Dioptase on Calcite - image 1
Photo by School of Earth, Energy and Environmental Sciences, Stanford University

Dioptase on Calcite

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Dioptase on calcite, 5 cm, from the Tsumeb mine, Tsumeb, Otjikoto region, Namibia. Acquired from Clive Quiet in August 1975. Photo by School of Earth, Energy and Environmental Sciences, Stanford University.

Product details

SpeciesCalcite, Dioptase
SizeMiniature
Dimensions5.0 cm
Added on02/13/2026
LocalityNamibia, Oshikoto Region, Tsumeb
Publications
  • Mineralogical Record Mineral Collections In California page 231
Current owner
Demetrius Pohl

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Calcite
Mineral guide
Learn about Calcite
diverse shapes, colors, and optical quirks; widely available yet scarce elite pieces from Elmwood and Charcas drive collecting value and display.
Calcite
Regional guide
Calcite from Tsumeb
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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…