Australian Boulder Opal - 5.72 Ct small blue boulder opal - Broken River Mining

5.72 Ct small blue boulder opal

Broken River Mining

Regular price $70.00 AUD Sale

A small, free-form, blue boulder opal.

  • 5.72 carats.
  • 23.6 x 6.7 mm / 0.92" x 0.26".
  • 4.3 mm / 0.17" thick.
  • Natural solid boulder opal.
  • Mined by Sue at her Yaraka opal mine in Queensland, Australia.
  • Commercial grade.