An oval boulder opal with opal stripes running through caramel colours.

• 6.18 carats.
• 19.4 x 9.8 mm / 0.76" x 0.38".
• 4.2 mm / 0.16" thick.
• Natural solid boulder opal.
• Mined by Sue at her Yaraka opal mine in Queensland, Australia.
• Commercial grade