Nice Rough Opalton Matrix/Boulder Opal Parcel 551cts Queensland Australia

I have for sale a Nice rough Opal parcel from Queensland Australia. These weigh 551cts in total. There is some Opalton Matrix, Blobby Ironstone with Harder/Darker cores, some with Blue/Green and one with slight Reds.  Then Sandy ironstone with Thin Bars/Crystal in places. From a different unkown field. One of the bigger Matrix, Bubble Band pieces has Blues/Greens showing on most sides.  Great Specimens, Practice material, and should clean up some Cabs/Freeforms in the right hands.,,.,.  Thanks for looking,.,.