cor·​di·​er·​ite | \ ˈkȯr-dē-ə-ˌrīt How to pronounce cordierite (audio) \

Definition of cordierite

: a blue mineral of vitreous luster and strong dichroism that consists of a silicate of aluminum, iron, and magnesium

Examples of cordierite in a Sentence

Recent Examples on the Web The PizzaQue uses a 14-inch cordierite pizza stone and propane gas to make a crispy pizza in six minutes. Billy Cadden, Popular Science, 24 May 2018 Multiple translucent crystals fit the bill, namely calcite, cordierite and tourmaline. Steph Yin, New York Times, 6 Apr. 2018 No calcite, cordierite, or tourmaline crystal has turned up at a Viking archaeological site so far. Kiona N. Smith, Ars Technica, 6 Apr. 2018 All three types of crystals that the team studied—calcite, a form of calcium carbonate; cordierite, an iron- and magnesium-rich silicate; and tourmaline, a boron-rich silicate—worked well at intervals of 3 hours or less. Sid Perkins, Science | AAAS, 3 Apr. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'cordierite.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of cordierite

circa 1814, in the meaning defined above

History and Etymology for cordierite

French, from Pierre L. A. Cordier †1861 French geologist

Keep scrolling for more

Learn More About cordierite

Time Traveler for cordierite

Time Traveler

The first known use of cordierite was circa 1814

See more words from the same year

Dictionary Entries Near cordierite




See More Nearby Entries 

Statistics for cordierite

Cite this Entry

“Cordierite.” Dictionary, Merriam-Webster, Accessed 28 Oct. 2021.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

More from Merriam-Webster on cordierite Encyclopedia article about cordierite


Test Your Vocabulary

Dog Words Quiz

  • shiba puppy more or less demanding cuddles
  • Which of the following animals has a dog in its etymology?
True or False

Test your knowledge - and maybe learn something along the way.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!