Coocoran Opal Field, Lightning Ridge, AustraliaThe Coocoran opal fields consist of about 50 named opal fields are located about 21 kilometres east of the town of Lightning Ridge. A "field" is an area where opal mineralisation has been found. The present large opal is exceptional for its brightness: characterized by a spectacular electric purple-blue color with broad flashes of vivid green, this is classic Lightning Ridge material at its finest. The present specimen was found in the 1990s and is indicative of former grandeur of this locality....which is now rapidly being depleted of newer such finds. Sure to create a stunning pendant or to please the serious collector of black opals, this example is unique and astonishingly beautiful. Weighing approximately 292.0 carats and measuring 71.5 x 55.5 x 12.0mm