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Langbeinite

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Hattorf Potash Works, Phillippsthal, Werra Valley, North Hesse, Hesse, Germany
© 2005 - MMI

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Formula:
K
 
2
Mg
 
2
(SO
 
4
)
 
3
System:IsometricColour:Colorless, white, pale ...
Hardness:3½ - 4
Name:After A. Langbein of Leopoldshall, Germany.


Langbeinite Group

Piezoelectric.

Classification of Langbeinite

IMA status:Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"
Strunz 8th edition ID:6/A.03-10
Nickel-Strunz 10th (pending) edition ID:7.AC.10

7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
A : Sulfates (selenates, etc.) without additional anions, without H2O
C : With medium-sized and large cations
Dana 8th edition ID:28.4.4.1

28 : ANHYDROUS ACID AND NORMAL SULFATES
4 : Miscellaneous
Hey's CIM Ref.:25.3.13

25 : Sulphates
3 : Sulphates of Mg
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Type Occurrence of Langbeinite

Type Locality:Wilhelmshall, Halberstadt, Saxony-Anhalt, Germany
Year of Discovery:1891

Occurrences of Langbeinite

Geological Setting:Salt deposits.

Physical Properties of Langbeinite

Lustre:Vitreous
Diaphaneity (Transparency):Transparent
Colour:Colorless, white, pale tinges; colourless in transmitted light
Hardness (Mohs):3½ - 4
Tenacity:Brittle
Cleavage:None Observed
Fracture:Conchoidal
Density (measured):2.83 g/cm3
Density (calculated):2.77 g/cm3

Crystallography of Langbeinite

Crystal System:Isometric
Class (H-M):2 3 - Tetartoidal
Space Group:P21 3
Cell Parameters:a = 9.92Å
Unit Cell Volume:V 976.19 ų (Calculated from Unit Cell)
Z:4
Morphology:Crystals rare. Usually disseminated grains, nodular or massive aggregates.

Optical Data of Langbeinite

Type:Isotropic

Chemical Properties of Langbeinite

Formula:
K
 
2
Mg
 
2
(SO
 
4
)
 
3
Essential elements:K, Mg, O, S
All elements listed in formula:K, Mg, O, S
Analyical Data:Slowly water soluble.
Relationship of Langbeinite to other Species
Related Minerals - Nickel-Strunz Grouping):
7.AC.05Vanthoffite
Na
 
6
Mg(SO
 
4
)
 
4
7.AC.10Efremovite
(NH
 
4
)
 
2
Mg
 
2
(SO
 
4
)
 
3
7.AC.10Manganolangbeinite
K
 
2
Mn
 
2
(SO
 
4
)
 
3
7.AC.15Yavapaiite
KFe(SO
 
4
)
 
2
7.AC.15IMA2007-051
NaFe
3+
 
(SO
 
4
)
 
2
7.AC.20Godovikovite
NH
 
4
(Al,Fe)(SO
 
4
)
 
2
7.AC.20Sabieite
NH
 
4
Fe(SO
 
4
)
 
2
7.AC.25Thenardite
Na
 
2
SO
 
4
7.AC.30Metathenardite
7.AC.35Aphthitalite
(K,Na)
 
3
Na(SO
 
4
)
 
2
Related Minerals - Hey's Index Grouping:
25.3.1Kieserite
MgSO
 
4
·H
 
2
O
25.3.2Sanderite
MgSO
 
4
·2H
 
2
O
25.3.3Starkeyite
MgSO
 
4
·4H
 
2
O
25.3.4Pentahydrite
MgSO
 
4
·5H
 
2
O
25.3.5Hexahydrite
MgSO
 
4
·6H
 
2
O
25.3.6Epsomite
MgSO
 
4
·7H
 
2
O
25.3.7Caminite
Mg
 
7
[(OH)
 
4
|(SO
 
4
)
 
5
] · H
 
2
O
25.3.8Vanthoffite
Na
 
6
Mg(SO
 
4
)
 
4
25.3.9Blödite
Na
 
2
Mg(SO
 
4
)
 
2
·4H
 
2
O
25.3.10Konyaite
Na
 
2
Mg(SO
 
4
)
 
2
·5H
 
2
O
25.3.11Löweite
Na
 
12
Mg
 
7
(SO
 
4
)
 
13
25.3.12Uklonskovite
NaMg[F|SO
 
4
] · 2H
 
2
O
25.3.14Leonite
K
 
2
Mg(SO
 
4
)
 
2
·4H
 
2
O
25.3.15Picromerite
K
 
2
Mg(SO
 
4
)
 
2
·6H
 
2
O
25.3.16Efremovite
(NH
 
4
)
 
2
Mg
 
2
(SO
 
4
)
 
3
25.3.17Boussingaultite
(NH
 
4
)
 
2
Mg(SO
 
4
)
 
2
·6H
 
2
O
25.3.18Pickeringite
MgAl
 
2
(SO
 
4
)
 
4
·22H
 
2
O
Other Names for Langbeinite
German names:
Langbeinit
Russian names:
Лангбейнит
Spanish names:
Langbeinita
Other Information
Thermal Behaviour:Melting Point = 930°.
Health Warning:No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.
References for Langbeinite
Reference List:Zuckschwerdt (1891) Zeitschrift für anorganische und allgemeine Chemie, Hamburg, Leipzig: 356. 



Luedecke (1898) Zeitschrift für Kristallographie, Mineralogie und Petrographie, Leipzig: 29: 255.



Sachs (1902) Sitzungsberichte der

Akademie der Wissenschaften, Berlin: 376.



Nacken (1907) Gesellschaft der Wissenschaften zu Göttingen, Nachr.: 602.



Görgey (1909) Mineralogische und petrographische Mitteilungen, Vienna: 28: 334.



Gossner and Koch (1931) Zeitschrift für Kristallographie, Mineralogie und Petrographie, Leipzig: 80: 455.



Ramsdell (1935) American Mineralogist: 20: 569.



Bond (1943) Bell Systems technology Journal: 22: 145.



Palache, Charles, Harry Berman & Clifford Frondel (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana Yale University 1837-1892, Seventh edition, Volume II: 434-435.



Neues Jahrbuch für Mineralogie, Monatshefte (1979): 182-188.
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    Localities for Langbeinite
    
	






    


    

    
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    (TL) indicates type locality.  ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.

    Austria
     
    

    • Styria
    

      • Bad Aussee
    

        • Altaussee
    
    		R. Exel: Die Mineralien und Erzlagerstätten Österreichs (1993)
    

    • Tyrol
    

      • North Tyrol
    

        • Inn valley
    

          • Innsbruck
    

            • Hall
    
    		Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 434; R. Exel (1993): Die Mineralien und Erzlagerstätten Österreichs.
    

    • Upper Austria
    

      • Bad Ischl
    

        • Perneck
    
    		R. Exel: Die Mineralien und Erzlagerstätten Österreichs (1993)
    


      • Hallstatt
    
    		Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 434; R. Exel (1993): Die Mineralien und Erzlagerstätten Österreichs.
    China
     
    

    • Qinghai (Chinghai) Province
    

      • Haixi Autonomous Prefecture
    

        • Dulan Co.
    
    		Anthony, J.W. et al.: Handbook of Mineralogy
    Czech Republic
     
    

    • Bohemia (Böhmen; Boehmen)
    

      • Central Bohemia Region
    

        • Kladno
    

          • Libušin
    
    		No reference listed
    


      • Hradec Králové Region
    

        • Trutnov (Trautenau)
    

          • Radvanice
    
    		Sejkora, J., Kotrlý, M.: Sulfáty vysokoteplotní oxidační minerální asociace; hořící odval dolu Kateřina v Radvanicích v Čechách. Bulletin mineralogicko-petrografického oddělení Národního muzea v Praze, 2001, roč. 9, s. 261-267. 
    Germany
     
    

    • Hesse
    

      • Fulda
    

        • Neuhof
    

          • Giesel
    
    		S. Weiß: "Mineralfundstellen, Deutschland West", Weise (Munich), 1990
    



Krah, O., (1988): Beobachtungen beim Durchbruch eines Basaltganges durch das Kalilager vom Werk Neuhof-Ellers, Der Aufschluss Vol. 39 (2), 103-113
    


      • North Hesse
    

        • Werra Valley
    

          • Heringen
    
    		Weiss: "Mineralfundstellen, Deutschland West", Weise (Munich), 1990
    




          • Phillippsthal
    
    		Weiss: "Mineralfundstellen, Deutschland West", Weise (Munich), 1990
    

    • Lower Saxony
    

      • Celle
    

        • Hänigsen
    
    		Bode "Mineralien und Fundstellen BRD" from 1989  ISBN 3-925094-24-5 Pg.9
    



        • Wathlingen
    
    		Weiss: "Mineralfundstellen, Deutschland West", Weise (Munich), 1990
    


      • Hanover
    

        • Lehrte
    
    		Weiss: "Mineralienfundstellen, Deutschland West", Weise (Munich), 1990
    

    • Saxony-Anhalt
    

      • Bernburg
    
    		Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 434; Naumann, Zirkel (1898) "Elemente der Mineralogie", 13th Ed.
    


      • Halberstadt
    
    		Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 434.
    


      • Stassfurt Potash deposit
    

        • Stassfurt
    
    		Dana 6:A3:14,43,46; Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 430, 447; Zr. Kr. (1911): 50: 139.
    

    • Thuringia
    

      • Gera
    

        • Ronneburg U deposit
    
    		T. Witzke & F. Rüger: Lapis 1998(7/8), 26-64
    


      • Thuringian Forest
    

        • Bad Salzungen
    
    		W.I. Borrisenkow (1968) Zeitschr. für angewandte Geologie 14, 7-10
    Pakistan
     
    

    • Punjab
    

      • Salt Range
    

        • Pendschab
    
    		Dana 6: 899; Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 432, 434, & 449.
    Poland
     
    

    • Wielkopolskie
    
    		Jirásek, J.: Solný důl Kłodawa (Polsko). Minerál, 2004, roč. 12, č. 2, s. 98-102. ISSN 1213-0710 (excerpted from unpublished thesis Hanczke, T.: Mineralogia i petrografia soli czechstyńskich kopalni "Kłodawa". Doktroská práce, Uniwersytet Jagiellonski, Instytut nauk geologicznych, 1967.)
    Russia
     
    

    • Far-Eastern Region
    

      • Kamchatka Oblast'
    

        • Tolbachik volcano
    

          • Great Fissure (Main Fracture) eruption
    

            • Northern Breakthrough (North Breach)
    

              • Second scoria cone
    
    		N. V. Chukanov, M. N. Murashko, A. E. Zadov & A. F. Bushmakin (2006): Avdoninite, K2Cu5Cl8(OH)4• H2O, a new mineral from volcanic exhalations and from the zone of technogenesis at massive sulphide ore deposits. Proceedings of the Russian Mineralogical Society 135(3), 38–42
    

    • Urals Region
    

      • Chelyabinsk Oblast'
    
    		Chesnokov, B.V., L.F. Bazhenova, E.P. Shcherbakova, T.A. Michal, T.N. Deriabina (1988), New minerals from the burned dumps of the Chelyabinsk coal basin, in Mineralogy, technogenesis, and mineral-resource complexes of the Urals. Akad. Nauk SSSR-Uralskoe Otdel.: 5-31 (in Russian).
    Tajikistan
     
    

    • Viloyati Sogd (Viloyati Sughd; Viloyati Khodzhent; Viloyati Leninabad)
    

      • Gissar Range
    
    		PXRD
    Ukraine
     
    

    • L'viv Oblast' (Lviv Oblast'; Lwiw Oblast')
    

      • Drohobych
    
    		Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 434.
    USA
     
    

    • New Mexico
    

      • Eddy Co.
    

    


Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 595.
    



NMBMMR Bull 87 Mineral and Water Resources of New Mexico
    



NMBMMR Bull 87 Mineral and Water Resources of New Mexico
    

Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 435; Minerals of New Mexico 3rd ed.
    

    


    

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