glaucophane


From The Collaborative International Dictionary of English v.0.48:

Glaucophane \Glau"co*phane\, n. [Gr. glayko`s silvery, gray +
   fai`nesqai to appear.] (Min.)
   A mineral of a dark bluish color, related to amphibole. It is
   characteristic of certain crystalline rocks.
   [1913 Webster]
Feedback Form