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  2. Mining in Ethiopia - Wikipedia

    en.wikipedia.org/wiki/Mining_in_Ethiopia

    More and more gold mines are being located, such as in the Afar region and in the Konso woreda in south western Ethiopia. [8] On 30 August 2012 it was announced that British firm Nyota Minerals was about to become the first foreign company to receive a mining licence to extract gold from an estimated resource of 52 tonnes in western Ethiopia. [9]

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

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

    It literally glows in the dark. In fact, as it gets darker around the opal, the opal appears ever more vibrant. ... The Today Show. ... 3 renewable energy stocks to buy in 2025 and hold for decades.

  4. Opal - Wikipedia

    en.wikipedia.org/wiki/Opal

    The Wollo Province opal was different from the previous Ethiopian opal finds in that it more closely resembled the sedimentary opals of Australia and Brazil, with a light background and often vivid play-of-color. [38] Wollo Province opal, more commonly referred to as "Welo" or "Wello" opal, has become the dominant Ethiopian opal in the gem ...

  5. Category:Opals - Wikipedia

    en.wikipedia.org/wiki/Category:Opals

    Main page; Contents; Current events; Random article; About Wikipedia; Contact us; Pages for logged out editors learn more

  6. Flame Queen Opal - Wikipedia

    en.wikipedia.org/wiki/Flame_Queen_Opal

    The Flame Queen Opal is perhaps the best-known example of "eye-of-opal", an eye-like effect created when opal in-fills a cavity. [ 1 ] The Flame Queen's flat central raised dome flashes red or gold depending on the angle of view, and is surrounded by a band of deep blue-green, giving the stone an appearance somewhat like that of a fried egg.

  7. Aksumite currency - Wikipedia

    en.wikipedia.org/wiki/Aksumite_currency

    5th-century gold coin of King Ezana.. Aksumite currency was coinage produced and used within the Kingdom of Aksum (or Axum) centered in present-day Ethiopia and Eritrea.Its mintages were issued and circulated from the reign of King Endubis around AD 270 until it began its decline in the first half of the 7th century where they started using Dinar along with most parts of the Middle East.

  8. Halley's Comet Opal - Wikipedia

    en.wikipedia.org/wiki/Halley's_Comet_Opal

    The Halley's Comet Opal is a very fine specimen, with few flaws or blemishes and a large green and orange 1.6 cm (0.63 in) thick color bar which goes through the opal. Formed about 20 million years ago, it is an example of a nobby, which is a natural lump-shaped opal found only at Lightning Ridge. [2] As of 2006 it was for sale at $1.2 million. [3]

  9. 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).

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