langbeinite

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lang·bein·ite

(lăng′bī-nīt′, läng′-)

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.

langbeinite

(ˈlæŋbaɪˌnaɪt)

(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-)

n.

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]

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Noun

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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The following were used as sources of nutrients: cattle manure to provide N (14.4 ton / ha / year) and increase soil CTC; sul-po-mag, 22% [K.sub.2]O, 22% S and 11% Mg, obtained from the crushing of langbeinite (2.4 ton / ha / year); bioactive organicmineral, with 12% [P.sub.2][O.sub.5] and Ca, obtained from the mixture of 40% bovine manure, 60% phosphate rock and P solubilizing bacterium (3.3 tons / ha / year); and FTE BR10, supplier of micronutrients (50 g / pit in planting).

Quality of organic banana produced in the semiarid region of Minas Gerais, Brazil/Qualidade de banana organica produzida no semiarido de Minas Gerais

The salicylic acid and methanol (SAM) extraction dissolves alite ([C.sub.3][S.sup.1]), belite ([C.sub.2]S), and free lime (CaO), leaving behind a residue of the tricalcium aluminate ([C.sub.3]A) and ferrite ([C.sub.4]AF) interstitial phases as well as minor phases including periclase (MgO) and alkali sulfates such as arcanite (K[bar.S]), thenardite (N[S.sub.S]), and langbeinite (K[M.sub.2] [[bar.S].sub.3]), calcium sulfates (gypsum, bassanite, and anhydrite), and carbonates (calcite and dolomite).

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Intrepid Potash Inc (NYSE:IPI), a US-based company that explores and markets potash and langbeinite, has announced first quarter 2009 results.