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gehlenite

American  
[gey-luh-nahyt] / ˈgeɪ ləˌnaɪt /

noun

  1. a mineral, aluminum calcium silicate, occurring in prismatic crystals varying in color from gray-green to brown.

gehlenite British  
/ ˈɡeɪləˌnaɪt /

noun

  1. a green mineral consisting of calcium aluminium silicate in tetragonal crystalline form. Formula: Ca 2 Al 2 SiO 7

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of gehlenite

1810–20; named after A. F. Gehlen (1775–1815), German chemist; -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.

Dr. Percy, in a communication with which he has kindly favored me, says that the minerals which he has found artificially produced and proved by analysis are Humboldtilite, gehlenite, olivine, and magnetic oxyd of iron, in octahedral crystals.

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.