A hexagonal matrix boulder opal with lovely greens-blues.

• 10.44 carats.
• 18.5 x 16.6 mm / 0.72 x 0.65".
• 3.9 mm / 0.15" thick.
• Natural solid boulder opal.
• Please note the hexagon shape is not perfect.
• Mined by Sue at her Yaraka opal mine in Queensland, Australia.
• Commercial grade.