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A piece of a Koroit opal nut.
The rough piece has been roughly polished to show the pattern.
This piece can be cut up for a few stones or finished as a specimen.

Rule in Millimetres
Measurements are generally rounded down and approximate

Colour: Please note the camera has been white-balanced to give truer colours
NO Photo Shopped enhancement

  • Images taken wet to show colour
  • Weighed dry for accurate measurement
  • Macro lens used to take images

We are always happy to combine postage.