Wordnet 3.0
NOUN (1)
1. 
 a grey mineral consisting of cobalt arsenide and nickel; 
 an important source of cobalt and nickel; 
The Collaborative International Dictionary of English v.0.48:
Smaltine \Smalt"ine\, Smaltite \Smalt"ite\, n. [See Smalt.]
   (Min.)
   A tin-white or gray mineral of metallic luster. It is an
   arsenide of cobalt, nickel, and iron. Called also
   speiskobalt.
   [1913 Webster]
WordNet (r) 3.0 (2006):
smaltite
    n 1: a grey mineral consisting of cobalt arsenide and nickel; an
         important source of cobalt and nickel