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gehlenite

[gey-luh-nahyt]
noun
  1. a mineral, aluminum calcium silicate, occurring in prismatic crystals varying in color from gray-green to brown.

Origin of gehlenite

1810–20; named after A. F. Gehlen (1775–1815), German chemist; see -ite1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for gehlenite

gehlenite

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

Word Origin for gehlenite

named after A. F. Gehlen (1775–1815), German chemist; see -ite 1
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