A small green-blue boulder opal specimen.

•  95 carats / 19 grams
•  26.5 x 27 mm / 1.04" x 1.06".
•  19.6 mm / 0.77" thick.
• Natural solid boulder opal specimen.
• Mined by Sue at her Yaraka opal mine in Queensland, Australia.
• Sits on its base in one direction.