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The Opal Corporation Pty Ltd (Opal Corp) is a family business first established in 1972 by Yanni Athanasiadis, now under the joint directorship of Yanni and his son Niko Athanasiadis.
Opal Corp has built a reputation as one of he leaders in mining, wholesaling, retailing, exporting and also as a source of opal information having featured in countless documentaries and press articles.
Our mining and processing and retaling outlet are based in Coober Pedy, South Australia with our wholesaling and exporting business being based in Adelaide, South Australia.
We specialise in South Australian Crystal Opal and also have an extensive stock of Lightning Ridge black opal and Queensland boulder opal.