Fassaite n. : A variety of pyroxene, from the valley of Fassa, in the Tyrol.

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Taxonomy
Fassaite, mineral, Silicate mineral, free encyclopedia, Augite, Silicate, Italy, search, low iron, iron content, Fassa, authorities, high pressure, interface, volcanic rocks, limestone, Silicate minerals, Personal tools.

Defination from the web:
... Retrieved from "http://en.wikipedia.org/wiki/Fassaite" ...