cabinet
Dimensions6.0 cm
Added on02/13/2026
LocalityNamibia, Oshikoto Region, Tsumeb
Publications
  • Mineralogical Record Mineral Collections In American Northeast page 264
Current owner
Joseph, Lorraine and Renee Polityka

Added by the community · Not a registered member

Previous owners
DateCollectorAcquisition price
—Miriam and Julius ZweibelNot disclosed

Learn more

Dioptase
Mineral guide
Learn about Dioptase
vivid emerald-green crystals with glassy luster, often on white calcite or quartz; highly collectible due to color, clarity, and brittleness.
Dioptase
Regional guide
Dioptase from Tsumeb, Namibia
, Tsumeb (Namibia): deep emerald-green crystals with bluish cast, glassy luster, sharp terminations on calcite, a collector’s prized, iconic locality.
Locality guide
Tsumeb
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…