A small rectangle boulder opal with some flashy golden colours at certain angles.

• 4.40 carats.
• 16.8 x 6.6 mm / 0.66 x 0.26".
• 3.7 mm / 0.14" thick.
• Natural solid boulder opal.
• Mined by Sue at her Yaraka opal mine in Queensland, Australia.
• Commercial grade.