First Known Use: 1836
Dictionary
glauconite
noun glau·co·nite \ˈglȯ-kə-ˌnīt\
Definition of GLAUCONITE
: a mineral consisting of a dull green earthy iron potassium silicate occurring in greensand
— glau·co·nit·ic \ˌglȯ-kə-ˈni-tik\ adjective
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Origin of GLAUCONITE
German Glaukonit, irregular from Greek glaukos
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