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riebeckite

American  
[ree-be-kahyt] / ˈri bɛˌkaɪt /

noun

  1. an amphibolic mineral, silicate of sodium and iron, occurring usually in feldspathoid rocks.

Etymology

Origin of riebeckite

1885–90; named after Emil Riebeck (died 1885), German explorer; -ite 1

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

It is a blue fibrous mineral belonging to the amphibole group and closely related to riebeckite; chemically it is an iron sodium silicate.

From Project Gutenberg

This island is composed of micro-granite with riebeckite, of great interest on account of the rare occurrence of this type in Britain.

From Project Gutenberg

Its essential constituents are felspar, quartz and riebeckite—a soda amphibole.

From Project Gutenberg

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.