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  2. Pyrargyrite - Wikipedia

    en.wikipedia.org/wiki/Pyrargyrite

    Pyrargyrite is a sulfosalt mineral consisting of silver sulfantimonite, Ag 3 SbS 3.Known also as dark red silver ore, ruby blende, garnete blende or ruby silver, it is an important source of the metal.

  3. Mining in Cornwall and Devon - Wikipedia

    en.wikipedia.org/wiki/Mining_in_Cornwall_and_Devon

    The wheelpit at Huntingdon mine Crockern Tor – Parliament Rock as seen from the "floor" of the Great Court A statue commemorating Cornish and German miners in Bendigo, Victoria, Australia. In 1305 King Edward I established separate stannaries for Devon and Cornwall. Water was used to operate stamps to crush the ore, the lighter waste being ...

  4. List of rock types - Wikipedia

    en.wikipedia.org/wiki/List_of_rock_types

    The following is a list of rock types recognized by geologists.There is no agreed number of specific types of rock. Any unique combination of chemical composition, mineralogy, grain size, texture, or other distinguishing characteristics can describe a rock type.

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  6. Lode - Wikipedia

    en.wikipedia.org/wiki/Lode

    It is so named because of the irregular branching of the veins into many anastomosis stringers, so that the ore is not separable from the country rock. [ 5 ] One of the largest silver lodes was the Comstock Lode in Nevada, [ 6 ] although it is overshadowed by the more recently discovered Cannington Lode in Queensland, Australia.

  7. Refining (metallurgy) - Wikipedia

    en.wikipedia.org/wiki/Refining_(metallurgy)

    In hydrolysis, the noble-metalliferous products are dissolved either in aqua regia (consisting of hydrochloric acid and nitric acid) or in a hydrochloric acid and chlorine gas in solution. Subsequently, certain metals can be precipitated or reduced directly with a salt, gas, organic, and/or nitro hydrate connection.

  8. Cornwall and West Devon Mining Landscape - Wikipedia

    en.wikipedia.org/wiki/Cornwall_and_West_Devon...

    The Cornwall and West Devon Mining Landscape is a World Heritage Site which includes select mining landscapes in Cornwall and West Devon in the south west of England.The site was added to the World Heritage List during the 30th Session of the UNESCO World Heritage Committee in Vilnius, July 2006.

  9. Ore - Wikipedia

    en.wikipedia.org/wiki/Ore

    Iron ore (banded iron formation) Manganese ore – psilomelane (size: 6.7 × 5.8 × 5.1 cm) Lead ore – galena and anglesite (size: 4.8 × 4.0 × 3.0 cm). Ore is natural rock or sediment that contains one or more valuable minerals, typically including metals, concentrated above background levels, and that is economically viable to mine and process.

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