3 Nice Rough/Sliced Koroit Opal Specimens/Rough 337cts Blue/Green Fires/Patterns

I have for sale 3 Nice Rough/Sliced Koroit Opals from Queensland Australia. These weigh 357cts in total. They are Ironstone base material, all with some Fires in them.  One has NIce Pattern and Fires following round the Nuts, double sided.  Very different both sides. Next has a Nut on one side with slight Fires around it, then Tribal pattern through the back. LAst has some very Fine Greens/Oranges in one side.. Interesting material, will finish up some Great Freeforms/Pendants in the right hands,.,. Thanks for looking,.,.,.,.,.