ankaramite
noun
an·ka·ra·mite
ˌaŋkəˈräˌmīt
plural -s
: a melanocratic basaltic rock with a feldspar content greater than picrite and less than basalt and differing from picrite in containing more augite than olivine
Word History
Etymology
French, from Ankaramy, Madagascar + French -ite
First Known Use
1916, in the meaning defined above