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Langbeinite

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Formula:
K2Mg2(SO4)3
System:
Isometric
Colour:
Colorless, white, pale ...
Hardness:
3½ - 4
Name:
After A. Langbein of Leopoldshall, Germany.
Piezoelectric.

Classification of Langbeinite

Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"
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
28.4.4.1

28 : ANHYDROUS ACID AND NORMAL SULFATES
4 : Miscellaneous
25.3.13

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

Year of Discovery:
1891

Occurrences of Langbeinite

Geological Setting:
Salt deposits.

Physical Properties of Langbeinite

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:
2.83 g/cm3 (Measured)    2.77 g/cm3 (Calculated)

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:
K2Mg2(SO4)3
Essential elements:
All elements listed in formula:
Analytical Data:
Slowly water soluble.

Relationship of Langbeinite to other Species

Other Members of Group:
CalciolangbeiniteK2Ca2(SO4)3
Efremovite(NH4)2Mg2(SO4)3
ManganolangbeiniteK2Mn2(SO4)3
7.AC.05VanthoffiteNa6Mg(SO4)4
7.AC.08Pyracmonite(NH4)3Fe(SO4)3
7.AC.10Efremovite(NH4)2Mg2(SO4)3
7.AC.10ManganolangbeiniteK2Mn2(SO4)3
7.AC.15YavapaiiteKFe(SO4)2
7.AC.15EldfelliteNaFe3+(SO4)2
7.AC.20Godovikovite(NH4)Al(SO4)2
7.AC.20Sabieite(NH4)Fe3+(SO4)2
7.AC.25ThénarditeNa2SO4
7.AC.30MetathenarditeNa2SO4
7.AC.35Aphthitalite(K,Na)3Na(SO4)2
25.3.1KieseriteMgSO4 · H2O
25.3.2SanderiteMgSO4 · 2H2O
25.3.3StarkeyiteMgSO4 · 4H2O
25.3.4PentahydriteMgSO4 · 5H2O
25.3.5HexahydriteMgSO4 · 6H2O
25.3.6EpsomiteMgSO4 · 7H2O
25.3.7CaminiteMg7(SO4)5(OH)4 · H2O
25.3.8VanthoffiteNa6Mg(SO4)4
25.3.9BlöditeNa2Mg(SO4)2 · 4H2O
25.3.10KonyaiteNa2Mg(SO4)2 · 5H2O
25.3.11LöweiteNa12Mg7(SO4)13 · 15H2O
25.3.12UklonskoviteNaMg(SO4)F · 2H2O
25.3.14LeoniteK2Mg(SO4)2 · 4H2O
25.3.15PicromeriteK2Mg(SO4)2 · 6H2O
25.3.16Efremovite(NH4)2Mg2(SO4)3
25.3.17Boussingaultite(NH4)2Mg(SO4)2 · 6H2O
25.3.18PickeringiteMgAl2(SO4)4 · 22H2O

Other Names for Langbeinite

Name in Other Languages:
German:Langbeinit
Simplified Chinese:无水钾镁矾
Spanish:Langbeinita
Traditional Chinese:無水鉀鎂礬

Other Information

Thermal Behaviour:
Melting Point = 930°.
Health Risks:
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.

Internet Links for Langbeinite

Localities for Langbeinite

map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.
(TL) indicates type locality for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? 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
            • Hall valley
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
    • Gmunden
      • 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 Province
    • Haixi Autonomous Prefecture
      • Golmud Co. (Ge'ermu Co.)
Anthony, J.W. et al.: Handbook of Mineralogy
      • Mangnai Co. (Mangya Co.)
Shaoxiu Yang (1991): Journal of Lake Sciences 3(1), 1-10
  • Shandong Province
    • Tai'an Prefecture
      • Daiyue District
        • Dawenkou depression
Zhongde Zhu (1988): Mineral Deposits 7(1), 87-96
  • Xinjiang Autonomous Region
    • Tulufan Prefecture (Turfan Prefecture; Turpan Prefecture)
      • Tulufan Co. (Turfan Co.; Turpan Co.)
        • Turfan basin (Turpan basin)
Bingxiao Li (1992): Journal of Lake Sciences 4(1), 48-55
Czech Republic
 
  • Bohemia (Böhmen; Boehmen)
    • Central Bohemia Region
Zacek, V., Oplustil, S., Mayova, A. & Meyer, F. R. (1995): Die Mineralien von Kladno in Mittelböhmen, Tschechische Republik. Mineralien-Welt 6 (1), 13-30 (in German).
    • 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.
France
 
  • Nord-Pas-de-Calais
    • Pas-de-Calais
Naze-Nancy Masalehdani, M., Mees, F., Dubois, M., Coquinot, Y., Potdevin, J.-L., Fialin, M. & Blanc-Valleron, M.-M. (2009): Condensate minerals from a burning coal-waste heap in Avion, Northern France. Can. Mineral. 47, 573-591.
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
    • 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
    • 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
      • 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.
      • 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
      • Merkers-Kieselbach
W.I. Borrisenkow (1968) Zeitschr. für angewandte Geologie 14, 7-10
      • Unterbreizbach
A.Dietrich, G.Behnke and T.Thonelt (2004): Kristalle aus der Tiefe - Eine Auswahl von Mineralen aus Kali- und Steinsalzlagerstatten. Kali und Steinsalz:3.p.6-14.
Kazakhstan
 
  • Atyrau Province (Atyrau Oblysy; Atyrau Oblast')
    • Atyrau (Gur'yev)
Pekov, I. V. & Abramov, D. V. (1993): Boron deposit of the Inder and its minerals. World of Stones, 1, 23-30.
Pakistan
 
  • Punjab
    • Salt Range
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
Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
          • Northern Breakthrough (North Breach)
            • Second scoria cone
Pekov, I.V., Zubkova, N.V., Yapaskurt, V.O., Belakovskiy, D.I., Vigasina, M.F., Sidorov, E.G., Pushcharovsky, D.Yu. (2014): New arsenate minerals from the Arsenatnaya fumarole, Tolbachik volcano, Kamchatka, Russia. II. Ericlaxmanite and kozyrevskite, two natural modifications of Cu4O(AsO4)2. Mineralogical Magazine, 78, 1553–1569.
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; Zelenski, M.E., Zubkova, N.V., Pekov, I.V., Polekhovsky, Yu.S. & Pushcharovsky, D.Yu. (2012): Cupromolybdite, Cu3O(MoO4)2, a new fumarolic mineral from the Tolbachik volcano, Kamchatka Peninsula, Russia. European Journal of Mineralogy, 24, 749-757.; Pekov, I. V., Zelenski, M. E., Zubkova, N. V., Yapaskurt, V. O., Chukanov, N. V., Belakovskiy, D. I., & Pushcharovsky, D. Y. (2012). Calciolangbeinite, K2Ca2 (SO4) 3, a new mineral from the Tolbachik volcano, Kamchatka, Russia. Mineralogical Magazine, 76(3), 673-682.
  • Urals Region
    • Southern Urals
      • 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).; Cesnokov, B., Kotrly, M. and Nisanbajev, T. (1998): Brennende Abraumhalden und Aufschlüsse im Tscheljabinsker Kohlenbecken - eine reiche Mineralienküche. Mineralien-Welt, 9 (3), 54-63 (in German).
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 and Lea Counties
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.
    • Eddy Co.
Northrop, Minerals of New Mexico, 2nd. rev. ed. (1959)
      • Carlsbad Potash District
SIMMONS, P.S. (2013)The Carlsbad Potash Basin, Carlsbad, New Mexico. Mineralogical Record, 44 (1), 13-49.
NMBMMR Bull 87 Mineral and Water Resources of New Mexico
NMBMMR Bull 87 Mineral and Water Resources of New Mexico
Van King
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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