| peridot | <chemical> Chrysolite. Origin: F. Peridot. Source: Websters Dictionary (01 Mar 1998) |
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| peridotite | <chemical> An eruptive rock characterised by the presence of chrysolite (peridot). It also usually contains pyroxene, enstatite, chromite, etc. It is often altered to serpentine. The chief diamond deposits in South Africa occur in a more or less altered peridotite. Origin: Cf. F. Peridotite. Source: Websters Dictionary (01 Mar 1998) |