A small free-form boulder opal with flashy green-blues.

• 2.17 carats.
• 13.8 x 7.1 mm / 0.54 x 0.27".
• 3.1 mm / 0.12" thick.
• Natural solid boulder opal.
• Mined by Sue at her Yaraka opal mine in Queensland, Australia.
• Commercial grade.