Neodymium

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Revision as of 22:13, 9 April 2020 by Marcin (talk | contribs) (Created page with "https://en.wikipedia.org/wiki/Neodymium#Occurrence_and_production 38 mg per kg of crust - that is pretty abundant, though it's considered a rare earth.")
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https://en.wikipedia.org/wiki/Neodymium#Occurrence_and_production

38 mg per kg of crust - that is pretty abundant, though it's considered a rare earth.