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Webster 1913 Edition

Fassaite

Fas′sa-ite

,

Noun.

(Min.)

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

Webster 1828 Edition

Fassaite

FAS'SAITE

,

Noun.

A mineral, a variety of augite, found in the valley of Fassa, in the Tyrol.