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  2. Opal - Wikipedia

    en.wikipedia.org/wiki/Opal

    The primary sources of opal are Australia and Ethiopia, but because of inconsistent and widely varying accountings of their respective levels of extraction, it is difficult to accurately state what proportion of the global supply of opal comes from either country. Australian opal has been cited as accounting for 95–97% of the world's supply ...

  3. Opal (fuel) - Wikipedia

    en.wikipedia.org/wiki/Opal_(fuel)

    Opal is a variety of low-aromatic 91 RON petrol developed in 2005 by BP Australia to combat the rising use of gasoline as an inhalant in remote Indigenous Australian communities. [ 1 ] Though more expensive to produce, requiring a $0.33/litre Federal subsidy, a 2006 report found it would likely save at least $27 million per year when the social ...

  4. Coober Pedy - Wikipedia

    en.wikipedia.org/wiki/Coober_Pedy

    Coober Pedy (/ ˈ k uː b ər ˈ p iː d i /) is a town in northern South Australia, 846 km (526 mi) north of Adelaide on the Stuart Highway.The town is sometimes referred to as the "opal capital of the world" because of the quantity of precious opals that are mined there.

  5. Fire of Australia opal - Wikipedia

    en.wikipedia.org/wiki/Fire_of_Australia_Opal

    The opal is just under 5,000 carats; roughly equivalent in size to two cricket balls. [1] Although rough-cut, it is polished on two sides. [3]Due to the evaporation of an inland sea several million years ago, South Australia is one of the few places on Earth where opals of this size can be created.

  6. 135 Interesting Facts for Kids and Adults to Blow Your Mind - AOL

    www.aol.com/lifestyle/135-interesting-facts-kids...

    Interesting Facts for Adults. 11. If you cut down a cactus in Arizona, it can result in a class 4 felony and up to 25 years in prison. 12. Wearing headphones for just an hour can increase the ...

  7. Olympic Australis - Wikipedia

    en.wikipedia.org/wiki/Olympic_Australis

    The Olympic Australis opal is the largest and most valuable opal yet found (as of 1961) [1] and was valued at A$2,500,000 in 1997. [2] It was found in 1956 at the 'Eight Mile' opal field near the town of Coober Pedy in South Australia. [3] The opal was found at a depth of 9.1 metres (30 ft).

  8. 50 Surprising Facts From “Today I Learned” That Show How ...

    www.aol.com/80-today-learned-facts-too-020048179...

    Here, millions of people come together to share the most surprising, obscure, and fascinating facts they’ve just discovered. Some change how we see the world, while others are simply ...

  9. Mining in Australia - Wikipedia

    en.wikipedia.org/wiki/Mining_in_Australia

    Australia is the world's third largest exporter of fossil fuel carbon dioxide-emissions potential. [63] “Australia mines about 57 tonnes of CO2 potential per person each year, about 10 times the global average”. [63] Mining has had a substantial environmental impact in some areas of Australia.

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