micaceous

from WordNet (r) 3.0 (2006)

micaceous
    adj 1: hydrous silicates of or relating to or resembling mica

from The Collaborative International Dictionary of English v.0.48

Micaceous \Mi*ca"ceous\, a. [Cf. F. micac['e].]
   Pertaining to, or containing, mica; splitting into laminae or
   leaves like mica.
   [1913 Webster]