biotite
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English
Etymology
Biot + -ite, named by J.F.L. Hausmann in 1847 in honour of the French physicist Jean-Baptiste Biot, who, in 1816, researched the optical properties of mica, discovering many unique properties.
Pronunciation
Noun
biotite (countable and uncountable, plural biotites)
- (mineralogy) A dark brown mica; it is a mixed aluminosilicate and fluoride of potassium, magnesium and iron.
Derived terms
Translations
dark brown mica
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Further reading
- David Barthelmy (1997–2024) “Biotite”, in Webmineral Mineralogy Database.
- “biotite”, in Mindat.org, Hudson Institute of Mineralogy, 2000–2024.
French
Pronunciation
Audio: (file)
Noun
biotite f (plural biotites)
Further reading
- “biotite”, in Trésor de la langue française informatisé , 2012.
Italian
Noun
biotite f (plural biotiti)