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