A deep red garnet, Mg3Al2Si3O12, used as a gem.(noun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "pyrope" in a sentence
"These had a composition between almandite and pyrope, that is, they had both magnesium and iron with aluminum and silica."
""pyrope," the deeper and richer tints being designated "carbuncle," from the Latin _carbunculus_, a little coal, because when this beautiful variety of the "noble" garnet is held up between the eyes and the sun, it is no longer a deep, blood-red, but has exactly the appearance of a small piece of live or glowing coal, the scarlet portion of its colour-mixture being particularly evident."
"These were inlaid with cut spessartine and pyrope."