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  2. 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. [37] Wollo Province opal, more commonly referred to as "Welo" or "Wello" opal, has become the dominant Ethiopian opal in the gem ...

  3. File:Black opal (Stayish Mine, Wollo Province, Ethiopia) 6 ...

    en.wikipedia.org/wiki/File:Black_opal_(Stayish...

    Description: Precious opal (black opal) from the Tertiary of Ethiopia. (cut & faceted specimen; the long axis is 8 to 9 mm) A mineral is a naturally-occurring, solid, inorganic, crystalline substance having a fairly definite chemical composition and having fairly definite physical properties.

  4. Mining in Ethiopia - Wikipedia

    en.wikipedia.org/wiki/Mining_in_Ethiopia

    The country has deposits of coal, opal, gemstones, kaolin, iron ore, soda ash, and tantalum, but only gold is mined in significant quantities. In Salt extraction from salt beds in the Afar Depression , as well as from salt springs in Dire and Afder districts in the south, is only of internal importance and only a negligible amount is exported.

  5. Talk:Opal - Wikipedia

    en.wikipedia.org/wiki/Talk:Opal

    As mentioned in Wikipedia, there is a smoked black opal from EThiopia. This is not true because there is no shortage of opal in Ethiopia and Ethiopian people are not in the business of faking other people in regards to their opals. Wikipedia is typically known for having educational material that is non-biased.

  6. 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

  7. Category:Opals - Wikipedia

    en.wikipedia.org/wiki/Category:Opals

    This page was last edited on 3 November 2021, at 20:26 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.

  8. Ethiopia - Wikipedia

    en.wikipedia.org/wiki/Ethiopia

    Ethiopia, [c] officially the Federal Democratic Republic of Ethiopia, is a landlocked country located in the Horn of Africa region of East Africa. It shares borders with Eritrea to the north , Djibouti to the northeast , Somalia to the east , Kenya to the south , South Sudan to the west , and Sudan to the northwest .

  9. Danakil Depression - Wikipedia

    en.wikipedia.org/wiki/Danakil_Depression

    Erta Ale erupting within the Danakil Depression Mount Ayalu, the westernmost and older of two volcanoes at the southern end of the Danakil Depression. The Danakil Depression is the northern part of the Afar Triangle or Afar Depression in Ethiopia and Eritrea, [1] [2] a geological depression that has resulted from the divergence of three tectonic plates in the Horn of Africa.

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