Nice Quality Cut/Polished Koroit Opal Cab/Gem 42.94cts Blue/Green Fires/Patterns Qld Australia

I have for sale a very nice Cut and Polished Freeform Koroit Opal Cab from Queensland Australia. This one weighs 42.94cts and is 45x23x5mm.,. This is Ironstone base with quality Patterning and Opal veins throughout. Double sided stone.  Nice Blues and some Green in this stone, slight Red in a few places to. Will make a superb addition to a collection, or make a Unique and interesting piece of jewelery,. . Great stone, Thanks for looking,.,.,.