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riebeckite

[ ree-be-kahyt ]
/ ˈri bɛˌkaɪt /
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noun
an amphibolic mineral, silicate of sodium and iron, occurring usually in feldspathoid rocks.
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Origin of riebeckite

1885–90; named after Emil Riebeck (died 1885), German explorer; see -ite1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

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