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glauconite

play
noun glau·co·nite \ˈglȯ-kə-ˌnīt\

Definition of glauconite

  1. :  a mineral consisting of a dull green earthy iron potassium silicate occurring in greensand

glauconitic

play \ˌglȯ-kə-ˈni-tik\ adjective


Origin and Etymology of glauconite

German Glaukonit, irregular from Greek glaukos


First Known Use: 1836


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to lessen in amount, effect, or force

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