[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"minerals:one:1150":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":20,"key_elements":21,"impurities":11,"cim":22,"ima_status":23,"ima_notes":11,"ima_history":11,"approval_year":11,"publication_year":26,"discovery_year":27,"strunz10ed1":28,"strunz10ed2":29,"strunz10ed3":30,"strunz10ed4":31,"dana8ed1":32,"dana8ed2":33,"dana8ed3":34,"dana8ed4":33,"csystem":35,"cclass":36,"spacegroup":37,"spacegroupset":38,"a":39,"b":40,"c":41,"alpha":42,"beta":43,"gamma":42,"aerror":11,"berror":11,"cerror":11,"alphaerror":11,"betaerror":11,"gammaerror":11,"va3":11,"z":44,"csmetamict":13,"commentcrystal":45,"twinning":46,"tranglide":11,"parting":11,"epitaxidescription":11,"morphology":47,"tlform":11,"hmin":48,"hmax":48,"hardtype":11,"vhnmin":49,"vhnmax":50,"vhnerror":11,"vhng":51,"vhns":11,"commenthard":11,"dmeas":52,"dmeas2":53,"dcalc":54,"dmeaserror":11,"dcalcerror":11,"commentdense":11,"lustre":11,"lustretype":55,"commentluster":11,"diapheny":56,"streak":57,"colour":58,"commentcolor":11,"colors":59,"streak_colors":63,"luminescence":11,"uv":64,"cleavage":65,"cleavagetype":66,"fracturetype":11,"tenacity":67,"commentbreak":11,"opticaltype":11,"opticalsign":11,"opticalalpha":42,"opticalalpha2":42,"opticalalphaerror":11,"opticalbeta":42,"opticalbeta2":42,"opticalbetaerror":11,"opticalgamma":42,"opticalgamma2":42,"opticalgammaerror":11,"opticalomega":42,"opticalomega2":42,"opticalomegaerror":11,"opticalepsilon":42,"opticalepsilon2":42,"opticalepsilonerror":11,"opticaln":42,"opticaln2":42,"opticalnerror":11,"optical2vcalc":42,"optical2vcalc2":42,"optical2vcalcerror":11,"optical2vmeasured":42,"optical2vmeasured2":42,"optical2vmeasurederror":11,"rimin":11,"rimax":11,"opticaldispersion":11,"opticalpleochroism":11,"opticalpleochorismdesc":11,"opticalbirefringence":11,"opticalcomments":11,"opticalcolour":68,"opticalinternal":11,"opticaltropic":69,"opticalanisotropism":70,"opticalbireflectance":71,"opticalextinction":11,"opticalr":72,"specdispm":11,"ir":11,"electrical":11,"magnetism":11,"thermalbehaviour":11,"other":11,"industrial":11,"occurrence":11,"otheroccurrence":73,"type_specimen_store":11,"description_short":11,"aboutname":74,"rock_parent":11,"rock_parent2":11,"rock_root":9,"rock_bgs_code":11,"meteoritical_code":11,"updttime":75,"reviewed_at":11,"variety_of":11,"varieties":76,"group_members":77,"associates":78,"confused_with":88,"type_localities":89,"occurrence_total":96,"citations":97,"images":179,"structures":230,"synonyms":242,"language_names":254,"wikidata_qid":285,"texts":286},1150,"1:1:1150:7","ba7a76c8-070e-4adf-aae0-df44d8cbd7e9","Crednerite","Cnr",0,"mineral",null,402,false,"Cu\u003Csup>+\u003C\u002Fsup>Mn\u003Csup>3+\u003C\u002Fsup>O\u003Csub>2\u003C\u002Fsub>","CuMnO\u003Csub>2\u003C\u002Fsub>",[17,18,19],"Cu","Mn","O",[17,18,19],[17],"7.3.5",[24,25],"APPROVED","GRANDFATHERED",1847,"1847","4","A","B","05","7","1","2","Monoclinic",5,11,"C1 2\u002Fm 1","5.58","2.87","5.87","0","104",2,"on synthetic material","Three-fold set of striae intersecting on the plate at about 60° may represent twin lamellae. Polysynthetic twinning noted in polished sections at times.","Occurs in thin six-sided plates; radiating, hemispherical or spherulitic aggregates. Earthy coatings.",4,"231","297",100,"4.98","5.34","5.46","Metallic","Opaque","Brownish-black","Bright gray to iron black",[60,61,62],"gray","black","brown",[62,61],"None","In the plane of the plate; along the striae and inclined about 76° to the plate - less perfect.\r\nperfect {001}; also {100}, perfect, \u003Cmi>{_111}\u003C\u002Fmi>, prominent, {111} and {212}, poor.","Perfect","brittle","cream white","Anisotropic","strong","Strong; pale yellow to brownish gray","(28.3,28.6) 400,\r\n (27.4,30.1) 420,\r\n (26.5,31.6) 440,\r\n (25.8,32.9) 460,\r\n (25.1,33.7) 480,\r\n (24.5,34.0) 500,\r\n (24.1,34.3) 520,\r\n (23.8,34.2) 540,\r\n (23.5,34.1) 560,\r\n (23.3,33.7) 580,\r\n (23.1,33.1) 600,\r\n (22.9,32.6) 620,\r\n (22.7,32.0) 640,\r\n (22.5,31.2) 660,\r\n (22.4,30.5) 680,\r\n (22.2,29.9) 700","low-temperature secondary mineral","Named in honor of Karl Friedrich Heinrich Credner (13 March 1809,  Waltershausen, Saxe-Gotha-Altenburg (now Germany) – 28 September 1876, Halle, Saxony-Anhalt), German mining geologist and mineralogist who discovered the mineral.","2026-02-09 12:13:58",[],[],[79],{"id":80,"name":81,"entrytype":9,"csystem":82,"ima_formula":83,"mindat_formula":83,"hmin":84,"hmax":84,"dmeas":85,"dcalc":86,"primary_image_id":87},4073,"Tangeite","Orthorhombic","CaCu(VO\u003Csub>4\u003C\u002Fsub>)(OH)",3.5,"3.75","3.84",23552,[],[90],{"id":91,"txt":92,"latitude":93,"longitude":94,"country":95},798,"Glücksstern Mine, Gottlob Hill, Friedrichroda, Gotha District, Thuringia, Germany",50.8517998,10.569534,"Germany",41,[98,101,104,107,112,117,121,126,130,134,138,143,146,151,155,160,165,170,174],{"id":99,"year":26,"html":100,"doi":11},16106741,"Credner, C.F.H. (1847) Uber das Vorkommen von vanadinsaurem Kupfer-Oxyd und Kupfer-Manganerz bei Friedrichrode im Thuringer Wald. Neues Jahrbuch für Mineralogie, Geognosie, Geologie und Petrefaktenkunde: 1-7. (as Kupferhaltige Manganerz).",{"id":102,"year":26,"html":103,"doi":11},16106742,"Hausmann (1847) 1582 (as Mangankupferoxyd).",{"id":105,"year":26,"html":106,"doi":11},16106754,"Credner, C.F.H. (1847) Uber das Vorkommen von vanadinsaurem Kupfer-Oxyd und Kupfer-Manganerz bei Friedrichrode im Thuringer Wald. Neues Jahrbuch für Mineralogie, Geognosie, Geologie und Petrefaktenkunde: 1-7.",{"id":108,"year":109,"html":110,"doi":111},4460530,1848,"Rammelsberg, C. (1848) Ueber das Mangankupfererz von Friedrichsrode, Zusatz zu der vorhergehenden Abhandlung. \u003Ci>Poggendorffs Annalen der Physik und Chemie\u003C\u002Fi>,  150. 559-562 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1002\u002Fandp.18481500808'>doi:10.1002\u002Fandp.18481500808\u003C\u002Fa>","10.1002\u002Fandp.18481500808",{"id":113,"year":114,"html":115,"doi":116},5032,1923,"Spencer, L. J. (1923) New lead-copper minerals from the Mendip Hills (Somerset) \u003Ci>Mineralogical Magazine and Journal of the Mineralogical Society\u003C\u002Fi>,  20 (102) 67-92 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1180\u002Fminmag.1923.020.102.01'>doi:10.1180\u002Fminmag.1923.020.102.01\u003C\u002Fa> \u003Ca target='_blank' href='https:\u002F\u002Frruff.info\u002Fdoclib\u002FMinMag\u002FVolume_20\u002F20-102-67.pdf' class='refpdflink'>\u003C\u002Fa>","10.1180\u002Fminmag.1923.020.102.01",{"id":118,"year":119,"html":120,"doi":11},16106745,1924,"Wherry, E.T. (1924) Redefinition of species. American Mineralogist: 9: 97-98.",{"id":122,"year":123,"html":124,"doi":125},16112106,1931,"Orcel, Jean, Pavlovitch, Stoyan (1931) Les caractères microscopiques des oxydes de manganèse et des manganites naturels (Détermination de leurs pouvoirs réflecteurs) \u003Ci>Bulletin de Minéralogie\u003C\u002Fi>,  54 (5) 108-179 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.3406\u002Fbulmi.1931.4130'>doi:10.3406\u002Fbulmi.1931.4130\u003C\u002Fa> \u003Ca target='_blank' href='https:\u002F\u002Fwww.persee.fr\u002FdocAsPDF\u002Fbulmi_0366-3248_1931_num_54_5_4130.pdf' class='refpdflink'>\u003C\u002Fa>","10.3406\u002Fbulmi.1931.4130",{"id":127,"year":128,"html":129,"doi":11},1118651,1944,"Palache, Charles, Berman, Harry, Frondel, Clifford (1944) \u003Ci>The System of Mineralogy\u003C\u002Fi> (7th ed.) Vol. 1 - Elements, Sulfides, Sulfosalts, Oxides. John Wiley and Sons, New York.",{"id":131,"year":132,"html":133,"doi":11},522767,1956,"McAndrew, John (1956) Crystallography and composition of crednerite. \u003Ci>American Mineralogist\u003C\u002Fi>,  41 (3-4) 276-287 \u003Ca target='_blank' href='http:\u002F\u002Fwww.minsocam.org\u002Fammin\u002FAM41\u002FAM41_276.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":135,"year":136,"html":137,"doi":11},16106749,1959,"Kondrashev, I.D. (1959) The crystal structure and composition of crednerite, CuMnO2. Soviet Physics - Crystallography: 3: 703-706.",{"id":139,"year":140,"html":141,"doi":142},401563,1966,"Gaudefroy, Christophe, Dietrich, Joseph, Permingeat, François, Picot, Paul (1966) La crednérite, sa composition chimique et sa signification génétique. \u003Ci>Bulletin de Minéralogie\u003C\u002Fi>,  89 (1) 80-88 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.3406\u002Fbulmi.1966.5932'>doi:10.3406\u002Fbulmi.1966.5932\u003C\u002Fa>","10.3406\u002Fbulmi.1966.5932",{"id":144,"year":140,"html":145,"doi":11},524618,"Fleischer, Michael (1966) New Mineral Names. \u003Ci>American Mineralogist\u003C\u002Fi>,  51 (11-12) 1815-1820 \u003Ca target='_blank' href='http:\u002F\u002Fwww.minsocam.org\u002Fammin\u002FAM51\u002FAM51_1815.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":147,"year":148,"html":149,"doi":150},16596174,1969,"Ramdohr, Paul (1969) \u003Ci>The Ore Minerals and their Intergrowths\u003C\u002Fi>. Pergamon Press, Oxford. 1174pp. \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1016\u002Fc2013-0-10027-x'>doi:10.1016\u002Fc2013-0-10027-x\u003C\u002Fa>","10.1016\u002Fc2013-0-10027-x",{"id":152,"year":153,"html":154,"doi":11},16106751,1987,"Palenzona, A. (1987) La crednerite di Gambatesa (Val Graveglia). Rivista Mineratogica Italiana: 2: 80-81.",{"id":156,"year":157,"html":158,"doi":159},444519,1991,"Holtstam, Dan (1991) Crednerite from Långban and Jakobsberg, Filipstad, Sweden. \u003Ci>Geologiska Föreningen i Stockholm Förhandlingar\u003C\u002Fi>,  113 (2) 159-161 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1080\u002F11035899109453849'>doi:10.1080\u002F11035899109453849\u003C\u002Fa>","10.1080\u002F11035899109453849",{"id":161,"year":162,"html":163,"doi":164},81883,1994,"MATSUBARA, Satoshi, KATO, Akira, HASHIMOTO, Etsuo, SEKIUCHI, Kôsuke (1994) Crednerite from the Gozaisho Mine, Iwaki City, Fukushima Prefecture, Japan. \u003Ci>Mineralogical Journal\u003C\u002Fi>,  17 (1) 21-27 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.2465\u002Fminerj.17.21'>doi:10.2465\u002Fminerj.17.21\u003C\u002Fa>","10.2465\u002Fminerj.17.21",{"id":166,"year":167,"html":168,"doi":169},114660,1995,"Töpfer, J., Trari, M., Gravereau, P., Chaminade, J. P., Doumerc, J. P. (1995) Crystal growth and reinvestigation of the crystal structure of crednerite, CuMnO2. \u003Ci>Zeitschrift für Kristallographie - Crystalline Materials\u003C\u002Fi>,  210 (3) 184-187 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1524\u002Fzkri.1995.210.3.184'>doi:10.1524\u002Fzkri.1995.210.3.184\u003C\u002Fa> \u003Ca target='_blank' href='https:\u002F\u002Frruff.info\u002Fdoclib\u002Fzk\u002Fvol210\u002FZK210_184.pdf' class='refpdflink'>\u003C\u002Fa>","10.1524\u002Fzkri.1995.210.3.184",{"id":171,"year":172,"html":173,"doi":11},16963826,2005,"(2005) Crednerite. \u003Ci>Handbook of Mineralogy\u003C\u002Fi>. Mineralogical Society of America \u003Ca target='_blank' href='https:\u002F\u002Fwww.handbookofmineralogy.org\u002Fpdfs\u002Fcrednerite.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":175,"year":176,"html":177,"doi":178},18028859,2025,"Malaescu, Iosif, Poienar, Maria, Marin, Catalin N. (2025) Investigation of the Electrical Properties of Polycrystalline Crednerite CuMn1−xMgxO2 (x = 0–0.06)-Type Materials in a Low-Frequency Field. \u003Ci>Crystals\u003C\u002Fi>,  15 (2).  \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.3390\u002Fcryst15020184'>doi:10.3390\u002Fcryst15020184\u003C\u002Fa>","10.3390\u002Fcryst15020184",[180,190,197,204,210,215,221],{"id":181,"source_url":182,"license_code":183,"credit_html":184,"title":185,"description":186,"author":187,"original_width":188,"original_height":189},6423,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10151944","CC BY-SA 3.0","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10151944\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Crednerite-177928.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FCrednerite\" class=\"extiw\" title=\"en:Crednerite\">Crednerite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Torr Works Quarry (Merehead Quarry), \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FCranmore\" class=\"extiw\" title=\"en:Cranmore\">Cranmore\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FSomerset\" class=\"extiw\" title=\"en:Somerset\">Somerset\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FEngland\" class=\"extiw\" title=\"en:England\">England\u003C\u002Fa>, UK (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-1618.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 7 x 4 x 4 cm.\u003C\u002Fdd>\n\u003Cdd>This is an extremely rare copper species, CuMnO2; and a very rich specimen featuring a beautiful, bright, metallic spray of flat crednerite crystals to 2 cm. Ex. Eric Asselborn Collection.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>","Robert M. Lavinsky",700,608,{"id":191,"source_url":192,"license_code":193,"credit_html":194,"title":7,"description":11,"author":11,"original_width":195,"original_height":196},29547,"https:\u002F\u002Fgeocollections.info\u002Ffile\u002F91549","CC BY-SA 4.0","Photo: Unknown author — http:\u002F\u002Fcreativecommons.org\u002Flicenses\u002Fby-sa\u002F4.0\u002F, courtesy of \u003Ca href=\"https:\u002F\u002Fgeocollections.info\u002Ffile\u002F91549\" rel=\"noopener\">The Estonian Museum of Natural History\u003C\u002Fa> via Europeana",1000,761,{"id":198,"source_url":199,"license_code":183,"credit_html":200,"title":201,"description":186,"author":187,"original_width":202,"original_height":203},6424,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10151946","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10151946\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Crednerite-177929.jpg",367,400,{"id":205,"source_url":206,"license_code":183,"credit_html":207,"title":208,"description":209,"author":187,"original_width":188,"original_height":189},6425,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10447500","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10447500\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Crednerite-ea17a.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FCrednerite\" class=\"extiw\" title=\"en:Crednerite\">Crednerite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FSomerset\" class=\"extiw\" title=\"en:Somerset\">Somerset\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FEngland\" class=\"extiw\" title=\"en:England\">England\u003C\u002Fa>, UK (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-18307.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: small cabinet, 7 x 4 x 4 cm\n\u003Cdl>\u003Cdt>Crednerite\u003C\u002Fdt>\u003C\u002Fdl>\u003C\u002Fdd>\n\u003Cdd>This is an extremely rare copper species, CuMnO2; and a very rich specimen featuring a beautiful, bright, metallic spray of flat crednerite crystals to 2 cm. There is also an unidentified microscopic green mineral present at the upper-left (probably a molybdate).\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",{"id":211,"source_url":212,"license_code":183,"credit_html":213,"title":214,"description":209,"author":187,"original_width":202,"original_height":203},6426,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10447502","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10447502\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Crednerite-ea17b.jpg",{"id":216,"source_url":217,"license_code":183,"credit_html":218,"title":219,"description":209,"author":187,"original_width":203,"original_height":220},6427,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10447504","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10447504\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Crednerite-ea17c.jpg",313,{"id":222,"source_url":223,"license_code":193,"credit_html":224,"title":225,"description":226,"author":227,"original_width":228,"original_height":229},6428,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=82982828","Mai Seppel, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=82982828\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Estonian Museum of Natural History Specimen No 201963 photo (g27 g27-295 1 jpg).jpg","\"kredneriit\". More info \u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fgeocollections.info\u002Ffile\u002F91549\">about this file\u003C\u002Fa> and \u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fgeocollections.info\u002Fspecimen\u002F201963\">about this specimen\u003C\u002Fa> at \u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fgeocollections.info\u002F\">geocollections.info\u003C\u002Fa>","Mai Seppel",2894,2205,[231,237],{"id":232,"url":233,"label":234,"formula":235,"spacegroup":236,"year":167},3298,"\u002Fcif\u002F3298.cif","Topfer 1995","Cu1.04 Mn.96 O2","C 1 2\u002Fm 1",{"id":238,"url":239,"label":240,"formula":241,"spacegroup":236,"year":136},3299,"\u002Fcif\u002F3299.cif","Kondrashev 1959","Cu Mn O2",[243,244,245,246,247,248,249,250,251,252,253],"Copper-manganese","Credneriet","Kupferhaltige manganerz","Kupferhaltiges manganerz","Kupfermangan","Kupfermanganerz","Kupfermanganschwärze","Lepidophäit","Lepidophäite","Mangankupfererz","Mangankupferoxyd",[255,259,263,267,271,274,277,281],{"lang":256,"names":257},"ca",[258],"crednerita",{"lang":260,"names":261},"de",[262],"Crednerit",{"lang":264,"names":265},"es",[266],"Crednerita",{"lang":268,"names":269},"et",[270],"kredneriit",{"lang":272,"names":273},"eu",[266],{"lang":275,"names":276},"it",[7],{"lang":278,"names":279},"uk",[280],"Креднерит",{"lang":282,"names":283},"zh",[284],"锰铜矿","Q3696903",{"history":11,"applications":11}]