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andradite

   Also found in: Encyclopedia, Wikipedia 0.06 sec.
an·dra·dite  (n-drädt)
n.
A green to brown or black calcium-iron garnet, Ca3Fe2(SiO4)3.
[After José Bonifácio de Andrada e Silva.]
andradite [ˈændrəˌdaɪt]
n
(Earth Sciences / Minerals) a yellow, green, or brownish-black garnet that consists of calcium iron silicate and is used as a gemstone. Formula: Ca3Fe2(SiO4)3
[named after J. B. d'Andrada e Silva (1763-1838), Brazilian mineralogist; see -ite1]
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.andradite - a garnet consisting of calcium iron silicate and having any color ranging from yellow and green to brown and black; used as gemstone
garnet - any of a group of hard glassy minerals (silicates of various metals) used as gemstones and as an abrasive
demantoid - a green andradite used as a gemstone


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