An unusual boulder opal with pin fire purples and greens.

• 5.20 carats.
• 17.2 x 11.4 mm / 0.67 x 0.44".
• 3.2 mm / 0.12" thick.
• Natural solid boulder opal.
• Mined by Sue at her Yaraka opal mine in Queensland, Australia.
• Commercial grade.