Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

glauconite

play
noun glau·co·nite \ˈglȯ-kə-ˌnīt\

Definition of glauconite

  1. :  a mineral consisting of a dull green earthy iron potassium silicate occurring in greensand

glauconitic

play \ˌglȯ-kə-ˈni-tik\ adjective


Origin and Etymology of glauconite

German Glaukonit, irregular from Greek glaukos


First Known Use: 1836


Learn More about glauconite


Seen and Heard

What made you want to look up glauconite? Please tell us where you read or heard it (including the quote, if possible).