Opal Corp is recognised internationally as one of the leaders in opal mining, wholesaling, retailing, exporting and also as a source of opal information, having featured in a myriad of documentaries and press articles. Their mining, processing and retailing outlet are based in Coober Pedy, South Australia with their wholesaling and exporting business being based in Adelaide, South Australia. Opal Corp specialize in South Australian White and Crystal opal and also have an extensive stock of Lightning Ridge Black Opal and Queensland Boulder Opal.