arfvedsonite

[ahr-vid-suh-nahyt]

noun Mineralogy.

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

Origin of arfvedsonite

1830–40; named after J. A. Arfvedson (died 1841), Swedish chemist; see -ite¹

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018