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A green mineral consisting of hydrated silicate of potassium or iron or magnesium or aluminum
Answer for the clue "A green mineral consisting of hydrated silicate of potassium or iron or magnesium or aluminum ", 10 letters:
glauconite
Alternative clues for the word glauconite
Word definitions for glauconite in dictionaries
Wiktionary
Word definitions in Wiktionary
n. (context mineral English) A greenish form of mica found in greensand.
Wikipedia
Word definitions in Wikipedia
Glauconite is an iron potassium phyllosilicate ( mica group) mineral of characteristic green color with very low weathering resistance and very friable. It crystallizes with a monoclinic geometry. Its name is derived from the Greek glaucos ( γλαυκος ) meaning ...
The Collaborative International Dictionary
Word definitions in The Collaborative International 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 .
WordNet
Word definitions in WordNet
n. a green mineral consisting of hydrated silicate of potassium or iron or magnesium or aluminum; found in greensand
Usage examples of glauconite.
The sequence we would expect to see, therefore, would be nearshore sands with glauconite, then beach or barrier island sand, then a lagoon with vegetated tidal flats, and finally the mainland.
The sand layers had a greenish tint produced by a mineral called glauconite, almost always the sign of a marine or coastal environment.