Australian Boulder Opal - 11.20 Ct colourful free-form boulder opal - Broken River Mining

11.20 Ct colourful free-form boulder opal

Broken River Mining

Regular price $578.00 AUD Sale

A lovely free-form boulder opal with beautiful rainbow patches and stripes.

  • 11.20 carats.
  • 19.5 x 13.2 mm / 0.76 x 0.51".
  • 5.4 mm / 0.21" thick.
  • The opal face is curved (see photos below).
  • Natural solid boulder opal.
  • Mined by Sue at her Yaraka opal mine in Queensland, Australia.
  • Commercial grade.
  • Opal ID 2102.