English dictionary
glauconite
/'gl/O/k/@/,n/aI/t/
Definitions, examples, synonyms and antonyms from WordNet 3.0.
noun
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a green mineral consisting of hydrated silicate of potassium or iron or magnesium or aluminum; found in greensand
Source: WordNet 3.0
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The green mineral characteristic of the greensand of the chalk and other formations. It is a hydrous silicate of iron and potash. See <u>Greensand</u>.
Source: webster1913