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A deep red garnet, Mg3Al2Si3O12, used as a gem.

[Middle English pirope, from Old French, from Latin pyrōpum, gold-bronze alloy, from Greek purōpos, fiery, kind of red bronze : puro-, pyro- + ōps, ōp-, eye, face; see okw- in Indo-European roots.]


(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]


(ˈpaɪ roʊp)

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]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.pyrope - a deep red garnet used as a gemstone
garnet - any of a group of hard glassy minerals (silicates of various metals) used as gemstones and as an abrasive
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References in periodicals archive ?
The cushion-shaped brooch pictured here is set with pyrope garnets, which are the commonest variety of this gemstone.
Pyrope garnets are one of the best indicator minerals for the presence of kimberlites.
Abundant indicator minerals were recovered from both kimberlites and include pyrope garnets, chromites, picroilmenites, Cr-diopside orthopyroxene and olivine.
The results reported here include numerous G10 pyrope garnets with diamond inclusion chemistry.
The samples also contained peridotitic and eclogitic pyrope garnets whose chemical characteristics are indicative of the presence of diamond-bearing material.
Till samples collected within the boundaries of the anomaly have returned six diamonds and indicator minerals, such as eclogitic pyrope garnets, that have favourable chemical characteristics.