birnessite

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English

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English Wikipedia has an article on:
Wikipedia

Etymology

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Birness +‎ -ite, after Birness, Aberdeenshire, Scotland, where it was first described.

Noun

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birnessite (plural birnessites)

  1. (mineralogy) A soft mineral, mostly containing manganese oxides, that occurs in manganese nodules.

Further reading

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  • David Barthelmy (1997–2024) “Birnessite”, in Webmineral Mineralogy Database.
  • birnessite”, in Mindat.org[1], Hudson Institute of Mineralogy, 2000–2024.