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spessartite

American  
[spes-er-tahyt] / ˈspɛs ərˌtaɪt /

noun

  1. Mineralogy. a yellow or red manganese-aluminum garnet, used as a semiprecious gem.

spessartite British  
/ ˈspɛsəˌtaɪt /

noun

  1. a brownish red garnet that consists of manganese aluminium silicate and is used as a gemstone. Formula: Mn 3 Al 2 (SiO 4 ) 3

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of spessartite

1885–90; named after Spessart, a district in Bavaria, where it is found; see -ite 1

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.