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The Collaborative International Dictionary of English v.0.48 (gcide)

Olivine \Ol"i*vine\, n. [Cf. F. olivine.] (Min.)
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 PJC]


Chrysolite \Chrys"o*lite\, n. [L. chrysolithos, Gr. ?; chryso`s
gold ? stone: cf. F. chrysolithe.] (Min.)
A mineral, composed of silica, magnesia, and iron, of a
yellow to green color. It is common in certain volcanic
rocks; -- called also {olivine} and {peridot}. Sometimes used
as a gem. The name was also early used for yellow varieties
of tourmaline and topaz.
[1913 Webster]