diopside

noun di·op·side \dī-ˈäp-ˌsīd\

Definition of DIOPSIDE

: a green to white mineral that consists of pyroxene containing little or no aluminum

— di·op·sid·ic \ˌdī-ˌäp-ˈsi-dik\ adjective

French, from di- + Greek opsis appearance — more at optic

First Known Use: circa 1808

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