biotite
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
- IPA(key): /ˈbaɪəˌtaɪt/
Noun
biotite (countable and uncountable, plural biotites)
- (mineralogy) A dark brown mica; it is a mixed aluminosilicate and fluoride of potassium, magnesium and iron.
Translations
dark brown mica
Further reading
- “Biotite” in David Barthelmy, Webmineral Mineralogy Database, 1997–.
- “biotite”, in Mindat.org, Hudson Institute of Mineralogy, accessed 29 August 2016.
French
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