biotite

biotite (bĪˈətĪtˌ) [key], iron-rich variety of phlogopite, most abdunant of the mica minerals.

The Columbia Electronic Encyclopedia, 6th ed. Copyright © 2012, Columbia University Press. All rights reserved.

See more Encyclopedia articles on: Mineralogy and Crystallography

Play Hangman

Play Poptropica

Play Same Game

Try Our Math Flashcards