Fibrolite
Pronunciation : Fi"bro*lite ( or )
Part of Speech : n.
Etymology : [L. fibra a fiber + -lite: cf. F. fibrolithe.] (Min.)
Definition : Defn: A silicate of alumina, of fibrous or columnar structure. It is like andalusite in composition; -- called also sillimanite, and bucholizite.
Source : Webster's Unabridged Dictionary, 1913