A beautiful extra small arch-shaped boulder opal with rainbow colours.

• 1.92 carats.
• 9.1 x 7.4 mm / 0.35 x 0.29".
• 2.5 mm / 0.09" thick.
• Natural solid boulder opal.
• Mined by Sue at her Yaraka opal mine in Queensland, Australia.
• Commercial grade.