• Boulder Opal Mining in Diamantina

    Boulder Opal Mining in Diamantina

  • Why are red opals the most valuable?

    Why are red opals the most valuable?

    A short video about why red opals are more valuable, and less common.
  • Coober Pedy Opals

    Coober Pedy Opals

    Coober Pedy is an outback desert town located in South Australia in Australia, around 900km north of Adelaide on the Stuart Highway. The Stuart Highway is one of Australia’s major highways that runs from Darwin, thru Alice Springs, Ayers Rock, Coober Pedy and down to Adelaide. Coober Pedy is a town that is very famous for being the best source in the world of...
  • How is Opal Formed?


    How is Opal Formed?


    More than 90% of the world’s precious opals come from Australia, and the rest can be found in other parts of the world such as Mexico, Brazil, Indonesia, Czech Republic, Ethiopia and USA. Opals from Mexico (called “Mexican Opal”) has more water and is transparent or extremely translucent. Opal is formed in different ways; depending on where they are found around the world. Please...
  • Learn About Opals

    Learn About Opals

    How are Opals made? Opal is formed from a solution of silicon dioxide and water. As water runs down through the earth, it picks up silica from sandstone, and carries this silica-rich solution into cracks and voids , caused by natural faults or decomposing fossils. As the water evaporates, it leaves behind a silica deposit. This cycle repeats over very long periods of time,...
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