[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"minerals:one:2255":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":16,"ima_formula":17,"elements":18,"sigelements":27,"key_elements":28,"impurities":11,"cim":11,"ima_status":29,"ima_notes":31,"ima_history":33,"approval_year":11,"publication_year":34,"discovery_year":35,"strunz10ed1":36,"strunz10ed2":37,"strunz10ed3":38,"strunz10ed4":39,"dana8ed1":40,"dana8ed2":41,"dana8ed3":42,"dana8ed4":43,"csystem":44,"cclass":45,"spacegroup":46,"spacegroupset":47,"a":48,"b":49,"c":50,"alpha":51,"beta":52,"gamma":51,"aerror":53,"berror":54,"cerror":55,"alphaerror":11,"betaerror":54,"gammaerror":11,"va3":56,"z":57,"csmetamict":14,"commentcrystal":58,"twinning":11,"tranglide":11,"parting":11,"epitaxidescription":11,"morphology":11,"tlform":59,"hmin":60,"hmax":61,"hardtype":11,"vhnmin":51,"vhnmax":51,"vhnerror":11,"vhng":11,"vhns":11,"commenthard":11,"dmeas":51,"dmeas2":51,"dcalc":62,"dmeaserror":11,"dcalcerror":11,"commentdense":11,"lustre":63,"lustretype":63,"commentluster":11,"diapheny":64,"streak":65,"colour":66,"commentcolor":11,"colors":67,"streak_colors":11,"luminescence":72,"uv":11,"cleavage":73,"cleavagetype":74,"fracturetype":11,"tenacity":75,"commentbreak":11,"opticaltype":76,"opticalsign":77,"opticalalpha":78,"opticalalpha2":51,"opticalalphaerror":11,"opticalbeta":79,"opticalbeta2":51,"opticalbetaerror":11,"opticalgamma":80,"opticalgamma2":51,"opticalgammaerror":11,"opticalomega":51,"opticalomega2":51,"opticalomegaerror":11,"opticalepsilon":51,"opticalepsilon2":51,"opticalepsilonerror":11,"opticaln":51,"opticaln2":51,"opticalnerror":11,"optical2vcalc":81,"optical2vcalc2":51,"optical2vcalcerror":11,"optical2vmeasured":81,"optical2vmeasured2":82,"optical2vmeasurederror":11,"rimin":83,"rimax":84,"opticaldispersion":85,"opticalpleochroism":86,"opticalpleochorismdesc":87,"opticalbirefringence":11,"opticalcomments":11,"opticalcolour":11,"opticalinternal":11,"opticaltropic":11,"opticalanisotropism":11,"opticalbireflectance":11,"opticalextinction":88,"opticalr":11,"specdispm":11,"ir":11,"electrical":11,"magnetism":11,"thermalbehaviour":11,"other":11,"industrial":11,"occurrence":11,"otheroccurrence":11,"type_specimen_store":89,"description_short":90,"aboutname":91,"rock_parent":11,"rock_parent2":11,"rock_root":9,"rock_bgs_code":11,"meteoritical_code":11,"updttime":92,"reviewed_at":11,"variety_of":11,"varieties":93,"group_members":94,"associates":134,"confused_with":135,"type_localities":136,"occurrence_total":57,"citations":143,"images":180,"structures":190,"synonyms":191,"language_names":197,"wikidata_qid":216,"texts":217},2255,"1:1:2255:8","945b8e70-da60-444d-9180-3e27aae5ff80","Potassic-mangani-leakeite","Pmlk",0,"mineral",null,43507,32,false,"KNa\u003Csub>2\u003C\u002Fsub>(Mg\u003Csub>2\u003C\u002Fsub>Mn\u003Csup>3+\u003C\u002Fsup>\u003Csub>2\u003C\u002Fsub>Li)(Si\u003Csub>8\u003C\u002Fsub>O\u003Csub>22\u003C\u002Fsub>)(OH)\u003Csub>2\u003C\u002Fsub>","The Leakeite group minerals are sodium amphiboles defined with: \r\n\u003Csup>A\u003C\u002Fsup>(Na+K+2Ca)> 0.5 apfu,\r\n\u003Csup>C\u003C\u002Fsup>(Al+Fe\u003Csup>3+\u003C\u002Fsup>+2Ti) > 1.5 apfu and \r\n\u003Csup>C\u003C\u002Fsup>Li > 0.5 apfu\r\n\r\nPotassic-mangani-leakeite is defined with \r\nA position: Na dominant\r\nC\u003Csup>2+\u003C\u002Fsup> position: Mg dominant\r\nC\u003Csup>3+\u003C\u002Fsup> position: Mn dominant\r\nW position: (OH) dominant","KNa\u003Csub>2\u003C\u002Fsub>(Mg\u003Csub>2\u003C\u002Fsub>Mn\u003Csup>3+\u003C\u002Fsup>\u003Csub>2\u003C\u002Fsub>Li)Si\u003Csub>8\u003C\u002Fsub>O\u003Csub>22\u003C\u002Fsub>(OH)\u003Csub>2\u003C\u002Fsub>",[19,20,21,22,23,24,25,26],"Li","Mg","Mn","Na","Si","O","K","H",[19,20,21,22,23,24,25,26],[19],[30],"APPROVED",[32],"REDEFINED","Redefined: IMA 2012 s.p.",1993,"1993","9","D","E","25","66","1","3c","13","Monoclinic",5,11,"C2\u002Fm ","9.9603","17.830","5.3056","0","105.275",17,3,9,909,2,"Cell parameters from Danisi and Armbruster (2017)","Bundles of fibers (5-20 µm in diameter), often bent, with a maximum fiber length \u003C 200 µm. Dark red 'felt' rims around hennomartinite.",6,7,"3.15","Vitreous","Transparent","n.d.","Dark red to brownish-lilac",[68,69,70,71],"red","brown","pink","orange","Nonfluorescent","Parallel to [001]","Distinct\u002FGood","brittle","Biaxial","-","1.654","1.675","1.696","88","92",1.654,1.696,"r \u003C v distinct","Visible","X = pink, Y = dark red, Z = orange-red","Z = b, Y : c = 60-65° (in obtuse angle β)","Natural History Museum, Bern, Switzerland, B5564.","Forms a solid solution with eckermannite.","This mineral was originially named kornite for Hermann Korn (b. 1946), German geologist. Kornite was discredited in the 2012 amphibole nomenclature and the mineral renamed potassic-mangani-leakeite.","2026-05-14 19:37:19",[],[95,101,110,117,123,128],{"id":96,"name":97,"entrytype":9,"csystem":44,"ima_formula":98,"mindat_formula":99,"hmin":60,"hmax":11,"dmeas":11,"dcalc":100,"primary_image_id":11},39878,"Ferri-fluoro-leakeite","NaNa\u003Csub>2\u003C\u002Fsub>(Mg\u003Csub>2\u003C\u002Fsub>Fe\u003Csup>3+\u003C\u002Fsup>\u003Csub>2\u003C\u002Fsub>Li)Si\u003Csub>8\u003C\u002Fsub>O\u003Csub>22\u003C\u002Fsub>F\u003Csub>2\u003C\u002Fsub>","NaNa\u003Csub>2\u003C\u002Fsub>(Mg\u003Csub>2\u003C\u002Fsub>Fe\u003Csup>3+\u003C\u002Fsup>\u003Csub>2\u003C\u002Fsub>Li)(Si\u003Csub>8\u003C\u002Fsub>O\u003Csub>22\u003C\u002Fsub>)F\u003Csub>2\u003C\u002Fsub>","3.245",{"id":102,"name":103,"entrytype":9,"csystem":44,"ima_formula":104,"mindat_formula":105,"hmin":106,"hmax":60,"dmeas":107,"dcalc":108,"primary_image_id":109},2362,"Ferri-leakeite","Na(NaLi)(Mg\u003Csub>2\u003C\u002Fsub>Fe\u003Csup>3+\u003C\u002Fsup>\u003Csub>2\u003C\u002Fsub>Li)Si\u003Csub>8\u003C\u002Fsub>O\u003Csub>22\u003C\u002Fsub>(OH)\u003Csub>2\u003C\u002Fsub>","NaNa\u003Csub>2\u003C\u002Fsub>(Mg\u003Csub>2\u003C\u002Fsub>Fe\u003Csup>3+\u003C\u002Fsup>\u003Csub>2\u003C\u002Fsub>Li)Si\u003Csub>8\u003C\u002Fsub>O\u003Csub>22\u003C\u002Fsub>(OH)\u003Csub>2\u003C\u002Fsub>",5.5,"3.11","3.107",8533,{"id":111,"name":112,"entrytype":9,"csystem":44,"ima_formula":113,"mindat_formula":114,"hmin":60,"hmax":60,"dmeas":115,"dcalc":116,"primary_image_id":11},6951,"Ferro-ferri-fluoro-leakeite","NaNa\u003Csub>2\u003C\u002Fsub>(Fe\u003Csup>2+\u003C\u002Fsup>\u003Csub>2\u003C\u002Fsub>Fe\u003Csup>3+\u003C\u002Fsup>\u003Csub>2\u003C\u002Fsub>Li)Si\u003Csub>8\u003C\u002Fsub>O\u003Csub>22\u003C\u002Fsub>F\u003Csub>2\u003C\u002Fsub>","NaNa\u003Csub>2\u003C\u002Fsub>(Fe\u003Csup>2+\u003C\u002Fsup>\u003Csub>2\u003C\u002Fsub>Fe\u003Csup>3+\u003C\u002Fsup>\u003Csub>2\u003C\u002Fsub>Li)(Si\u003Csub>8\u003C\u002Fsub>O\u003Csub>22\u003C\u002Fsub>)F\u003Csub>2\u003C\u002Fsub>","3.37","3.34",{"id":118,"name":119,"entrytype":9,"csystem":44,"ima_formula":120,"mindat_formula":121,"hmin":60,"hmax":60,"dmeas":11,"dcalc":122,"primary_image_id":11},39547,"Fluoro-leakeite","NaNa\u003Csub>2\u003C\u002Fsub>(Mg\u003Csub>2\u003C\u002Fsub>Al\u003Csub>2\u003C\u002Fsub>Li)Si\u003Csub>8\u003C\u002Fsub>O\u003Csub>22\u003C\u002Fsub>F\u003Csub>2\u003C\u002Fsub>","NaNa\u003Csub>2\u003C\u002Fsub>(Mg\u003Csub>2\u003C\u002Fsub>Al\u003Csub>2\u003C\u002Fsub>Li)(Si\u003Csub>8\u003C\u002Fsub>O\u003Csub>22\u003C\u002Fsub>)F\u003Csub>2\u003C\u002Fsub>","3.14",{"id":124,"name":125,"entrytype":9,"csystem":44,"ima_formula":126,"mindat_formula":126,"hmin":11,"hmax":11,"dmeas":11,"dcalc":127,"primary_image_id":11},46705,"Oxo-mangani-leakeite","NaNa\u003Csub>2\u003C\u002Fsub>(Mn\u003Csup>3+\u003C\u002Fsup>\u003Csub>4\u003C\u002Fsub>Li)Si\u003Csub>8\u003C\u002Fsub>O\u003Csub>22\u003C\u002Fsub>O\u003Csub>2\u003C\u002Fsub>"," 3.25",{"id":129,"name":130,"entrytype":9,"csystem":44,"ima_formula":131,"mindat_formula":132,"hmin":45,"hmax":45,"dmeas":51,"dcalc":133,"primary_image_id":11},11434,"Potassic-ferri-leakeite","KNa\u003Csub>2\u003C\u002Fsub>(Mg\u003Csub>2\u003C\u002Fsub>Fe\u003Csup>3+\u003C\u002Fsup>\u003Csub>2\u003C\u002Fsub>Li)Si\u003Csub>8\u003C\u002Fsub>O\u003Csub>22\u003C\u002Fsub>(OH)\u003Csub>2\u003C\u002Fsub>","KNa\u003Csub>2\u003C\u002Fsub>(Mg\u003Csub>2\u003C\u002Fsub>Fe\u003Csup>3+\u003C\u002Fsup>\u003Csub>2\u003C\u002Fsub>Li)(Si\u003Csub>8\u003C\u002Fsub>O\u003Csub>22\u003C\u002Fsub>)(OH)\u003Csub>2\u003C\u002Fsub>","3.18",[],[],[137],{"id":138,"txt":139,"latitude":140,"longitude":141,"country":142},3071,"Wessels Mine, Joe Morolong Local Municipality, John Taolo Gaetsewe District Municipality, Northern Cape, South Africa",-27.1135346,22.8543941,"South Africa",[144,147,150,154,157,161,165,170,175],{"id":145,"year":11,"html":146,"doi":11},16114162,"Mineralogist, 44, 1-21.",{"id":148,"year":34,"html":149,"doi":11},16153382,"Armbruster, Thomas, Oberhänsli, Roland, Bermanec, Vladimir, Dixon, Roger D. (1993) Hennomartinite and kornite, two new Mn3+ rich silicates from the Wessels Mine, Kalahari, South Africa. Schweizerische Mineralogische und Petrographische Mitteilungen: 73: 349-355.",{"id":151,"year":152,"html":153,"doi":11},16099752,1997,"Leake, B. E.; Woolley, A. R.; Arps, C. E. S.; Birch, W. D.; Gilbert, M. C.; Grice, J. D.; Hawthorne, F. C.; Kato, A.; Kisch, H. J.; Krivovichev, V. G.; et al. (1997) Nomenclature of amphiboles: Report of the Subcommittee on Amphiboles of the International Mineralogical Association, Commission on New Minerals and Mineral Names. \u003Ci>American Mineralogist\u003C\u002Fi>,  82. 1019-1037 \u003Ca target='_blank' href='https:\u002F\u002Frruff.info\u002Fdoclib\u002Fam\u002Fvol82\u002FAM82_1019.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":155,"year":152,"html":156,"doi":11},16121617,"Mandarino, Joseph A. (1997) \u003Ci>New Minerals 1990-1994\u003C\u002Fi>. The Mineralogical Record Inc., Tuscon, Arizona. 220pp.",{"id":158,"year":159,"html":160,"doi":11},12909050,1998,"Mandarino, Joseph A. (1998) The Second List of Additions and Corrections to the Glossary of Mineral Species (1995) - The Amphibole Group. \u003Ci>The Mineralogical Record\u003C\u002Fi>, 29 (3) 169-174",{"id":162,"year":163,"html":164,"doi":11},16965368,2001,"(2001) Potassic-mangani-leakeite. \u003Ci>Handbook of Mineralogy\u003C\u002Fi>. Mineralogical Society of America \u003Ca target='_blank' href='https:\u002F\u002Fwww.handbookofmineralogy.org\u002Fpdfs\u002Fkornite.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":166,"year":167,"html":168,"doi":169},64226,2006,"Hawthorne, F. C., Oberti, R. (2006) On the classification of amphiboles. \u003Ci>The Canadian Mineralogist\u003C\u002Fi>,  44 (1) 1-21 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.2113\u002Fgscanmin.44.1.1'>doi:10.2113\u002Fgscanmin.44.1.1\u003C\u002Fa>","10.2113\u002Fgscanmin.44.1.1",{"id":171,"year":172,"html":173,"doi":174},396910,2012,"Hawthorne, F. C., Oberti, R., Harlow, G. E., Maresch, W. V., Martin, R. F., Schumacher, J. C., Welch, M. D. (2012) Nomenclature of the amphibole supergroup. \u003Ci>American Mineralogist\u003C\u002Fi>,  97 (11) 2031-2048 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.2138\u002Fam.2012.4276'>doi:10.2138\u002Fam.2012.4276\u003C\u002Fa> \u003Ca target='_blank' href='https:\u002F\u002Frruff.info\u002Frruff_1.0\u002Fuploads\u002FAM97_2031.pdf' class='refpdflink'>\u003C\u002Fa>","10.2138\u002Fam.2012.4276",{"id":176,"year":177,"html":178,"doi":179},129566,2017,"Danisi, Rosa Micaela, Armbruster, Thomas (2017) Crystal structure of potassic-mangani-leakeite from the Wessels Mine, Kalahari Manganese Field, South Africa. \u003Ci>European Journal of Mineralogy\u003C\u002Fi>,  29 (1) 142-147 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1127\u002Fejm\u002F2017\u002F0029-2588'>doi:10.1127\u002Fejm\u002F2017\u002F0029-2588\u003C\u002Fa>","10.1127\u002Fejm\u002F2017\u002F0029-2588",[181],{"id":182,"source_url":183,"license_code":184,"credit_html":185,"title":186,"description":187,"author":188,"original_width":189,"original_height":189},8532,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=85534918","CC BY-SA 3.0","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=85534918\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Potassic-mangani-leakeite-846570.jpg","2.8 x 2.4 x 1.8 cm. Kornite (now potassic-mangani-leakeite) is an extremely rare sodium amphiboles species that is only found in two localities in the world. This piece just happens to be from the type locality for the species, the Wessels Mine in South Africa. This mineral was originially named kornite (for the German geologist Hermann Korn), but was discredited in the 2012 amphibole nomenclature and the mineral renamed potassic-mangani-leakeite. Dark red to brownish \"kornite\" can be seen associated with dark reddish-black colored prismatic manganvesuvianite on matrix. From the collection of Paolo Matioli.","Robert M. Lavinsky",864,[],[192,193,194,195,196],"IMA1992-032","Kornit","Kornita","Kornite","Potassic-mangani-leakeiet",[198,202,207,211],{"lang":199,"names":200},"ca",[201],"potassicmanganileakeïta",{"lang":203,"names":204},"de",[205,206],"IMA 1992-032","Kalium-Mangani-Leakeit",{"lang":208,"names":209},"eu",[210],"Potasio-mangani-leakeita",{"lang":212,"names":213},"it",[214,215],"kornite","potassic-mangani-leakeite","Q3816494",{"history":11,"applications":11}]