Fi'bro·lite noun [ Latin fibra a fiber + -lite : confer French fibrolithe .] (Min.) A silicate of alumina, of fibrous or columnar structure. It is like andalusite in composition; -- called also sillimanite , and bucholizite . Found on http://www.encyclo.co.uk/webster/F/25
• (n.) A silicate of alumina, of fibrous or columnar structure. It is like andalusite in composition; -- called also sillimanite, and bucholizite. Found on http://thinkexist.com/dictionary/meaning/fibrolite/