Langbeinite

Langbeinite

Langbeinite is a potassium magnesium sulfate mineral with formula: K2Mg2(SO4)3. Langbeinite crystallizes in the isometric - tetartoidal system as transparent colorless or white with pale tints of yellow to green and violet crystalline masses. It has a vitreous luster. The Mohs hardness is 3.5 to 4 and the specific gravity is 2.83. The crystals are phosphorescent and piezoelectric.

The mineral is an ore of potassium and occurs in marine evaporite deposits in association with carnallite, halite and sylvite.

It was first described in 1891 and named for A. Langbein of Leopoldshall, Germany.

References

* [http://rruff.geo.arizona.edu/doclib/hom/langbeinite.pdf Mineral Data Publishing]
* [http://www.mindat.org/min-2320.html Mindat with location data]
* [http://www.webmineral.com/data/Langbeinite.shtml Webmineral data]


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  • langbeinite — [laŋ′bīn īt΄] n. [Ger langbeinit, after A. Langbein, 19th c. Ger chemist who identified it + it, ITE1] a mineral, K2Mg2 (SO4) 3, that is often found in salt deposits as a natural sulfate of potassium and magnesium, used as a source of potash …   English World dictionary

  • langbeinite — langbeinitas statusas T sritis chemija apibrėžtis Mineralas. formulė K₂Mg₂[SO₄]₃ atitikmenys: angl. langbeinite rus. лангбейнит …   Chemijos terminų aiškinamasis žodynas

  • langbeinite — noun Etymology: German Langbeinit, from A. Langbein, 19th century German industrialist Date: circa 1897 a mineral that is a sulfate of potassium and magnesium used in the fertilizer industry …   New Collegiate Dictionary

  • langbeinite — /lang buy nuyt , lahng /, n. a mineral, K2Mg2(SO4)3, occurring in marine salt deposits, used as a fertilizer because of its potassium content. [ < G Langbeinit (1891), after A. Langbein, 19th century German chemist; see ITE1] * * * …   Universalium

  • langbeinite — noun A saline evaporite, consisting of a mixed potassium and magnesium sulphate, with the chemical formula KMg(SO) …   Wiktionary

  • langbeinite — lang·bein·ite …   English syllables

  • langbeinite — lang•bein•ite [[t]ˈlæŋ baɪˌnaɪt, ˈlɑŋ [/t]] n. mir a mineral, potassium magnesium sulfate, K2Mg2(SO4)3, occurring in marine salt deposits, used as a fertilizer • Etymology: 1895–1900; < G Langbeinit (1891), after A. Langbein, 19th cent. German …   From formal English to slang

  • langbeinite — noun a mineral consisting of potassium magnesium double sulphate; used as a fertilizer • Hypernyms: ↑mineral • Substance Meronyms: ↑potassium, ↑K, ↑atomic number 19 …   Useful english dictionary

  • Evaporite — Cobble encrusted with halite evaporated from the Dead Sea, Israel. Evaporite (  / …   Wikipedia

  • List of minerals K-M (complete) — It is currently not possible to have a complete list of minerals . The International Mineralogical Association is the international group that recognises new minerals and new mineral names, however minerals discovered before 1959 did not go… …   Wikipedia

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