Pyroxenite
[pahy-rok-suh-nahyt, puh-] /paɪˈrɒk səˌnaɪt, pə-/
noun, Petrology.
1.
any rock composed essentially, or in large part, of of any kind.
/paɪˈrɒksɪˌnaɪt/
noun
1.
a very dark coarse-grained ultrabasic rock consisting entirely of pyroxene minerals
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