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spessartite

[spes-er-tahyt]
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noun
  1. Mineralogy. a yellow or red manganese-aluminum garnet, used as a semiprecious gem.

Origin of spessartite

1885–90; named after Spessart, a district in Bavaria, where it is found; see -ite1
Also called spes·sart·ine [spes-er-teen, -tin] /ˈspɛs ərˌtin, -tɪn/.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for spessartite

spessartite

spessartine

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

Word Origin

C19: named after Spessart, mountain range in Germany
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