a mineral, calcium-iron garnet, Ca3Fe2Si3O2, occurring in brown, green, or black crystals.

Origin of andradite

1830–40; named after J. B. de Andrada e Silva; see -ite1 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for andradite

Historical Examples of andradite

British Dictionary definitions for andradite



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

Word Origin for andradite

C19: named after J. B. d' Andrada e Silva (1763–1838), Brazilian mineralogist; see -ite 1
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