franklinite

[frangk-li-nahyt]

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

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for franklinite

Historical Examples of franklinite

Commercially it is often made from franklinite in the following way.
An Elementary Study of Chemistry
William McPherson
Franklinite, a zinc-manganese ore, is also a common source of supply.
The A B C of Mining
Charles A. Bramble

British Dictionary definitions for franklinite

franklinite

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

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