pyrope

American  

[pahy-rohp] / ˈpaɪ roʊp /

noun

1. a mineral, magnesium-aluminum garnet, Mg 3 Al 2 Si 3 O 1 2 , occurring in crystals of varying shades of red, and frequently used as a gem.

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pyrope British  

/ ˈpaɪrəʊp /

noun

1. a deep yellowish-red garnet that consists of magnesium aluminium silicate and is used as a gemstone. Formula: Mg 3 Al 2 (SiO 4 ) 3

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Etymology

Origin of pyrope

1300–50; Middle English pirope < Latin pyrōpus gold-bronze < Greek pyrōpós literally, fire-eyed, equivalent to pyr- pyr- + ōp- (stem of ṓps ) eye + -os adj. suffix

Example Sentences

It seems related to both almandine and pyrope, and shows the absorption-spectrum of almandine.

From Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 4 "G" to "Gaskell, Elizabeth" by Various

These had a composition between almandite and pyrope, that is, they had both magnesium and iron with aluminum and silica.

From A Text-Book of Precious Stones for Jewelers and the Gem-Loving Public by Wade, Frank Bertram

The other minerals found in the concentrates are pebbles and fragments of pyrope, zircon, cyanite, chrome-diopside, enstatite, a green pyroxene, mica, ilmenite, magnetite, chromite, hornblende, olivine, barytes, calcite and pyrites.

From Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 4 "Diameter" to "Dinarchus" by Various

The pyrope garnets are, as the name literally implies, of fire red color, as a rule, but they also may be purplish in color.

From A Text-Book of Precious Stones for Jewelers and the Gem-Loving Public by Wade, Frank Bertram

Similarly the pyrope garnet of the diamond mines of South Africa is incorrectly called "Cape ruby."

From A Text-Book of Precious Stones for Jewelers and the Gem-Loving Public by Wade, Frank Bertram