a dark-colored, hard, radioactive, mineral, (Y,Ce,U,Ca,Fe,Pb,Th)(Nb,Ta,Ti,Sn)O, that is an ore of uranium or niobium
Origin of samarskitefrom Fr, after Colossians V. E. Samarski-Bykhovets (1803-70), Russian mining engineer
A velvet-black mineral that is a complex mixture of several rare-earth elements with niobium and tantalum oxide.
Origin of samarskiteAfter Vasili Evgrafovich Samarski -Bykhovets (1803-1870), Russian mining official who provided access to mineral samples from the Urals to the German mineralogists who first identified samarskite and analyzed its composition
After Vasilii Evgrafovich Samarski-Bykhovets in 1847.