490 Ct rainbow boulder opal 'split' specimen pair

A caramel boulder opal split pair with rainbow stripes. These two specimens fit together, as they were originally in the same host rock. We then split them open and polished the opal inside. 

• ~ 490 carats / 98 grams (total).
• Left side ~ 47.5 x 37 mm / 1.87" x 1.45". 13.8 mm / 0.54" thick.
• Right side ~ 42.8 x 47.4 mm / 1.68" x 1.86". 16.3 mm / 0.64" thick.
• Natural solid boulder opal specimen.
• Mined by Sue at her Yaraka opal mine in Queensland, Australia.
• Two pieces that fit together.
• Polished.