A small rectangle boulder opal with a a one way blue-purple flash. Great with movement.

• 5.96 carats.
• 15.7 x 10.3 mm / 0.61" x 0.40".
• 3.5 mm / 0.13" thick.
• Natural solid boulder opal.
• Mined by Sue at her Yaraka opal mine in Queensland, Australia.
• Commercial grade.