Australian Boulder Opal - 11.67 Ct colourful rectangle boulder opal - Broken River Mining

11.67 Ct colourful rectangle boulder opal

Broken River Mining

Regular price $485.00 AUD Sale

A rectangle shape boulder opal, with multiple dancing colours showing through the unique ironstone host rock. 

  • 11.67 carats.
  • 20.8 x 10.3 mm / 0.81 x 0.40".
  • 4.7 mm / 0.18" thick.
  • Natural solid boulder opal.
  • Mined by Sue at her Yaraka opal mine in Queensland, Australia.
  • Commercial grade.
  • Opal ID 2373.