Australian Boulder Opal - 17.40 Ct light blue boulder opal - Broken River Mining

17.40 Ct light blue boulder opal

Broken River Mining

$98.00 AUD Sale

A cool light blue rectangle boulder opal.

  • 17.40 carats.
  • 19.1 x 15.7 mm / 0.75" x 0.61".
  • 5.1 mm / 0.20" thick.
  • Natural solid boulder opal.
  • Mined by Sue at her Mt Margaret opal mine in Queensland, Australia.
  • Lower commercial grade.