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  2. Lepidolite - Wikipedia

    en.wikipedia.org/wiki/Lepidolite

    Lepidolite is associated with other lithium-bearing minerals like spodumene in pegmatite bodies. It is the major source of the alkali metal rubidium. [13] In 1861, Robert Bunsen and Gustav Kirchhoff extracted 150 kg (330 lb) of lepidolite to yield a few grams of rubidium salts for analysis, and therefore discovered the new element rubidium. [14 ...

  3. New World (video game) - Wikipedia

    en.wikipedia.org/wiki/New_World_(video_game)

    New World is a massively multiplayer online role-playing game (MMORPG) developed by Amazon Games Orange County and published by Amazon Games released on September 28, 2021. [ 2 ] [ 3 ] [ 4 ] The game was previously scheduled to release in May 2020 and subsequently August 2021, but was delayed until its worldwide release on September 28, 2021.

  4. Harding Pegmatite Mine - Wikipedia

    en.wikipedia.org/wiki/Harding_Pegmatite_Mine

    The Harding Pegmatite Mine is a former adit mine that extracted lithium, tantalum, and beryllium from a Precambrian pegmatite sill.It ceased operations in 1958 and its owner, Arthur Montgomery, donated it to the University of New Mexico, which runs the site as an outdoor geology laboratory with mineral collecting permitted on a small scale.

  5. Pegmatite - Wikipedia

    en.wikipedia.org/wiki/Pegmatite

    The majority of the world's beryllium is sourced from non-gem quality beryl within pegmatite. [29] Tantalum, niobium, and rare-earth elements are sourced from a few pegmatites worldwide, such as the Greenbushes Pegmatite , [ 30 ] the Kibara Belt of Rwanda and Democratic Republic of the Congo , the Kenticha mine of Ethiopia the Alto Ligonha ...

  6. China’s discovery of never-before-seen ore could propel ...

    www.aol.com/china-discovery-never-seen-ore...

    A never-before-seen ore containing vast quantities of an element widely used in semiconductors has been found in China in a discovery that could propel new advances in battery technology.

  7. Pellet (steel industry) - Wikipedia

    en.wikipedia.org/wiki/Pellet_(steel_industry)

    Crushing: The iron ore is first finely crushed to separate the valuable iron ore from non-valuable gangue materials. Enrichment: Depending on the ore's characteristics, enrichment is achieved through grinding (which can be conducted in multiple phases and may use either dry or wet methods) and by employing magnetic separation and flotation ...

  8. Metallurgy in pre-Columbian America - Wikipedia

    en.wikipedia.org/wiki/Metallurgy_in_pre...

    Iron was never smelted by Native Americans, thus the New World never entered a proper "Iron Age" before European discovery, and the term is not used of the Americas. But there was limited use of native (unsmelted) iron ore, from magnetite, iron pyrite and ilmenite (iron–titanium), especially in the Andes (Chavin and Moche cultures) and ...

  9. Minette (ore) - Wikipedia

    en.wikipedia.org/wiki/Minette_(ore)

    The high point of ore production was reached with 62 million tons in France and 6 million tons in Luxembourg in 1960. Currently, after 150 years of mining, approximately 3 billion tons of ore have been produced. The relatively low iron content, however, meant that Lotharingian Minette-ore was successively replaced by more highly concentrated ...

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