Definition of "pyroxenite" [py•rox•e•nite]

• An igneous rock consisting chiefly of pyroxenes. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "The phlogopite mica of Canada occurs in pyroxenite dikes."
• "Chromite is a common minor constituent of basic igneous rocks of the peridotite and pyroxenite type."
• "The main mineralized body dominantly consists of oxide-bearing pyroxenite and peridotite, and massive and semi-massive iron and titanium oxide."