Buy Black Opal Rough Parcels online direct from the mines at wholesale prices. Opal Auctions has all types of Rough Opal including Black Opal Rough opal mining is very difficult and is extremely hard to find good gem quality black opals
Opal cutters have worked rough to make parcel rubs
Rubs are rough opal parcels that have potch rubbed away to expose colour
These black rubs are ideal to shape and polish a s you wish and a scuter you can make choice if you want to cut oval or free form shape
In the past most rough parcels were cut into oval shapes and few tear drops but today free form shapes are more in demand so you can make unique jewelry instead standard cast settings.
Some opal miners might only find one true gem harlequin pattern in lifetime of mining.
Opal mining is so much gamble that miners just 50 meters apart can find fortune while the other opal miners goes broke.
Black opal rough is difficult for inexperienced cutters to polish so we recommend buying rubs that opal miner has cleaned so you can see colour bar.
Virgin rough has to be considered a gamble .If grey base there is always the chance centre of the opal might be black and than the opal could be valuable ,but many times the colour is grey and little colour.
Also pattern plays big part in value of rough opals .If you can see pattern bars on side there is greater chance of cutting good pattern opal.
Rough opal from sheepyards or carters is mostly seam opal and easy to cut and polish
But opals from Cochran area are mostly Nobby’s and needs an experienced cutter to cut these opals.