22.23 Ct curvy blue boulder opal

A curvy boulder opal with multiple blues and a dark background / body tone.

• 22.23 carats.
• 21.3 x 17.4 mm / 0.83" x 0.68".
• 9 mm / 0.35" thick.
• Natural solid boulder opal.
• Mined by Sue at her Mt. Margaret opal mine in Queensland, Australia.
• Commercial grade.