3 Nice Rough/Sliced Koroit Opals 612cts Queensland Australia Green/Blues/Patterns/Nuts

I have for sale a Nice Parcel of Rough/Sliced Koroit Opals from Queensland Australia. These 3 pieces weigh 612cts in total. They are Nuts and pieces with multiple nuts inside them, or conglomerate type pieces. Ironstone base with Opal and pattern/Green/Blue Fires mixed into them.  Very interesting and unusual material. These are mixed sizes, and will clean up some Freeforms, and smaller cabs to. Or Excellent Specimen parcel.  Thanks for looking.