zoisite

[ zoi-sahyt ]

noun

, Mineralogy.

1. an orthorhombic dimorph of clinozoisite.

zoisite

/ ˈzɔɪˌsaɪt /

noun

1. a grey, brown, or pink mineral consisting of hydrated calcium aluminium silicate in orthorhombic crystalline form. Formula: Ca 2 Al 3 (SiO 4 ) 3 (OH)

Word History and Origins

Origin of zoisite¹

1795–1805; named after Baron S. Zois von Edelstein (1747–1819), Slovenian nobleman who discovered it; -ite ¹

Word History and Origins

Origin of zoisite¹

C19: from German Zoisit; named after Baron Sigismund Zois von Edelstein (1747–1819), Slovenian nobleman; see -ite ¹