[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"minerals:one:2868":3},{"id":4,"longid":5,"guid":6,"name":7,"shortcode_ima":8,"entrytype":9,"entrytype_text":10,"varietyof":11,"synid":11,"polytypeof":11,"groupid":11,"weighting":12,"nolocadd":13,"blacklisted":13,"mindat_formula":14,"mindat_formula_note":11,"ima_formula":15,"elements":16,"sigelements":21,"key_elements":11,"impurities":22,"cim":11,"ima_status":23,"ima_notes":11,"ima_history":11,"approval_year":11,"publication_year":25,"discovery_year":26,"strunz10ed1":27,"strunz10ed2":28,"strunz10ed3":29,"strunz10ed4":30,"dana8ed1":31,"dana8ed2":32,"dana8ed3":33,"dana8ed4":32,"csystem":34,"cclass":35,"spacegroup":36,"spacegroupset":37,"a":38,"b":39,"c":40,"alpha":37,"beta":37,"gamma":37,"aerror":41,"berror":42,"cerror":43,"alphaerror":11,"betaerror":11,"gammaerror":11,"va3":11,"z":11,"csmetamict":13,"commentcrystal":11,"twinning":11,"tranglide":11,"parting":11,"epitaxidescription":11,"morphology":44,"tlform":45,"hmin":46,"hmax":46,"hardtype":11,"vhnmin":37,"vhnmax":37,"vhnerror":11,"vhng":11,"vhns":11,"commenthard":11,"dmeas":37,"dmeas2":37,"dcalc":47,"dmeaserror":11,"dcalcerror":11,"commentdense":48,"lustre":49,"lustretype":49,"commentluster":11,"diapheny":50,"streak":51,"colour":52,"commentcolor":11,"colors":53,"streak_colors":56,"luminescence":11,"uv":57,"cleavage":58,"cleavagetype":59,"fracturetype":11,"tenacity":11,"commentbreak":11,"opticaltype":60,"opticalsign":61,"opticalalpha":62,"opticalalpha2":37,"opticalalphaerror":43,"opticalbeta":63,"opticalbeta2":37,"opticalbetaerror":43,"opticalgamma":64,"opticalgamma2":37,"opticalgammaerror":43,"opticalomega":37,"opticalomega2":37,"opticalomegaerror":11,"opticalepsilon":37,"opticalepsilon2":37,"opticalepsilonerror":11,"opticaln":37,"opticaln2":37,"opticalnerror":11,"optical2vcalc":65,"optical2vcalc2":37,"optical2vcalcerror":11,"optical2vmeasured":66,"optical2vmeasured2":37,"optical2vmeasurederror":11,"rimin":67,"rimax":68,"opticaldispersion":69,"opticalpleochroism":11,"opticalpleochorismdesc":11,"opticalbirefringence":11,"opticalcomments":70,"opticalcolour":11,"opticalinternal":11,"opticaltropic":11,"opticalanisotropism":11,"opticalbireflectance":11,"opticalextinction":11,"opticalr":11,"specdispm":11,"ir":11,"electrical":11,"magnetism":11,"thermalbehaviour":11,"other":11,"industrial":11,"occurrence":71,"otheroccurrence":11,"type_specimen_store":72,"description_short":11,"aboutname":73,"rock_parent":11,"rock_parent2":11,"rock_root":9,"rock_bgs_code":11,"meteoritical_code":11,"updttime":74,"reviewed_at":11,"variety_of":11,"varieties":75,"group_members":76,"associates":77,"confused_with":78,"type_localities":79,"occurrence_total":43,"citations":86,"images":95,"structures":116,"synonyms":123,"language_names":125,"wikidata_qid":149,"texts":150},2868,"1:1:2868:0","3d762215-fc48-4470-9c9b-09a15e6030dd","Nchwaningite","Nwg",0,"mineral",null,41,false,"Mn\u003Csup>2+\u003C\u002Fsup>\u003Csub>2\u003C\u002Fsub>(SiO\u003Csub>3\u003C\u002Fsub>)(OH)\u003Csub>2\u003C\u002Fsub>·H\u003Csub>2\u003C\u002Fsub>O","Mn\u003Csub>2\u003C\u002Fsub>SiO\u003Csub>3\u003C\u002Fsub>(OH)\u003Csub>2\u003C\u002Fsub> · H\u003Csub>2\u003C\u002Fsub>O",[17,18,19,20],"Mn","Si","O","H",[17,18,19,20],",Al,Fe,Mg,Ca,",[24],"APPROVED",1995,"1995","9","D","B","30","65","1","8","Orthorhombic",6,29,"0","12.672","7.217","5.341",9,3,2,"Platy parallel to (010) and terminated by subordinate (110) faces. The point is formed by faces of the type (h0l), predominantly (201) and (301).","Radiating balls, up to 5 mm in diameter, of acicular crystals. Crystals to 1.0 x 0.2 x 0. 1 mm.",5.5,"3.202","Not measured due to scarcity of material.","Vitreous","Transparent","White","Light brown",[54,55],"brown","white",[55],"No fluorescence under LW or SW UV.","Two perfect cleavages, parallel to (100) and (010).","Perfect","Biaxial","-","1.681","1.688","1.690","56","54",1.681,1.69,"weak to distinct","Y = a, X = b, Z = c","Fault zones in a manganese deposit. Formation temperature is estimated to be in a range of 270-420 C, with pressures between 0.2-1.0 kbar.","Museum of the Geological Survey in Pretoria, South Africa, catalogue number MGS 28362.\r\nNaturhistorisches Museum, Bernastrasse 15. CH-3005 Bern, Switzerland, number NMB-B 8735.","After the type locality, N'Chwaning II mine, South Africa.","2025-08-11 12:14:22",[],[],[],[],[80],{"id":81,"txt":82,"latitude":83,"longitude":84,"country":85},3067,"N'Chwaning II Mine, N'Chwaning Mines, Joe Morolong Local Municipality, John Taolo Gaetsewe District Municipality, Northern Cape, South Africa",-27.1361111,22.8647222,"South Africa",[87,91],{"id":88,"year":25,"html":89,"doi":90},393294,"Nyfeler, Daniel, Armbruster, Thomas, Dixon, Roger, Bermanec, Vladimir (1995) Nchwaningite, Mn\u003Csup>2+\u003C\u002Fsup>\u003Csub>2\u003C\u002Fsub>SiO\u003Csub>3\u003C\u002Fsub>(OH)\u003Csub>2\u003C\u002Fsub>.H\u003Csub>2\u003C\u002Fsub>O, a new pyroxene-related chain silicate from the N'chwaning Mine, Kalahari manganese field, South Africa. \u003Ci>American Mineralogist\u003C\u002Fi>,  80 (3-4). 377-386 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.2138\u002Fam-1995-3-419'>doi:10.2138\u002Fam-1995-3-419\u003C\u002Fa> \u003Ca target='_blank' href='https:\u002F\u002Frruff.info\u002Fdoclib\u002Fam\u002Fvol80\u002FAM80_377.pdf' class='refpdflink'>\u003C\u002Fa>","10.2138\u002Fam-1995-3-419",{"id":92,"year":93,"html":94,"doi":11},12908894,1996,"Mandarino, Joseph A. (1996) Abstracts of New Mineral Descriptions. \u003Ci>The Mineralogical Record\u003C\u002Fi>, 27 (3) 201-204",[96,106],{"id":97,"source_url":98,"license_code":99,"credit_html":100,"title":101,"description":102,"author":103,"original_width":104,"original_height":105},17507,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=65772351","CC BY-SA 4.0","David Hospital, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=65772351\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Nchwaningite.jpg","Nchwaningite is an extremely rare manganese silicate mineral only known from two localities in Kalahari, worldwide. It occurs as brown acicular aggregates. From: NChwaning II Mine, Kuruman, North Cape Province, South Africa.","David Hospital",967,667,{"id":107,"source_url":108,"license_code":109,"credit_html":110,"title":111,"description":112,"author":113,"original_width":114,"original_height":115},17506,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10150868","CC BY-SA 3.0","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10150868\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Nchwaningite-Calcite-174232.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FNchwaningite\" class=\"extiw\" title=\"en:Nchwaningite\">Nchwaningite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FCalcite\" class=\"extiw\" title=\"en:Calcite\">Calcite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: N'Chwaning Mines, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FKuruman,_Northern_Cape\" class=\"extiw\" title=\"en:Kuruman, Northern Cape\">Kuruman\u003C\u002Fa>, Kalahari manganese fields, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FNorthern_Cape\" class=\"extiw\" title=\"en:Northern Cape\">Northern Cape Province\u003C\u002Fa>, South Africa (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-55925.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 1.7 x 1.3 x 0.4 cm.\u003C\u002Fdd>\n\u003Cdd>Both important and attractive, this combination thumbnail has two well-formed, quality Calcites and several good sprays of Nchwaningite. Ex. Willy Israel and Pieter De Bruyn Collection.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>","Robert M. Lavinsky",600,565,[117],{"id":118,"url":119,"label":120,"formula":121,"spacegroup":122,"year":25},9814,"\u002Fcif\u002F9814.cif","Nyfeler 1995","Mn1.85 Mg.106 Al.012 Fe.008 Ca.008 Si O6 H4","P c a 21",[124],"IMA1994-002",[126,130,135,139,142,145],{"lang":127,"names":128},"ca",[129],"nchwaningita",{"lang":131,"names":132},"de",[133,134],"IMA 1994-002","Nchwaningit",{"lang":136,"names":137},"eu",[138],"Nchwaningita",{"lang":140,"names":141},"fr",[7],{"lang":143,"names":144},"it",[7],{"lang":146,"names":147},"nl",[148],"Nchwaningiet","Q3031507",{"history":11,"applications":11}]