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  2. Orapa diamond mine - Wikipedia

    en.wikipedia.org/wiki/Orapa_diamond_mine

    debswana.com. The Orapa diamond mine is the world's largest diamond mine by area. The mine is located in Orapa, a town in the Central District of Botswana about 240 km (150 mi) west of the city of Francistown. Orapa ("resting place for lions") is owned by Debswana, a partnership between the De Beers company and the government of Botswana. [ 1]

  3. List of websites blocked in mainland China - Wikipedia

    en.wikipedia.org/wiki/List_of_websites_blocked...

    A majority of apps and websites blocked are the result of the companies not willing to follow the Chinese government's internet regulations on data collection and privacy, user-safety, guidelines and the type of content being shared, posted or hosted. This is a list of the most notable such blocked websites in the country (except Autonomous area).

  4. Cullinan Diamond - Wikipedia

    en.wikipedia.org/wiki/Cullinan_Diamond

    Cullinan Diamond. The Cullinan Diamond is the largest gem-quality rough diamond ever found, [ 2] weighing 3,106 carats (621.20 g), discovered at the Premier No.2 mine in Cullinan, South Africa, on 26 January 1905. It was named after Thomas Cullinan, the owner of the mine. In April 1905, it was put on sale in London, but despite considerable ...

  5. List of search engines - Wikipedia

    en.wikipedia.org/wiki/List_of_search_engines

    Windows. IDOL Enterprise Desktop Search, HP Autonomy Universal Search. [ 5] Proprietary, commercial. Beagle. Linux. Open-source desktop search tool for Linux based on Lucene. Unmaintained since 2009. A mix of the X11/MIT License and the Apache License.

  6. Marange diamond fields - Wikipedia

    en.wikipedia.org/wiki/Marange_diamond_fields

    Marange diamond fields. Coordinates: 19°35′26″S 32°21′08″E. 400km. 250miles. Location of the Marange diamond fields roughly 90km south west of Mutare. The Marange diamond fields are an area of widespread small-scale diamond production in Chiadzwa, Mutare District, Zimbabwe. 'Although estimates of the reserves contained in this area ...

  7. Blood diamond - Wikipedia

    en.wikipedia.org/wiki/Blood_diamond

    Diamond mining in Sierra Leone. Blood diamonds (also called conflict diamonds, brown diamonds, hot diamonds, or red diamonds) are diamonds mined in a war zone and sold to finance an insurgency, an invading army's war efforts, terrorism, or a warlord 's activity. The term is used to highlight the negative consequences of the diamond trade in ...

  8. Gemstone - Wikipedia

    en.wikipedia.org/wiki/Gemstone

    Gemstone. Group of precious and semiprecious stones—both uncut and faceted—including ( clockwise from top left) diamond, uncut synthetic sapphire, ruby, uncut emerald, and amethyst crystal cluster. A gemstone (also called a fine gem, jewel, precious stone, semiprecious stone, or simply gem) is a piece of mineral crystal which, when cut or ...

  9. Jewellery - Wikipedia

    en.wikipedia.org/wiki/Jewellery

    The British crown jewels contain the Cullinan Diamond, part of the largest gem-quality rough diamond ever found (1905), at 3,106.75 carats (621.35 g). A diamond solitaire engagement ring Now popular in engagement rings , this usage dates back to the marriage of Maximilian I to Mary of Burgundy in 1477.