omphacite
noun
om·pha·cite
ˈäm(p)fəˌsīt
plural -s
: a mineral consisting of a grass-green granular or foliated pyroxene found in the rock eclogite
Word History
Etymology
German omphazit, from Greek omphakitēs green stone, from omphak-, omphax unripe grape + -itēs -ite