Buy Crystal Opal Rough online direct from the mines at wholesale prices. Opal Auctions has all types of Rough Opal and crystal rough has always been popular with cutters.Th is due to the rough having thick colour bars and lot are to work to shape and polish the rough.
A large percentage of this material goes to making inlay jewelry ,as when the opal is inlayed into settings the back is enhanced and makes it brighter
If you are cutting rough for inlay it is best to use saw blade and facet wheel to shape as its very difficult to make exact size with just round cutting and polishing wheels
Some rough is formed with grey potch on the back so if cutting you can decide to leave it on this potch or make clean crystal opal
Clean crystals are popular but it is not easy to always cut out so if potch line sin its best o leave potch on base as it makes it deeper colour
Most popular are parcels rough or single pieces and blue to sea green are predominant and hard to find these bright sunset fire colours
Many miners will take the black from parcel if mined in lightning ridge and always ask tosee hand shot a s crystal rough with dark background do look like lot fire n deep colours so hand shot shows actual colour when worn on finger a s ring
Many rough pieces can also be dremil drill as undulating surface does polish well into artic sic design but take lot work to polish good so cutter needs to use lot different burs and polishing grades to obtain good finish