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How does tourmaline produce negative ion ?

  1. Sep 27, 2011 #1
    How does tourmaline produce negative ions ?

    Where those negative ions come from ?

    I know that negative ions is simply atoms with 1 extra electron so where they come from ?

    I also know that volcanic ash also produce negative ion same question ?
  2. jcsd
  3. Sep 28, 2011 #2


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    Staff Emeritus
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    If you don't get any answers here try the general or classical forums, as this isn't a purely quantum physics question.
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