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Andamooka opal fields,
Andamooka Station
,
Pastoral Unincorporated Area
,
South Australia
,
Australia
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White opals are mined down to an ancient sea bed at depths 3-10 meters. Both underground and open-pit mining methods are used.
High quality white opal, fossilzed and opalized shells and bones are commonly found. - GIA, 2019
Gemstone List
Opal
Opal
var: Black Opal
Opal
var: White Opal