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Chalcedony stained by Chrysocolla (silicon dioxide and copper silicate-hydroxide)

Stuart Humphreys

Australian Museum

Australian Museum
Sydney, Australia

Smooth, rounded masses of chalcedony with dispersed sky-blue copper mineral chrysocolla, line a cavity in oxidised copper ore. Chalcedony is a micro-crystalline variety of quartz and the chrysocolla has added its own intense blue colour.

Details

  • Title: Chalcedony stained by Chrysocolla (silicon dioxide and copper silicate-hydroxide)
  • Creator: Stuart Humphreys
  • Location: Arizona, USA
  • Contributor: Photographer: Stuart Humphreys
  • Rights: Australian Museum

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