Search Result for "stibnite": 
Wordnet 3.0

NOUN (1)

1. a soft grey mineral; the chief ore of antimony;


The Collaborative International Dictionary of English v.0.48:

Stibnite \Stib"nite\, n. (Min.) A mineral of a lead-gray color and brilliant metallic luster, occurring in prismatic crystals; sulphide of antimony; -- called also antimony glance, and gray antimony. [1913 Webster]
WordNet (r) 3.0 (2006):

stibnite n 1: a soft grey mineral; the chief ore of antimony