valentinite

[ val-uhn-ti-nahyt, -tee-nahyt ]

noun

1. a mineral, antimony trioxide, Sb 2 O 3 , formed by the oxidation of various minerals containing antimony and occurring in the form of white orthorhombic crystals.

Word History and Origins

Origin of valentinite¹

1855–60; < German Valentinit, named after Basil Valentine, 15th-century German alchemist; -ite ¹