Australian Boulder Opal - 7.89 Ct green-blue boulder opal - Broken River Mining

7.89 Ct green-blue boulder opal

Regular price $180.00 AUD Sale

A triangle shaped boulder opal with beautiful green blue tones.

  • 7.89 carats.
  • 20.1 x 11.5 mm / 0.79" x 0.45".
  • 4.3 mm / 0.16" thick.
  • Natural solid boulder opal.
  • Mined by Sue at her Mt. Margaret opal mine in Queensland, Australia.
  • Commercial grade.