Larger Rough Koroit Opal Rough Parcel 1252cts Nuts/Patterns Some Fires Qld Australia

I have for sale a Parcel of Rough Koroit Opals from Queensland Australia. These weigh 1252cts in total. They are ironstone base material, all with Pattern in them. Some with Slight Fires aswell. Greens/Blues mostly. Great Practice and Gamble material, shoulkd get some Freeforms and Pendants from these, all interesting pieces to look at and work with. Thanks for looking.