A large matrix oval boulder opal with rainbow colours on a dark background on one side and a natural off-white caramel stripe on the other.

• 19.44 carats.
• 26.3 x 17.6 mm / 1.03 x 0.69".
• 4.3 mm / 0.16" thick.
• Natural solid boulder opal.
• Mined by Sue at her Yaraka opal mine in Queensland, Australia.
• High commercial grade.
  
• Opal ID 2140.