Australian Boulder Opal - 6.42 Ct green-blue boulder opal - Broken River Mining

6.42 Ct green-blue boulder opal

Broken River Mining

Regular price $70.00 AUD Sale

A free-form shape boulder opal with lighter green and blues.

  • 6.42 carats.
  • 18.7 x 8 mm / 0.73" x 0.31".
  • 4.7 mm / 0.18" thick.
  • Natural solid boulder opal.
  • Mined by Sue at her Mt Margaret opal mine in Queensland, Australia.
  • Commercial grade.