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 (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.]


(Minerals) a pale or translucent, phosphorescent mineral, an ore of potassium, used in fertilizer


(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]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.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
References in periodicals archive ?
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).
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).
Intrepid produces potash and langbeinite from its mines and production facilities in southeast New Mexico near Carlsbad, and is the largest producer of potash in the United States.
Intrepid Potash Inc (NYSE:IPI), a US-based company that explores and markets potash and langbeinite, has announced first quarter 2009 results.