enow.com Web Search

Search results

1. Results from the WOW.Com Content Network

2. 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

3. Opal - Wikipedia

   en.wikipedia.org/wiki/Opal

   The Mintabie Opal Field in South Australia located about 250 km (160 mi) northwest of Coober Pedy has also produced large quantities of crystal opal and the rarer black opal. Over the years, it has been sold overseas incorrectly as Coober Pedy opal. The black opal is said to be some of the best examples found in Australia.

4. Halley's Comet Opal - Wikipedia

   en.wikipedia.org/wiki/Halley's_Comet_Opal

   The Halley's Comet Opal is the largest uncut black opal in the world, according to the Guinness Book of World Records. It is so named because it was unearthed in 1986, a year when Halley's Comet could be seen from Earth. It is the third largest gem grade black opal ever recorded, the largest one extant, and the largest specimen ever found in ...

5. Mintabie, South Australia - Wikipedia

   en.wikipedia.org/wiki/Mintabie,_South_Australia

   Mintabie is an opal mining community in ... they traded in black opals at ... supply most of the world’s precious opal. The estimated value of raw opal production ...

6. Gemstone - Wikipedia

   en.wikipedia.org/wiki/Gemstone

   Black Opal – the rarest type of opal. Black opal is directly mined in New South Wales, Australia, making it the rarest type of opal. Having a darker composition, this gemstone can be in a variety of colours. [72]

7. 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]