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noun zois·ite \ˈzȯi-ˌsīt\

Definition of zoisite

  1. :  an orthorhombic mineral that consists of a basic silicate of calcium and aluminum and is related to epidote

Origin and Etymology of zoisite

German Zoisit, from Sigismund Zois von Edelstein †1819 Slovene nobleman

First Known Use: circa 1805

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