Australian opal triplet:
• An Australian opal triplet is a thin slice of precious natural Australian opal sandwiched between a supporting base and a supporting dome.
• It is an opal composite.
• The opal used is an opal from Coober Pedy, a vast opal field in the State of South Australia.
• It costs a lot less than a solid opal and can last many years without deteriorating.
• It is sensitive to water.
• Do not get it wet or immerse it in water.