Nice Coober Pedy White/Milky Base Seam Opal Parcel 83.7cts Some Multicolours

I have for sale a Nice parcel of Rough Seam Opals from Coober Pedy, South Australia. These weigh 83.7cts in total. They are White/Milky Base Opal, all with some Fires in them.  There is Bars, Part-Bars and P+C pieces here, some with more colour than others. Great Specimens, Practice and should clean up a few usable pieces to. There is also some Sand/Skin in places to,.., Thanks for looking,.,.,.