A beautiful rectangle 'picture stone' boulder opal, with pale to midnight blues. It has a flat back and a convex face.

• 14.67 carats.
• 15.9 x 14.4 mm / 0.62 x 0.56".
• 5.8 mm / 0.22" thick.
• Natural solid boulder opal.
• Mined by Sue at her Yaraka opal mine in Queensland, Australia.
• Commercial grade.