glauconite Hear it!

glauconite definition

glau·co·nite (glô′kə nīt′)

noun

a greenish silicate of iron and potassium, a kind of mica found in greensand

Etymology: Ger glaukonit < Gr glaukon, neut. of glaukos: see glauco-

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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