• Menaccanite

    Origin

    Menaccan + -ite, after the place in Cornwall where it was first found.

    Full definition of menaccanite

    Noun

    menaccanite

    (countable and uncountable; plural menaccanites)
    1. (mineralogy) A black or steel-grey mineral consisting chiefly of the oxides of iron and titanium.

    Synonyms

    © Wiktionary