Search Result for "zinnwaldite": 
Wordnet 3.0

NOUN (1)

1. a mica containing iron and lithium; 



The Collaborative International Dictionary of English v.0.48:

Zinnwaldite \Zinn"wald*ite\, n. [So called after Zinnwald, in
   Bohemia, where it occurs.] (Min.)
   A kind of mica containing lithium, often associated with tin
   ore.
   [1913 Webster]


WordNet (r) 3.0 (2006):

zinnwaldite
    n 1: a mica containing iron and lithium