Search Result for "argentite": 
Wordnet 3.0

NOUN (1)

1. a valuable silver ore consisting of silver sulfide (Ag2S); 



The Collaborative International Dictionary of English v.0.48:

Argentite \Ar"gen*tite\, n. [L. argentum silver.] (Min.)
   Sulphide of silver; -- also called vitreous silver, or
   silver glance. It has a metallic luster, a lead-gray color,
   and is sectile like lead.
   [1913 Webster]


WordNet (r) 3.0 (2006):

argentite
    n 1: a valuable silver ore consisting of silver sulfide (Ag2S)