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Dioptase on Calcite (copper silicate and calcium carbonate)

Stuart Humphreys

Australian Museum

Australian Museum
Sydney, Australia

This specimen shows a group of well-shaped rhombohedral pearly-white calcite crystals with a liberal scattering of sugary emerald green dioptase crystals. Dioptase is an uncommon copper mineral prized for its intense green colour. It is found in only a few copper mines world-wide, but the best examples have come from Namibia.

Details

  • Title: Dioptase on Calcite (copper silicate and calcium carbonate)
  • Creator: Stuart Humphreys
  • Location: Tsumeb, Otavi, Namibia
  • Contributor: Photographer: Stuart Humphreys
  • Rights: Australian Museum

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