glauconite

[ glaw-kuh-nahyt ]
/ ˈglɔ kəˌnaɪt /

noun

a greenish micaceous mineral consisting essentially of a hydrous silicate of potassium, aluminum, and iron and occurring in greensand, clays, etc.

Origin of glauconite

1830–40; < Greek glaukón, neuter of glaukós (see glauco-) + -ite1

OTHER WORDS FROM glauconite

glau·co·nit·ic [glaw-kuh-nit-ik] /ˌglɔ kəˈnɪt ɪk/, adjective

Example sentences from the Web for glauconite

British Dictionary definitions for glauconite

glauconite
/ (ˈɡlɔːkəˌnaɪt) /

noun

a green mineral consisting of the hydrated silicate of iron, potassium, aluminium, and magnesium: found in greensand and other similar rocks. Formula: (K,Na,Ca) 0.5-1 (Fe,Al,Mg) 2 (Si,Al) 4 O 10 (OH) 2 .nH 2 O

Derived forms of glauconite

glauconitic (ˌɡlɔːkəˈnɪtɪk), adjective

Word Origin for glauconite

C19: from Greek glaukon, neuter of glaukos bluish-green + -ite 1; see glaucous