navite
noun
na·vite
ˈnāˌvīt
plural -s
: a mineral consisting of a coarse-grained olivine-basalt with phenocrysts of altered olivine and a little augite and basic plagioclase in a holocrystalline groundmass of labradorite and augite
Word History
Etymology
German navit, from Latin Nava Nahe river, Germany + German -it -ite