pyrope(redirected from Cape Ruby)
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A deep red garnet, Mg3Al2Si3O12, used as a gem.
(Minerals) a deep yellowish-red garnet that consists of magnesium aluminium silicate and is used as a gemstone. Formula: Mg3Al2(SiO4)3
[C14 (used loosely of a red gem; modern sense C19): from Old French pirope, from Latin pyrōpus bronze, from Greek purōpus fiery-eyed, from pur fire + ōps eye]
a mineral, magnesium-aluminum garnet, Mg3Al2Si3O12, occurring in crystals of varying shades of red, and frequently used as a gem.
[1300–50; Middle English pirope < Latin pyrōpus gold-bronze < Greek pyrōpós literally, fiery-eyed]