A beautiful oval boulder opal with rainbow colours on a lighter body tone / background.

• 11.52 carats.
• 30.1 x 12.4 mm / 1.18" x 0.48".
• 4 mm / 0.15" thick.
• Natural solid boulder opal.
• Mined by Sue at her Yaraka opal mine in Queensland, Australia.
• Gem grade.
• Opal ID 2270.