A small green-blue boulder opal with a dark body tone / background.

• 4.03 carats.
• 16.3 x 9.6 mm / 0.64" x 0.37".
• 4.4 mm / 0.17" thick.
• Natural solid boulder opal.
• Mined by Sue at her Yaraka opal mine in Queensland, Australia.
• Commercial grade.