A beautiful rectangle picture stone boulder opal with amazing patterning.

• 41.34 carats.
• 28.3 x 25.5 mm / 1.11 x 1.00".
• 4.9 mm / 0.19" thick.
• Natural solid boulder opal.
• Mined by Sue at her Mt Margaret opal mine in Queensland, Australia.
• Commercial grade.
• Opal ID 1582.