pyrope


Also found in: Thesaurus, Encyclopedia, Wikipedia.
Related to pyrope: almandine

py·rope

 (pī′rōp′)
n.
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.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

pyrope

(ˈpaɪrəʊp)
n
(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]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

py•rope

(ˈpaɪ roʊp)

n.
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]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
Translations
Mentioned in ?
References in periodicals archive ?
Although magnetic signatures of known kimberlites are not indicative of diamond content, the potential of the Stein cluster of high interest targets is further reinforced by heavy mineral samples collected down ice which contain indicator mineral grains that are indicative of diamond inclusion chemistry showing high chrome, low calcium G10D pyrope garnets.
On the basis of the type, the global garnet market is segmented into almandine, andradite, grossular, pyrope, spessartine, and uvarovite.
The optical absorption spectra of the garnets almandine-pyrope, pyrope and spessartine and some structural interpretations of mineralogical significance.
Almandine, spessartine, grossular, uvarovite, andradite and pyrope are six minerals which are regarded as belonging to the garnet family.
Consider the (m - 1)-dimensional pyrope [P.sub.m-1] := conv ([[-1,0].sup.m-1] [union] [[1,0].sup.m-1]), i.e.
For the most part pyrope does not occur in collectible crystals; nevertheless, in "Pyrope from the Dora-Maira Massif" (Gilla Simon) collectors can learn about a geologically unique occurrence in Italy, and in "The Fiery-Eyed Volcanoes of Bohemia" (Jiri Kourimsky and Jaroslay Hyrsl) there's a sketch of the 2,000-year history of mining Bohemian gem pyropes which originate in Tertiary-age volcanic rocks.
The first of these is pyrope garnet, the name coming from the Greek word for fiery.
This property is host to pyrope beach sands dominated by favourable G10 pyrope mineral chemistry.
Figure 9 shows a theoretical background that has been fitted to a spectrum of pyrope garnet at 2.16 keV and 8.14 keV.