Nice Rough Boulder Opal specimens 2358cts Multicolours Ironstone Queensland AustraliaI have for sale a nice Rough Sliced Boulder Opal Parcel from near Winton, Queensland. These weigh 2358cts in total. Ironstone base material with some Opal and Potch on the faces. Not all of them, some in Patches, raised areas strips along the edge. Also some nice patterns and some Fossil pods with colour in the ironstones too. Superb specimen parcel, and may cut some picture stones and cabs once worked through. Thanks for looking.