Saussurite
Pronunciation : Saus"sur*ite
Part of Speech : n.
Etymology : [F. So called from M. Saussure.] (Min.)
Definition : Defn: A tough, compact mineral, of a white, greenish, or grayish color. It is near zoisite in composition, and in part, at least, has been produced by the alteration of feldspar.
Source : Webster's Unabridged Dictionary, 1913