19.42 Ct green-blue round boulder opal
A round boulder opal with fun patterning and an amazing gem grade green-blue stripe with a black body tone.
- 19.42 carats.
- ~ 21 x 21 mm / 0.82" x 0.82".
- 4 mm / 0.15" thick.
- Natural solid boulder opal.
- Mined by Sue at her Yaraka opal mine in Queensland, Australia.
- Commercial grade, with a gem grade stripe.
- Opal ID 2444.
Vendor: Broken River Mining