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arfvedsonite

American

[ahr-vid-suh-nahyt] / ˈɑr vɪd səˌnaɪt /

noun

Mineralogy.

a sodium-rich amphibole, occurring in green to black crystals in alkalic rocks.

Etymology

Origin of arfvedsonite

1830–40; named after J. A. Arfvedson (died 1841), Swedish chemist; see -ite ¹

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.