page_title: Langbeinite
hierarchical_section_title: Langbeinite
caption_attribution_description: Русский: Музей истории г. Трускавец English: Mineral Langbeinite, exposed in the History museum of Truskavets Deutsch: Mineral Langbeinit, ausgestellt im Naturhistorischen Museum Truskawez History Museum of Truskavets &#160;&#160;Native nameМузей истории г. ТрускавецLocationTruskavetsCoordinates49°&#160;16′&#160;39.5″&#160;N, 23°&#160;30′&#160;23.96″&#160;E &#160;Established29 December 1982&#160;Authority control : Q12130489 institution QS:P195,Q12130489
context_page_description: Langbeinite is a potassium magnesium sulfate mineral with the chemical 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 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 for an occurrence in Wilhelmshall, Halberstadt, Saxony-Anhalt, Germany, and named for A. Langbein of Leopoldshall, Germany.
  Langbeinite gives its name to the langbeinites, a family of substances with the same cubic structure, a tetrahedral anion, and large and small cations.
  Related substances include hydrated salts leonite and picromerite.
context_section_description: Langbeinite is a potassium magnesium sulfate mineral with the chemical formula K₂Mg₂(SO₄)₃. Langbeinite crystallizes in the isometric-tetartoidal (cubic) 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 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 for an occurrence in Wilhelmshall, Halberstadt, Saxony-Anhalt, Germany, and named for A. Langbein of Leopoldshall, Germany.
  Langbeinite gives its name to the langbeinites, a family of substances with the same cubic structure, a tetrahedral anion, and large and small cations.
  Related substances include hydrated salts leonite (K₂Mg(SO₄)₂·4H₂O) and picromerite (K₂Mg(SO₄)₂·6H₂O).
caption: Langbeinite in the History Museum, Truskavets
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