biotite
noun/ˈbaɪəˌtaɪt/
Etymology From 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.
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Chemistry, Geography, Geology, Mineralogy, Natural sciences, Physical sciences A dark brown mica; it is a mixed aluminosilicate and fluoride of potassium, magnesium and iron.
- Derived terms
- biopyribole, biotitic, biotitize, hydrobiotite