Glauconite meaning

glô'kə-nīt'
A greenish mineral of the mica group, a hydrous silicate of potassium, iron, aluminum, or magnesium, (K,Na)(Al,Fe,Mg)2 (Al,Si)4 O10 (OH)2 , found in greensand and used as a fertilizer and water softener.
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A greenish silicate of iron and potassium, a kind of mica found in greensand.
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(mineralogy) A greenish form of mica found in greensand.
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Origin of glauconite

  • German Glaukonit Greek glaukon neuter of glaukos gray –ite
    From American Heritage Dictionary of the English Language, 5th Edition