Australian Boulder Opal - 5.50 Ct free-form blue boulder opal - Broken River Mining

5.50 Ct free-form blue boulder opal

Broken River Mining

Regular price $70.00 AUD Sale

A small free-form shape boulder opal with gorgeous blue colours.

  • 5.50 carats.
  • 16.6 x 8.8 mm / 0.65" x 0.34".
  • 4.1 mm / 0.16" thick.
  • Natural solid boulder opal.
  • Mined by Sue at her Mt Margaret opal mine in Queensland, Australia.
  • Commercial grade.