Australian Boulder Opal - 12.78 Ct blue and caramel 'half moon' boulder opal - Broken River Mining

12.78 Ct blue and caramel 'half moon' boulder opal

Broken River Mining

Regular price $260.00 AUD Sale

A very unique half moon shaped boulder opal with purples, greens and caramel waves.

  • 12.78 carats.
  • 26.4 x 11.2 mm / 1.03" x 0.44".
  • 4.7 mm / 0.18" thick.
  • Natural solid boulder opal.
  • Mined by Sue at her Yaraka opal mine in Queensland, Australia.
  • Commercial grade.