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An evaporite mineral, K2Mg2(SO4)3, used as a source of potassium sulfate for fertilizer.
[After A. Langbein, 19th-century German chemist.]
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.
(Minerals) a pale or translucent, phosphorescent mineral, an ore of potassium, used in fertilizer
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
lang•bein•ite(ˈlæŋ baɪˌnaɪt, ˈlɑŋ-)
a mineral, potassium magnesium sulfate, K2Mg2(SO4)3, occurring in marine salt deposits, used as a fertilizer.
(1895–1900; < German Langbeinit (1891), after A. Langbein, 19th-century German chemist; see -ite1]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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|Noun||1.||langbeinite - a mineral consisting of potassium magnesium double sulphate; used as a fertilizer|
atomic number 19, potassium, K - a light soft silver-white metallic element of the alkali metal group; oxidizes rapidly in air and reacts violently with water; is abundant in nature in combined forms occurring in sea water and in carnallite and kainite and sylvite
mineral - solid homogeneous inorganic substances occurring in nature having a definite chemical composition
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