Australian Boulder Opal - 4.75 Ct free-form stripe boulder opal - Broken River Mining

4.75 Ct free-form stripe boulder opal

Regular price $170.00 AUD Sale

A beautiful free-form boulder opal with colourful stripes.

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