Australian Boulder Opal - 18.78 Ct red and ironstone boulder opal - Broken River Mining

18.78 Ct red and ironstone boulder opal

Broken River Mining

$300.00 AUD Sale

A long matrix boulder opal with gorgeous red flashes.

  • 18.78 carats.
  • 36.8 x 10.9 mm / 1.44" x 0.42".
  • 5.2 mm / 0.20" thick.
  • Natural solid boulder opal.
  • Mined by Sue at her Yaraka opal mine in Queensland, Australia.
  • Commercial grade.