biotite

Etymology
, named by in 1847 in honour of the French physicist, who, in 1816, researched the optical properties of mica, discovering many unique properties.

Noun

 * 1)  A dark brown mica; it is a mixed aluminosilicate and fluoride of potassium, magnesium and iron.

Translations

 * Armenian:
 * Catalan: biotita
 * Czech: biotit
 * Dutch: biotiet
 * Esperanto: biotito
 * Estonian: biotiit
 * Finnish:
 * French:
 * Galician:
 * German: Biotit
 * Icelandic: bíótít
 * Italian: biotite
 * Japanese:
 * Norwegian:
 * Bokmål: biotitt
 * Nynorsk: biotitt
 * Polish: biotyt
 * Portuguese: biotita
 * Romanian:
 * Russian:
 * Serbo-Croatian:
 * Cyrillic: био̀тӣт
 * Roman:
 * Slovak: biotit
 * Slovene: biotít
 * Spanish:
 * Turkish: