Nice Quality Koroit Opal Cab/Freeform 80.04cts AA Patterns Slight Fires Queensland Australia

I have for sale a Nice Cut/Polished Freeform Koroit Opal Cab from Queensland Australia. This one weighs 80.04cts and is 34x28x5mm. Dark Ironstone base with Interesting/Detailed and vivid patterns over the back face. The front has Redder base ironstone with patterns and slight Multicolour Opal mixed in in places. Superb Picture stone, one of a kind. Great for a pendant or similar. Thanks for looking.