Ottrelite

Ottrelite is a form of chloritoid. Its empirical formula is (Mn,Fe,Mg)2Al4Si2O10(OH)4. ...
Found on http://en.wikipedia.org/wiki/Ottrelite

Ottrelite

• (n.) A micaceous mineral occurring in small scales. It is characteristic of certain crystalline schists.
Found on http://thinkexist.com/dictionary/meaning/ottrelite/

Ottrelite

Ot'trel·ite noun [ From Ottrez , on the borders of Luxembourg.] (Min.) A micaceous mineral occurring in small scales. It is characteristic of certain crystalline schists.
Found on http://www.encyclo.co.uk/webster/O/41

ottrelite

manganese-rich variety of the silicate mineral chloritoid (q.v.).[1 related articles]
Found on http://www.britannica.com/eb/a-z/o/39
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