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andradite

American  
[an-druh-dahyt] / ˈæn drəˌdaɪt /

noun

  1. a mineral, calcium-iron garnet, Ca 3 Fe 2 Si 3 O 2 , occurring in brown, green, or black crystals.

andradite British  
/ ˈændrəˌdaɪt /

noun

  1. a yellow, green, or brownish-black garnet that consists of calcium iron silicate and is used as a gemstone. Formula: Ca 3 Fe 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 andradite

1830–40; named after J. B. de Andrada e Silva; see -ite 1

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

To andradite may be referred melanite, a black garnet well known from the volcanic tuffs near Rome, used occasionally in the 18th century for mourning jewelry.

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

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.