A small green-blue boulder opal with a lovely pattern and shape.

• 7.43 carats.
• 17.1 x 12.4 mm / 0.67" x 0.48".
• 3.5 mm / 0.13" thick.
• Natural solid boulder opal.
• Mined by Sue at her Yaraka opal mine in Queensland, Australia.
• Commercial grade.