a velvet-black mineral, a complex columbate-tantalate of uranium, cerium, etc., occurring in masses: a minor source of uranium, thorium, and rare-earth oxides.

Origin of samarskite

< German Samarskit (1847), after Russian mining engineer V.E. Samarskiĭ-Bykhovets (1803–70); see -ite1 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for samarskite



a velvety black mineral of complex composition occurring in pegmatites: used as a source of uranium and certain rare earth elements

Word Origin for samarskite

C19: named after Colonel von Samarski, 19th-century Russian inspector of mines
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