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  2. Opal - Wikipedia

    en.wikipedia.org/wiki/Opal

    Another source of white base opal or creamy opal in the United States is Spencer, Idaho. [48] A high percentage of the opal found there occurs in thin layers. Other significant deposits of precious opal around the world can be found in the Czech Republic, Canada, Slovakia, Hungary, Turkey, Indonesia, Brazil (in Pedro II, Piauí [ 49 ...

  3. List of individual gemstones - Wikipedia

    en.wikipedia.org/wiki/List_of_individual_gemstones

    Andamooka Opal, presented to Queen Elizabeth II, also known as the Queen's Opal; Flame Queen Opal; Galaxy Opal; Halley's Comet Opal, the world's largest uncut black opal; Olympic Australis Opal, reported to be the largest and most valuable gem opal ever found

  4. Gemstone - Wikipedia

    en.wikipedia.org/wiki/Gemstone

    These have been a popular shape since ancient time and is more durable than faceted gems. [34] Stones which are cut with a faceting machine by polishing small flat windows called facets at regular intervals at exact angles. [34] Stones which are opaque or semi-opaque such as opal, turquoise, variscite, etc. are commonly

  5. World's most expensive opal literally glows in the dark - AOL

    www.aol.com/news/2015-08-13-world-s-most...

    In fact, as it gets darker around the opal, the opal appears ever more vibrant. The stone's vivid and sparkly nature is in stark contrast to Coober Pedy, Australia where it was discovered.

  6. 'Pawn Stars': Man's fake 'amber rock' ends up costing ... - AOL

    www.aol.com/entertainment/2014-06-13-pawn-stars...

    Rick Harrison had to break the bad news, telling Madison that 'It's worth negative $200.' Bummer! Madison got the rock when he was just 10 years old, so he was pretty stunned.

  7. Coober Pedy - Wikipedia

    en.wikipedia.org/wiki/Coober_Pedy

    While opal mining around the town had slumped in the early 1940s, it picked up after a local Aboriginal woman, Tottie Bryant, discovered a large deposit in 1945. [24] In August 1956 at the 'Eight Mile' opal field, the Olympic Australis opal was found approximately 30 feet below the ground. It is the largest and one of the most valuable opals ...

  8. 30 Color Photos Photographers Took 100 Years Ago That Still ...

    www.aol.com/44-old-color-photos-showing...

    Image credits: Detroit Photograph Company Historians date the oldest photograph to 1826 France. At least that's the oldest one that we know of today. That's when Joseph Nicéphore Niépce started ...

  9. Fire of Australia opal - Wikipedia

    en.wikipedia.org/wiki/Fire_of_Australia_Opal

    Around ninety percent of the world's opals are found in South Australia. [1] [3] After its discovery in 1946, the opal remained in Bartram's family until 2017, when it was sold to the South Australian Museum. [4] The opal was sold for A$500,000, despite its estimated market value of A$900,000, [3] [5] to ensure that it remained uncut. [4]