hercynite

[hur-suh-nahyt]

noun

a black oxide mineral, FeAl2O4, of the spinel group.

Origin of hercynite

< German Hercynit (1839), equivalent to Latin Hercyn(ia silva) the Hercynian Forest (referring to the Erz Mountains and other wooded ranges N of the Danube) + German -it -ite¹

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

Examples from the Web for hercynite

Historical Examples of hercynite

Some of the alumina and iron oxide may occasionally be chemically combined, so as to form an iron spinel, or hercynite.
Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 3
Various