- a pale-green variety of pyroxene similar to olivine, found in eclogite.
Origin of omphacite
1820–30; < German Omphazit < Greek omphakī́tēs green stone, equivalent to omphak- (stem of ómphax) unripe grape + -ītēs -ite1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for omphacite
With omphacite and smaragdite, garnet forms the peculiar rock called eclogite.
Omphacite, om′fa-sīt, n. a grass-green granular variety of pyroxene, one of the constituents of eclogite.
Typically they consist of pale green or nearly colourless augite (omphacite), green hornblende and pink garnet.