andradite

(andrə 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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andradite

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