stilbite
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stil·bite
(stĭl′bīt′)n.
A white or yellow lustrous zeolite mineral, essentially (Ca,Na)2Al2Si7O18·7H2O.
[French, from Greek stilbos, shining; see stilbene.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
stilbite
(ˈstɪlbaɪt)n
(Minerals) a white or yellow zeolite mineral consisting of hydrated calcium sodium aluminium silicate, often in the form of sheaves of monoclinic crystals. Formula: (Na2Ca)Al2Si7O18.7H2O
[C19: from Greek stilbos glittering (from stilbein to shine) + -ite1]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
stil•bite
(ˈstɪl baɪt)n.
a white-to-brown or red zeolite mineral, a hydrous silicate of calcium, sodium, potassium, and aluminum.
[1805–15; < Greek stílb(ein) to shine + -ite1]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.