'Fibrolite' definitions:

Definition of 'Fibrolite'

From: GCIDE

Fibrolite \Fi"bro*lite\ (? or ?), n. [L. fibra a fiber + -lite: cf. F. fibrolithe.] (Min.) A silicate of alumina, of fibrous or columnar structure. It is like andalusite in composition; -- called also sillimanite, and bucholzite. [1913 Webster]