A small free-form boulder opal with green, blue and a little pink.

• 3.09 carats.
• 12.2 x 7.2 mm / 0.48 x 0.28".
• 3.2 mm / 0.12" thick.
• Natural solid boulder opal.
• Mined by Sue at her Mt. Margaret opal mine in Queensland, Australia.
• Commercial grade.