omphacite
[om-fuh-sahyt]
- a pale-green variety of pyroxene similar to olivine, found in eclogite.
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Origin of omphacite
1820–30; < German Omphazit < Greek omphakī́tēs green stone, equivalent to omphak- (stem of ómphax) unripe grape + -ītēs -ite1
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Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for omphacite
Historical Examples
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.