Australian Boulder Opal - 5.28 Ct small blue boulder opal - Broken River Mining

5.28 Ct small blue boulder opal

Broken River Mining

$150.00 AUD Sale

A small free-form boulder opal with strong blue colours.

  • 5.28 carats.
  • 18.5 x 9.8 mm / 0.72" x 0.38".
  • 2.9 mm / 0.11" thick.
  • Natural solid boulder opal.
  • Mined by Sue at her Yaraka opal mine in Queensland, Australia.
  • Commercial grade.