Australian Boulder Opal - 18.40 Ct large oval boulder opal - Broken River Mining

18.40 Ct large oval boulder opal

Broken River Mining

Regular price $460.00 AUD Sale

A large oval boulder opal with multiple fun colours appearing through the ironstone host rock.  

  • 18.40 carats.
  • 28 x 16.4 mm / 1.10 x 0.64".
  • 4 mm / 0.15" thick.
  • Natural solid boulder opal.
  • Mined by Sue at her Yaraka opal mine in Queensland, Australia.
  • Commercial grade.
  • Opal ID 1802.