Tantalite

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Tantalite \Tan"ta*lite\, n. [Cf. F. tantalite.] (Min.)
     A heavy mineral of an iron-black color and submetallic
     luster. It is essentially a tantalate of iron.
     [1913 Webster]

From WordNet (r) 2.0 [wn]:



  tantalite
       n : a mineral consisting of tantalum oxide of iron and manganese
           that occurs with niobite or in coarse granite; an ore of
           tantalum