Adjacent Words

glauconite definitions

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WordNet (r) 3.0 (2005)

n
1: a green mineral consisting of hydrated silicate of potassium or iron or magnesium or aluminum; found in greensand

Merriam Webster's

noun Etymology: German Glaukonit, irregular from Greek glaukos Date: 1836 a mineral consisting of a dull green earthy iron potassium silicate occurring in greensand • glauconitic adjective

Webster's 1913 Dictionary

Glauconite Glau"co*nite, n. [Cf. F. glauconite, glauconie, fr. L. glaucus. See Glaucous.] (Min.) The green mineral characteristic of the greensand of the chalk and other formations. It is a hydrous silicate of iron and potash. See Greensand.