Australian Boulder Opal - 300 Ct navy blue boulder opal specimen - Broken River Mining

300 Ct navy blue boulder opal specimen

Broken River Mining

Regular price $240.00 AUD Sale

A lovely boulder opal specimen that is dark blue with a natural white stripe running down one side.

  • ~ 300 carats / 60 grams
  • 45.2 x 40.1 mm / 1.77" x 1.57".
  • 19.4 mm / 0.76" thick.
  • Natural solid boulder opal specimen.
  • Mined by Sue at her Mt Margaret opal mine in Queensland, Australia.
  • Stands on its own in two directions (only one pictured).