noun
- Dark brown to black mica found in igneous and metamorphic rock. .
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). biotite. Retrieved September 21, 2026, from http://smartdefine.org/biotite/definitions/1247738 |
| Chicago | WordNet. 2010. "biotite" http://smartdefine.org/biotite/definitions/1247738 (accessed September 21, 2026). |
| Harvard | WordNet 2010, biotite, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/biotite/definitions/1247738>. |
| MLA | WordNet. "biotite" 23 October 2010. Web. 21 September 2026. <http://smartdefine.org/biotite/definitions/1247738> |