Min. [ad. G. zoisit, named by Werner after Baron von Zois, the discoverer.] A native silicate of alumina and lime, occurring in orthorhombic prismatic crystals, of various colors, white, green, or red.
1805. R. Jameson, Syst. Min., II. 597.
1843. Portlock, Geol., 209. Zoisite in fine crystals of a greyish brown or olive colour,… at Hollyhill, near Strabane, County Tyrone.
