Australian Boulder Opal - 12.57 Ct blue swirl boulder opal - Broken River Mining

12.57 Ct blue swirl boulder opal

Broken River Mining

Regular price $220.00 AUD Sale

A beautiful dark blue swirl pattern boulder opal.

  • 12.57 carats.
  • 25.3 x 13.2 mm / 0.99 x 0.51".
  • 4.3 mm / 0.17" thick.
  • Natural solid boulder opal.
  • Mined by Sue at her Yaraka opal mine in Queensland, Australia.
  • Commercial grade.