The Collaborative International Dictionary of English v.0.48:
Paragonite \Pa*rag"o*nite\, n. [From Gr. ?, p. pr. of ? to mislead.] (Min.) A kind of mica related to muscovite, but containing soda instead of potash. It is characteristic of the paragonite schist of the Alps. [1913 Webster]WordNet (r) 3.0 (2006):
paragonite n 1: a colorless or pale brown mica with sodium