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Broken River Mining

5.06 Ct green-blue boulder opal

Regular price $1,271.00 AUD
Regular price Sale price $1,271.00 AUD
Sale Sold

A free-form (almost oval) boulder opal with strong green-blue colours.

  • 5.06 carats.
  • 16.9 x 9 mm / 0.66" x 0.35".
  • 3.6 mm / 0.14" thick.
  • Natural solid boulder opal.
  • Mined by Sue at her Mt. Margaret opal mine in Queensland, Australia.
  • Gem grade.
  • Opal ID 852.