Word Study
olivine
CIDE DICTIONARY
olivine, n. [Cf. F. olivine.].
A common name of the yellowish green mineral chrysolite, esp. the variety found in eruptive rocks. It is a silicate of magnesium and iron ((Mg,Fe)SiO4 ). [1913 Webster]
OXFORD DICTIONARY
olivine, n. Mineral. a naturally occurring form of magnesium-iron silicate, usu. olive-green and found in igneous rocks.
For further exploring for "olivine" in Webster Dictionary Online