[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"minerals:one:2377":3},{"id":4,"longid":5,"guid":6,"name":7,"shortcode_ima":8,"entrytype":9,"entrytype_text":10,"varietyof":11,"synid":11,"polytypeof":11,"groupid":12,"weighting":13,"nolocadd":14,"blacklisted":14,"mindat_formula":15,"mindat_formula_note":11,"ima_formula":16,"elements":17,"sigelements":23,"key_elements":11,"impurities":11,"cim":24,"ima_status":25,"ima_notes":11,"ima_history":11,"approval_year":11,"publication_year":28,"discovery_year":29,"strunz10ed1":30,"strunz10ed2":31,"strunz10ed3":31,"strunz10ed4":32,"dana8ed1":33,"dana8ed2":34,"dana8ed3":34,"dana8ed4":34,"csystem":35,"cclass":36,"spacegroup":37,"spacegroupset":38,"a":39,"b":40,"c":41,"alpha":42,"beta":43,"gamma":42,"aerror":44,"berror":45,"cerror":45,"alphaerror":11,"betaerror":44,"gammaerror":11,"va3":11,"z":46,"csmetamict":14,"commentcrystal":11,"twinning":47,"tranglide":11,"parting":11,"epitaxidescription":11,"morphology":48,"tlform":11,"hmin":49,"hmax":45,"hardtype":11,"vhnmin":42,"vhnmax":42,"vhnerror":11,"vhng":11,"vhns":11,"commenthard":11,"dmeas":50,"dmeas2":50,"dcalc":50,"dmeaserror":11,"dcalcerror":11,"commentdense":11,"lustre":11,"lustretype":51,"commentluster":11,"diapheny":52,"streak":53,"colour":54,"commentcolor":11,"colors":55,"streak_colors":59,"luminescence":11,"uv":11,"cleavage":11,"cleavagetype":11,"fracturetype":60,"tenacity":11,"commentbreak":11,"opticaltype":61,"opticalsign":62,"opticalalpha":63,"opticalalpha2":64,"opticalalphaerror":11,"opticalbeta":65,"opticalbeta2":66,"opticalbetaerror":11,"opticalgamma":67,"opticalgamma2":68,"opticalgammaerror":11,"opticalomega":42,"opticalomega2":42,"opticalomegaerror":11,"opticalepsilon":42,"opticalepsilon2":42,"opticalepsilonerror":11,"opticaln":42,"opticaln2":42,"opticalnerror":11,"optical2vcalc":69,"optical2vcalc2":42,"optical2vcalcerror":11,"optical2vmeasured":70,"optical2vmeasured2":42,"optical2vmeasurederror":11,"rimin":71,"rimax":72,"opticaldispersion":73,"opticalpleochroism":11,"opticalpleochorismdesc":11,"opticalbirefringence":11,"opticalcomments":11,"opticalcolour":11,"opticalinternal":11,"opticaltropic":11,"opticalanisotropism":11,"opticalbireflectance":11,"opticalextinction":74,"opticalr":11,"specdispm":11,"ir":11,"electrical":11,"magnetism":11,"thermalbehaviour":75,"other":76,"industrial":11,"occurrence":77,"otheroccurrence":78,"type_specimen_store":79,"description_short":80,"aboutname":81,"rock_parent":11,"rock_parent2":11,"rock_root":9,"rock_bgs_code":11,"meteoritical_code":11,"updttime":82,"reviewed_at":11,"variety_of":11,"varieties":83,"group_members":84,"associates":92,"confused_with":101,"type_localities":102,"occurrence_total":109,"citations":110,"images":179,"structures":204,"synonyms":231,"language_names":237,"wikidata_qid":275,"texts":276},2377,"1:1:2377:7","e5465015-90d2-423e-96d1-4ce1c3e14cef","Leonite","Leo",0,"mineral",null,42039,393,false,"K\u003Csub>2\u003C\u002Fsub>Mg(SO\u003Csub>4\u003C\u002Fsub>)\u003Csub>2\u003C\u002Fsub>·4H\u003Csub>2\u003C\u002Fsub>O","K\u003Csub>2\u003C\u002Fsub>Mg(SO\u003Csub>4\u003C\u002Fsub>)\u003Csub>2\u003C\u002Fsub> · 4H\u003Csub>2\u003C\u002Fsub>O",[18,19,20,21,22],"Mg","O","K","S","H",[18,19,20,21,22],"25.3.14",[26,27],"APPROVED","GRANDFATHERED",1896,"1896","7","C","55","29","3","Monoclinic",5,11,"C2\u002Fm ","11.769","9.539","9.889","0","95.31",2,3,4,"On {100} - artificial crystals. Lamellar twinning observable under magnification.","Crystals tabular {100} and elongated [001]. Usually anhedral.",2.5,"2.20","Vitreous,Waxy","Transparent","White","Colourless, pale yellow; colourless (transmitted light)",[56,57,58],"colorless","yellow","white",[58],"Conchoidal","Biaxial","+","1.479","1.480","1.482","1.483","1.486","1.487","76","90",1.479,1.487,"none","Y = b; Z ∧ a = small.","Dehydration occurs at 410-420 K and leads to langeinite and arcanite.","Soluble in H2O, taste slightly bitter. Turns white upon alteration\u002Fdehydration to picromerite if left exposed.","Rock salt deposit.","Oceanic potash deposits.","No designated type specimen.","The magnesium analogue of Mereiterite.\r\nMay occur as a dehydration product of Picromerite.","Named in honor of Leo Balthasar Leberecht Strippelmann (26 July 1826, Kassel, Germany - 17 June 1892, Bad Oeynhausen, Germany), Director of the salt works at Westeregeln, Germany.","2025-12-19 18:03:48",[],[85],{"id":86,"name":87,"entrytype":9,"csystem":35,"ima_formula":88,"mindat_formula":89,"hmin":49,"hmax":45,"dmeas":90,"dcalc":91,"primary_image_id":11},2649,"Mereiterite","K\u003Csub>2\u003C\u002Fsub>Fe\u003Csup>2+\u003C\u002Fsup>(SO\u003Csub>4\u003C\u002Fsub>)\u003Csub>2\u003C\u002Fsub> · 4H\u003Csub>2\u003C\u002Fsub>O","K\u003Csub>2\u003C\u002Fsub>Fe(SO\u003Csub>4\u003C\u002Fsub>)\u003Csub>2\u003C\u002Fsub>·4H\u003Csub>2\u003C\u002Fsub>O","2.36","2.358",[93],{"id":94,"name":95,"entrytype":9,"csystem":35,"ima_formula":96,"mindat_formula":97,"hmin":98,"hmax":98,"dmeas":99,"dcalc":99,"primary_image_id":100},2204,"Kieserite","Mg(SO\u003Csub>4\u003C\u002Fsub>) · H\u003Csub>2\u003C\u002Fsub>O","MgSO\u003Csub>4\u003C\u002Fsub>·H\u003Csub>2\u003C\u002Fsub>O",3.5,"2.571",13302,[],[103],{"id":104,"txt":105,"latitude":106,"longitude":107,"country":108},1924,"Douglashall III potash mine, Westeregeln, Börde-Hakel, Salzlandkreis, Saxony-Anhalt, Germany",51.9666131,11.3711572,"Germany",28,[111,115,118,121,126,130,134,139,143,148,153,158,162,166,170,174],{"id":112,"year":113,"html":114,"doi":11},16115061,1893,"van der Heide, J.K. (1893) Kalium-Astrakanit, ein neues Doppelsalz von Kalium- und Magnesiumsulfat. Berichte deutsche chemische Gesellschaft: 26: 414-414 (as Kalium-Astrakanit).",{"id":116,"year":113,"html":117,"doi":11},16115062,"Naupert, A., Wense, W. (1893) Ueber einige bemerkenswerthe Mineralvorkommnisse in den Salzlagern von Westeregeln. 1. Ueber schwefelsaure Kalimagnesia mit vier Aequivalenten Wasser. 2. Ueber Magnesiumsulfoborit. 3. Ueber Cölestin. 4. Ueber Kieserit. Berichte der Deutschen Chemischen Gesellschaft Berlin: 26: 873-875. (as Kaliastrakanit)",{"id":119,"year":28,"html":120,"doi":11},16115075,"Tenne, C.A. (1896) Ueber die Krystallform des Leonit aus den Steinsalzlagern von Leopoldshall. Zeitschrift der Deutschen Geologischen Gesellschaft, 48, 632-637.",{"id":122,"year":123,"html":124,"doi":125},102671,1902,"Strandmark, J. E. (1902) Leonit aus Leopoldshall. \u003Ci>Zeitschrift für Kristallographie, Mineralogie und Petrographie\u003C\u002Fi>,  36 (1-6). 461-465 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1524\u002Fzkri.1902.36.1.461'>doi:10.1524\u002Fzkri.1902.36.1.461\u003C\u002Fa>","10.1524\u002Fzkri.1902.36.1.461",{"id":127,"year":128,"html":129,"doi":11},16115065,1910,"Görgey, R. (1910) Zur Kenntnis der Minerale der Salzlagerstätten. Mineralogische und petrographische Mitteilungen, Vienna: 29: 1921-210 (207).",{"id":131,"year":132,"html":133,"doi":11},16115066,1932,"Schaller, W.T., Henderson, E.P. (1932) Mineralogy of drill cores from the potash field of New Mexico and Texas. U.S. Geological Survey Bulletin, 833, 1-124.",{"id":135,"year":136,"html":137,"doi":138},105657,1939,"Anspach, Heinz (1939) Die Struktur von Mn-Leonit. \u003Ci>Zeitschrift für Kristallographie, Mineralogie und Petrographie\u003C\u002Fi>,  101 (1-6). 39-77 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1524\u002Fzkri.1939.101.1.39'>doi:10.1524\u002Fzkri.1939.101.1.39\u003C\u002Fa>","10.1524\u002Fzkri.1939.101.1.39",{"id":140,"year":141,"html":142,"doi":11},1118652,1951,"Palache, Charles; Berman, Harry; Frondel, Clifford (1951) \u003Ci>The System of Mineralogy\u003C\u002Fi> (7th ed.) Vol. 2 - Halides, Nitrates, Borates, Carbonates, Sulfates, Phosphates, Arsenates, Tungstates, Molybdates, Etc. John Wiley and Sons.",{"id":144,"year":145,"html":146,"doi":147},5715920,1960,"Schneider, W. (1960) Neubestimmung der Kristallstruktur des Leonits, K2Mg(SO4)2 · 4H20. \u003Ci>Die Naturwissenschaften\u003C\u002Fi>,  47 (12). 278 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1007\u002Fbf01210756'>doi:10.1007\u002Fbf01210756\u003C\u002Fa>","10.1007\u002Fbf01210756",{"id":149,"year":150,"html":151,"doi":152},110973,1985,"Jarosch, D. (1985) Kristallstruktur des Leonits, K2Mg(SO4)2· 4H2O. \u003Ci>Zeitschrift für Kristallographie\u003C\u002Fi>,  173 (1). 75-79 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1524\u002Fzkri.1985.173.1-2.75'>doi:10.1524\u002Fzkri.1985.173.1-2.75\u003C\u002Fa> \u003Ca target='_blank' href='https:\u002F\u002Frruff.info\u002Fdoclib\u002Fzk\u002Fvol173\u002FZK173_75.pdf' class='refpdflink'>\u003C\u002Fa>","10.1524\u002Fzkri.1985.173.1-2.75",{"id":154,"year":155,"html":156,"doi":157},16527,2002,"Hertweck, B., Armbruster, T., Libowitzky, E. (2002) Multiple phase transitions of leonite-type compounds: optical, calorimetric, and X-ray data. \u003Ci>Mineralogy and Petrology\u003C\u002Fi>,  75 (3) 245-259 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1007\u002Fs007100200027'>doi:10.1007\u002Fs007100200027\u003C\u002Fa>","10.1007\u002Fs007100200027",{"id":159,"year":155,"html":160,"doi":161},128160,"Hertweck, Birgit, Libowitzky, Eugen (2002) Vibrational spectroscopy of phase transitions in leonite-type minerals. \u003Ci>European Journal of Mineralogy\u003C\u002Fi>,  14 (6) 1009-1017 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1127\u002F0935-1221\u002F2002\u002F0014-1009'>doi:10.1127\u002F0935-1221\u002F2002\u002F0014-1009\u003C\u002Fa>","10.1127\u002F0935-1221\u002F2002\u002F0014-1009",{"id":163,"year":164,"html":165,"doi":11},16115073,2003,"Ishigami, H.; Sumita, M.; Shiro, M.; Hikita, T.; Sato, S.; Tanimoto, M. (2003): Phase transition in K2Fe(SO4)2.4H2O. Ferroelectrics, 285, 133-137.",{"id":167,"year":164,"html":168,"doi":169},116370,"Hertweck, B.; Libowitzky, E.; Schultz, A. J. (2003) The hydrogen bond system of Mn-leonite: neutron diffraction results in comparison with IR spectroscopic data. \u003Ci>Zeitschrift für Kristallographie\u003C\u002Fi>,  218 (6). 403-412 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1524\u002Fzkri.218.6.403.20724'>doi:10.1524\u002Fzkri.218.6.403.20724\u003C\u002Fa>","10.1524\u002Fzkri.218.6.403.20724",{"id":171,"year":172,"html":173,"doi":11},16965564,2005,"(2005) Leonite. \u003Ci>Handbook of Mineralogy\u003C\u002Fi>. Mineralogical Society of America \u003Ca target='_blank' href='https:\u002F\u002Fwww.handbookofmineralogy.org\u002Fpdfs\u002Fleonite.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":175,"year":176,"html":177,"doi":178},129454,2016,"Balić-Žunić, Tonči, Birkedal, Renie, Katerinopoulou, Anna, Comodi, Paola (2016) Dehydration of blödite, Na\u003Csub>2\u003C\u002Fsub>Mg(SO\u003Csub>4\u003C\u002Fsub>)\u003Csub>2\u003C\u002Fsub>(H\u003Csub>2\u003C\u002Fsub>O)\u003Csub>4\u003C\u002Fsub>, and leonite, K\u003Csub>2\u003C\u002Fsub>Mg(SO\u003Csub>4\u003C\u002Fsub>)\u003Csub>2\u003C\u002Fsub>(H\u003Csub>2\u003C\u002Fsub>O)\u003Csub>4\u003C\u002Fsub>. \u003Ci>European Journal of Mineralogy\u003C\u002Fi>,  28 (1) 33-42 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1127\u002Fejm\u002F2015\u002F0027-2487'>doi:10.1127\u002Fejm\u002F2015\u002F0027-2487\u003C\u002Fa>","10.1127\u002Fejm\u002F2015\u002F0027-2487",[180,190,197],{"id":181,"source_url":182,"license_code":183,"credit_html":184,"title":185,"description":186,"author":187,"original_width":188,"original_height":189},14373,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10138387","CC BY-SA 3.0","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10138387\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Leonite-Halite-112538.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FLeonite\" class=\"extiw\" title=\"en:Leonite\">Leonite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FHalite\" class=\"extiw\" title=\"en:Halite\">Halite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Potash Mine, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FRo%C3%9Fleben\" class=\"extiw\" title=\"en:Roßleben\">Roßleben\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FQuerfurt\" class=\"extiw\" title=\"en:Querfurt\">Querfurt\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FSaxony-Anhalt\" class=\"extiw\" title=\"en:Saxony-Anhalt\">Saxony-Anhalt\u003C\u002Fa>, Germany (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-105953.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Leonite as white pseudomorphs after picromerite crystals; minor halite is associated underneath and around the backside. It is, overall, a very attractive miniature. It carries an old label from the Bergakademie Freiberg. Sharp and complete all around, very 3-dimensional. 5.7 x 4.5 x 3.6 cm\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>","Robert M. Lavinsky",600,479,{"id":191,"source_url":192,"license_code":183,"credit_html":193,"title":194,"description":195,"author":187,"original_width":188,"original_height":196},14374,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10138388","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10138388\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Leonite-Halite-112539.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FLeonite\" class=\"extiw\" title=\"en:Leonite\">Leonite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FHalite\" class=\"extiw\" title=\"en:Halite\">Halite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Wintershall Potash Works, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FHeringen\" class=\"extiw\" title=\"en:Heringen\">Heringen\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FWerra\" class=\"extiw\" title=\"en:Werra\">Werra Valley\u003C\u002Fa>, North Hesse, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FHesse\" class=\"extiw\" title=\"en:Hesse\">Hesse\u003C\u002Fa>, Germany (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-1829.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>From a classic locality also in Germany: leonite as white pseudomorphs after sharp freestanding picromerite crystals to almost 2 cm. They are perched beautifully and 3-dimensionally on matrix of crystallized halite. 5.5 x 4.7 x 3.4 cm\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",507,{"id":198,"source_url":199,"license_code":183,"credit_html":200,"title":201,"description":202,"author":187,"original_width":203,"original_height":188},14375,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10141920","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10141920\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Leonite-Halite-133815.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FLeonite\" class=\"extiw\" title=\"en:Leonite\">Leonite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FHalite\" class=\"extiw\" title=\"en:Halite\">Halite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Wintershall Potash Works, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FHeringen\" class=\"extiw\" title=\"en:Heringen\">Heringen\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FWerra\" class=\"extiw\" title=\"en:Werra\">Werra Valley\u003C\u002Fa>, North Hesse, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FHesse\" class=\"extiw\" title=\"en:Hesse\">Hesse\u003C\u002Fa>, Germany (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-1829.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 9.7 x 9.0 x 4.2 cm.\u003C\u002Fdd>\n\u003Cdd>Sharp, freestanding, snow-white pseudomorphs of leonite after picromerite crystals to 1.6 cm. They are perched beautifully and 3-dimensionally on matrix of crystallized halite. Ex. Marty Zinn Collection #2078.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",554,[205,212,217,222,227],{"id":206,"url":207,"label":208,"formula":209,"spacegroup":210,"year":211},7594,"\u002Fcif\u002F7594.cif","Hertweck 2001 · K2 Mg S2 O12 H8 (1)","K2 Mg S2 O12 H8","P 1 21\u002Fa 1",2001,{"id":213,"url":214,"label":215,"formula":209,"spacegroup":216,"year":211},7595,"\u002Fcif\u002F7595.cif","Hertweck 2001 · K2 Mg S2 O12 H8 (2)","I 1 2\u002Fa 1",{"id":218,"url":219,"label":220,"formula":209,"spacegroup":221,"year":211},7596,"\u002Fcif\u002F7596.cif","Hertweck 2001 · K2 Mg S2 O12 H8 (3)","C 1 2\u002Fm 1",{"id":223,"url":224,"label":225,"formula":226,"spacegroup":210,"year":211},7597,"\u002Fcif\u002F7597.cif","Hertweck 2001 · K2 Mn S2 O12 H8 (1)","K2 Mn S2 O12 H8",{"id":228,"url":229,"label":230,"formula":226,"spacegroup":216,"year":211},7598,"\u002Fcif\u002F7598.cif","Hertweck 2001 · K2 Mn S2 O12 H8 (2)",[232,233,234,235,236],"Kalium-Astrakanit","Kalium-Blödit","Leoniet","Leonite (of Tenne)","Magnesium leonite",[238,242,246,250,254,257,261,264,267,271],{"lang":239,"names":240},"ca",[241],"leonita",{"lang":243,"names":244},"de",[245],"Leonit",{"lang":247,"names":248},"eu",[249],"Leonita",{"lang":251,"names":252},"fr",[253],"Léonite",{"lang":255,"names":256},"it",[7],{"lang":258,"names":259},"mk",[260],"Леонит",{"lang":262,"names":263},"ru",[260],{"lang":265,"names":266},"sv",[245],{"lang":268,"names":269},"uk",[270],"Леоніт",{"lang":272,"names":273},"zh-hant",[274],"钾镁矾","Q3830636",{"history":11,"applications":11}]