Mining area opened in 1915. In 1919 it became the biggest opal producer in Australia. Very harsh climate conditions.
Opals are found in white to mauve-color sandstones. White opals occur in veins at depths reaching 25 meters. - GIA, 2019
Gemstone List
Gemstones from Coober Pedy, Pastoral Unincorporated Area, South Australia, Australia by Colour
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