7.74 Ct small colourful rectangle boulder opal

7.74 Ct small colourful rectangle boulder opal

Broken River Mining

Regular price $160.00 AUD Sale

A small rectangular boulder opal, with colourful swirls and stripes. A mini-picture stone!

  • 7.74 carats.
  • 17.4 x 9.7 mm / 0.68 x 0.38".
  • 4.6 mm / 0.18" thick.
  • Natural solid boulder opal.
  • Mined by Sue at her Mt Margaret opal mine in Queensland, Australia.
  • Commercial grade.