Samarskite
Origin
After Vasili Samarsky-Bykhovets in 1847.
Richard V. Gaines, H. Catherine W. Skinner, Eugene E. Foord, Brian Mason, and Abraham Rosenzweig: Dana's new mineralogy, John Wiley & Sons, 1997
Noun
samarskite
(plural samarskites)- (mineralogy) A shiny black radioactive mineral that contains a complex mixture of rare earth oxides