abukumalite
noun
ab·u·ku·ma·lite
ˌabəˈküməˌlīt,
əˈbükəmə-
plural -s
: a mineral (Ca, Y)5(P, Si)3O12(OH, F) consisting of a phosphate-silicate of calcium and yttrium sometimes containing uranium or thorium
Word History
Etymology
Abukuma, river on Honshu Island, Japan + English -lite
First Known Use
1939, in the meaning defined above