Etymograph

English

glauconitic

From glauconite + -ic.

Formed from glauconite + -ic

Ancient Greek γλαυκός ‘blue-green’

German Glaukonit

English glauconite

Today it means

adj Relating to, or containing, glauconite.

Language periods are conventional ranges, not dates for this word.

Etymograph / glauconitic