Nice Quality Rough/Rubbed Coober Pedy Opal Parcel 17.54cts Multicolour Fires Australia

I have for sale a Nice Quality parcel of Rough and Rubbed Opals from Coober Pedy, Australia. These weigh 17.54cts in total. They are White/Milky and Crystal Base Opal all with nice Fires in them. Reds/Greens/Blues. There is some sand on the backs/skins in places too. Superb specimens, and should clean up some small Cabs/Pointers and inlay. Or Gem Jar material. Thanks for looking