Australian Boulder Opal - 4.07 Ct bright blue boulder opal - Broken River Mining

4.07 Ct bright blue boulder opal

Broken River Mining

Regular price $518.00 AUD Sale

A wonderful free-form bright blue boulder opal. One of our current favourites.

  • 4.07 carats.
  • 12.7 x 11.3 mm / 0.50 x 0.44".
  • 3.3 mm / 0.13" thick.
  • Natural solid boulder opal.
  • Mined by Sue at her Yaraka opal mine in Queensland, Australia.
  • High commercial grade.