franklinite

[ frangk-li-nahyt ]
/ ˈfræŋk lɪˌnaɪt /

noun

a mineral of the spinel group, an oxide of zinc, manganese, and iron, occurring in black octahedral crystals or in masses: formerly mined for zinc.

Origin of franklinite

1810–20, Americanism; named after Franklin, New Jersey, where it is found; see -ite1

Example sentences from the Web for franklinite

British Dictionary definitions for franklinite

franklinite
/ (ˈfræŋklɪˌnaɪt) /

noun

a black mineral consisting of an oxide of iron, manganese, and zinc: a source of iron and zinc. Formula: (Fe,Mn,Zn) (Fe,Mn) 2 O 4

Word Origin for franklinite

C19: from Franklin, New Jersey, where it is found, + -ite 1