释义 |
fers·man·ite noun also fers·man·nite \ˈfərzməˌnīt, -rsm-\ (-s) Etymology: Russian fersmanit, from Aleksandr E. Fersman died 1945 Russ. mineralogist + Russian -it -ite : a mineral (Na,Ca)2(Ti,Cb)Si(O,F)6 consisting of a silicate fluoride of sodium, calcium, titanium, and columbium |