fersmanite

noun

fers·​man·​ite

variants or less commonly fersmannite

ˈfərzməˌnīt,

-rsm-

plural -s

: a mineral (Na,Ca)₂(Ti,Cb)Si(O,F)₆ consisting of a silicate fluoride of sodium, calcium, titanium, and columbium

Word History

Etymology

Russian fersmanit, from Aleksandr E. Fersman †1945 Russian mineralogist + Russian -it -ite

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