3 Nice Rough/Sliced Koroit Opal Nuts/Pattern Stones 171cts Queensland Australia Green/Blues

I have for sale a Nice PArcel of Rough and sliced Koroit Opals from Queensland Australia. These weigh 171cts in total. They are ironstone base material all with PAtterns/Nuts in them with Green/Blue Fires.  The smallest has Bright Blue/Greens in Dark Red base ironstone,.,. some Light Clay/sand in there too. Next has a Half nut with Greens mixed into the patterns.,. Largest has a Long Nut wit Slight Fires, and a patch of better colour at one end,.,.  Great Specimens, and should clean up some nice uasbale stones aswell,,.,.  Thanks for looking,.,.