Australian Boulder Opal - 10.58 Ct purple swirl triangle boulder opal - Broken River Mining

10.58 Ct purple swirl triangle boulder opal

Broken River Mining

Regular price $130.00 AUD Sale

A purple and blue triangle boulder opal on a semi dark body tone / background.

  • 10.58 carats.
  • 18.6 x 15.4 mm / 0.73 x 0.60".
  • 5 mm / 0.19" thick.
  • Natural solid boulder opal.
  • Mined by Sue at her Mt Margaret opal mine in Queensland, Australia.
  • Slightly convex face.
  • Lower commercial grade.