A large rectangle boulder opal with pastel green-blues.

• 25.57 carats.
• 29.1 x 13.5 mm / 1.14" x 0.53".
• 6.4 mm / 0.25" thick.
• Natural solid boulder opal.
• Mined by Sue at her Mt. Margaret opal mine in Queensland, Australia.
• Commercial grade.
• Opal ID 2274.