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andradite
(an′drə dīt′)
noun
a variety of garnet, CaFe(SiO), sometimes used as a gem
Origin: after J. B. de Andrada (c. 1763-1838), Brazilian geologist
See andradite in American Heritage Dictionary 4
noun
A green to brown or black calcium-iron garnet, Ca3Fe2(SiO4)3.
Origin:
Origin: After José Bonifácio de Andrada e Silva
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