ilsemannite

noun

il·​se·​mann·​ite

ˈil(t)səməˌnīt,

ˈilzə-

plural -s

: a mineral Mo₃O₈·nH₂O(?) consisting of black, blue-black, or blue earthy massive hydrous oxide or perhaps sulfate of molybdenum

Word History

Etymology

German ilsemannit, from J. C. Ilsemann †1822 German mining commissioner + German -it -ite

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