noun \pī-ˈräk-sə-ˌnīt, pə-\

Definition of PYROXENITE

:  an igneous rock that is free from olivine and is composed essentially of pyroxene
py·rox·e·nit·ic \-ˌräk-sə-ˈni-tik\ adjective

First Known Use of PYROXENITE



noun    (Concise Encyclopedia)

Dark medium- to coarse-grained igneous rock that consists chiefly of pyroxene. Accessory minerals include hornblende, biotite, or olivine. Pyroxenites are not abundant.


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