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grossularite

American  
[gros-yuh-luh-rahyt] / ˈgrɒs yə ləˌraɪt /
Also grossular

noun

  1. a mineral, calcium aluminum garnet, Ca 3 Al 2 Si 3 O 12 , occurring in gray-white to pinkish crystals.


grossularite British  
/ ˈɡrɒsjʊləˌraɪt /

noun

  1. Also called: gooseberry stone.  a green or greenish-grey garnet, used as a gemstone. Formula: Ca 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 grossularite

1840–50; < New Latin grossulār ( ia ) gooseberry (irregular < French groseille ) + -ite 1