Related formsglau·co·nit·ic [glaw-kuh-nit-ik] /ˌglɔ kəˈnɪt ɪk/, adjective
Examples from the Web for glauconitic
The glauconitic grains of the Greensand formations are chiefly foraminiferal casts.
The sponge (Stauronema carteri) is characteristic of the Glauconitic Marl.The Geological Story of the Isle of Wight|J. Cecil Hughes
The beds in this series vary a good deal lithologically, some being sandy, others marly or glauconitic; fossils are abundant.