abukumalite
noun
ab·u·ku·ma·lite
| \ ˌabəˈküməˌlīt, əˈbükəmə-\
plural -s
Definition of abukumalite
: a mineral (Ca, Y)5(P, Si)3O12(OH, F) consisting of a phosphate-silicate of calcium and yttrium sometimes containing uranium or thorium
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