Australian Boulder Opal - 16.72 Ct green-blue boulder opal - Broken River Mining

16.72 Ct green-blue boulder opal

Broken River Mining

Regular price $440.00 AUD Sale

A free-form green-blue boulder opal with lovely ocean tones.   

  • 16.72 carats.
  • 23.5 x 17 mm / 0.92 x 0.67".
  • 5.8 mm / 0.22" thick.
  • Natural solid boulder opal.
  • Mined by Sue at her Yaraka opal mine in Queensland, Australia.
  • Commercial grade.
  • Opal ID 2064.