Coober Pedy has been famous opal mining town in South Australa.opal from this field ha s good reputation as most formed as crystal opal and has multiple opal crystal colours ,Beautiful crystal opals came from the famous Olympic opal fields, this field also produces many interesting localized fossils and sea shells. Source your Coober Pedy opals direct from opal miners and opal wholesalers and dealers for your single gem opal or parcel Coober Pedy opals from South Australia Opal was first mined in Coober Pedy in 1915 as many settlers arrived from Europe and started the opal industry. Most people live underground and many mine for opals while digging their house as the temperature is cool below ground all year with an average temperature of 25 degrees , even when its hot 50 degrees above.