cohenite

[ koh-uh-nahyt ]
/ ˈkoʊ əˌnaɪt /

noun

a rare microscopic mineral, carbide of iron, nickel, or cobalt, (Fe, Ni, Co)3C, found in lunar rocks and some meteorites.

Origin of cohenite

named after E. W. Cohen, 19th-century German mineralogist; see -ite1