Australian Boulder Opal - 15.98 Ct green-blue boulder opal - Broken River Mining

15.98 Ct green-blue boulder opal

Broken River Mining

Regular price $250.00 AUD Sale

A stunning free-form boulder opal with strong green and blues.

  • 15.98 carats.
  • 18.9 x 14.1 mm / 0.74" x 0.55".
  • 4.5 mm / 0.17" thick.
  • Natural solid boulder opal.
  • Mined by Sue at her Mt Margaret opal mine in Queensland, Australia.
  • Commercial grade.