Australian Boulder Opal - 3.80 Ct 'sandbar' boulder opal - Broken River Mining

3.80 Ct 'sandbar' boulder opal

Broken River Mining

Regular price $520.00 AUD Sale

A small rectangle shape boulder opal, with one part a strong green-blue on a black background and the other part on a lighter background. Truly one-of-a-kind and a definite favourite of ours.     

  • 3.80 carats.
  • 10.5 x 10.1 mm / 0.41 x 0.39".
  • 3.3 mm / 0.13" thick.
  • Natural solid boulder opal.
  • Mined by Sue at her Yaraka opal mine in Queensland, Australia.
  • Commercial grade.
  • Opal ID 2373.