Coober Pedy opal

• A Coober Pedy opal is an opal that has been mined in Coober Pedy, a vast opal field in South Australia.

• Coober Pedy produces over 90% of all precious opal mined in the world (mostly white opal but also beautiful light and crystal opal).
• It is the main source of opal used to make Australian opal doublet stones and opal triplet stones.
• When cut and polished, a solid Coober Pedy opal is by world standards, a "Natural opal, Type 1".