Australian Boulder Opal - 4.50 Ct colourful small free-form boulder opal - Broken River Mining

4.50 Ct colourful small free-form boulder opal

Regular price $230.00 AUD Sale

A free-form boulder opal with beautiful fiery greens and blues.

  • 4.50 carats.
  • 18.2 x 7.7 mm / 0.71" x 0.30".
  • 3.4 mm / 0.13" thick.
  • Natural solid boulder opal.
  • Mined by Sue at her Yaraka opal mine in Queensland, Australia.
  • Commercial grade.