samarskite

2 definitions found

samarskite - Collaborative International Dictionary of English v.0.48 :

  Samarskite \Sa*mar"skite\, a. [After Samarski, a Russian.]
     (Min.)
     A rare mineral having a velvet-black color and submetallic
     luster. It is a niobate of uranium, iron, and the yttrium and
     cerium metals.
     [1913 Webster]

samarskite - WordNet (r) 2.1 (2005) :

  samarskite
      n 1: a complex black mineral occurring in pegmatites