[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"minerals:one:1158":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":22,"key_elements":11,"impurities":23,"cim":24,"ima_status":25,"ima_notes":11,"ima_history":11,"approval_year":11,"publication_year":11,"discovery_year":28,"strunz10ed1":29,"strunz10ed2":30,"strunz10ed3":31,"strunz10ed4":32,"dana8ed1":33,"dana8ed2":34,"dana8ed3":35,"dana8ed4":36,"csystem":37,"cclass":38,"spacegroup":39,"spacegroupset":40,"a":41,"b":42,"c":43,"alpha":40,"beta":44,"gamma":40,"aerror":11,"berror":11,"cerror":11,"alphaerror":11,"betaerror":11,"gammaerror":11,"va3":11,"z":11,"csmetamict":14,"commentcrystal":45,"twinning":46,"tranglide":11,"parting":11,"epitaxidescription":11,"morphology":47,"tlform":11,"hmin":48,"hmax":48,"hardtype":11,"vhnmin":40,"vhnmax":40,"vhnerror":11,"vhng":11,"vhns":11,"commenthard":11,"dmeas":49,"dmeas2":50,"dcalc":40,"dmeaserror":11,"dcalcerror":11,"commentdense":11,"lustre":11,"lustretype":51,"commentluster":11,"diapheny":52,"streak":53,"colour":54,"commentcolor":11,"colors":55,"streak_colors":60,"luminescence":11,"uv":61,"cleavage":62,"cleavagetype":63,"fracturetype":64,"tenacity":65,"commentbreak":11,"opticaltype":66,"opticalsign":67,"opticalalpha":68,"opticalalpha2":40,"opticalalphaerror":11,"opticalbeta":69,"opticalbeta2":40,"opticalbetaerror":11,"opticalgamma":69,"opticalgamma2":40,"opticalgammaerror":11,"opticalomega":40,"opticalomega2":40,"opticalomegaerror":11,"opticalepsilon":40,"opticalepsilon2":40,"opticalepsilonerror":11,"opticaln":40,"opticaln2":40,"opticalnerror":11,"optical2vcalc":40,"optical2vcalc2":40,"optical2vcalcerror":11,"optical2vmeasured":40,"optical2vmeasured2":40,"optical2vmeasurederror":11,"rimin":70,"rimax":71,"opticaldispersion":72,"opticalpleochroism":73,"opticalpleochorismdesc":74,"opticalbirefringence":75,"opticalcomments":11,"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":11,"otheroccurrence":76,"type_specimen_store":11,"description_short":77,"aboutname":78,"rock_parent":11,"rock_parent2":11,"rock_root":9,"rock_bgs_code":11,"meteoritical_code":11,"updttime":79,"reviewed_at":11,"variety_of":11,"varieties":80,"group_members":81,"associates":173,"confused_with":214,"type_localities":217,"occurrence_total":224,"citations":225,"images":300,"structures":485,"synonyms":515,"language_names":524,"wikidata_qid":572,"texts":573},1158,"1:1:1158:3","a729f0f9-0876-4ecf-9631-ee2921ea9d5c","Cronstedtite","Cro",0,"mineral",null,11135,1674,false,"Fe\u003Csup>2+\u003C\u002Fsup>\u003Csub>2\u003C\u002Fsub>Fe\u003Csup>3+\u003C\u002Fsup>((Si,Fe\u003Csup>3+\u003C\u002Fsup>)\u003Csub>2\u003C\u002Fsub>O\u003Csub>5\u003C\u002Fsub>)(OH)\u003Csub>4\u003C\u002Fsub>","(Fe\u003Csup>2+\u003C\u002Fsup>,Fe\u003Csup>3+\u003C\u002Fsup>)\u003Csub>3\u003C\u002Fsub>(Si,Fe\u003Csup>3+\u003C\u002Fsup>)\u003Csub>2\u003C\u002Fsub>O\u003Csub>5\u003C\u002Fsub>(OH)\u003Csub>4\u003C\u002Fsub>",[18,19,20,21],"Fe","Si","O","H",[18,19,20,21],",Al,Ca,,","14.19.7",[26,27],"APPROVED","GRANDFATHERED","1821","9","E","D","15","71","1","4","7","Trigonal",11,82,"0","5.49","9.51","7.32","104.51","Stacking polytypes; 2H\u003Csub>1\u003C\u002Fsub>: P6\u003Csub>3\u003C\u002Fsub>cm; 2H\u003Csub>2\u003C\u002Fsub>: P\u003Csub>63\u003C\u002Fsub>; 3T: P3\u003Csub>1\u003C\u002Fsub>; 1M: Cm; 6T\u003Csub>2\u003C\u002Fsub>: P3\u003Csub>1\u003C\u002Fsub>","Twin axis [100], interpenetrating trigonal pyramids.","Pseudohexagonal prisms, divergent fibrous groups, \"cylindrical\", reniform, massive. Many polytypes are known and pedion faces may be triangular or pseudohexagonal.",3.5,"3.34","3.35","Waxy,Sub-Metallic","Translucent,Opaque","Dark olive-green","Black, dark brown-black, green-black",[56,57,58,59],"black","brown","green","gray",[58],"Not fluorescent in UV","on {001}","Perfect","Micaceous","elastic","Biaxial","-","1.72","1.80",1.72,1.8,"r \u003C v moderate","Visible","In brown and blacks","0.08","Low temperature hydrothermal mineral.","Several polytypes are known (see Crystallography section). A new non-MDO polytype, 6T2, was discovered in 2013 in Pohled, Czech Republic (Hybler et al., 2016).","Named by Josef Johann Steinmann in 1821 in honor of Axel Fredrik Cronstedt (1722-1765), Swedish chemist and mineralogist who discovered nickel, scheelite and coined the term zeolite. Cronstedt's mineralogical books revolutionized mineralogy and he is sometimes regarded as the father of modern mineralogy.","2025-09-26 14:23:54",[],[82,92,102,108,115,122,126,134,143,151,157,166],{"id":83,"name":84,"entrytype":9,"csystem":85,"ima_formula":86,"mindat_formula":86,"hmin":87,"hmax":88,"dmeas":89,"dcalc":90,"primary_image_id":91},197,"Amesite","Triclinic","Mg\u003Csub>2\u003C\u002Fsub>Al(AlSiO\u003Csub>5\u003C\u002Fsub>)(OH)\u003Csub>4\u003C\u002Fsub>",2.5,3,"2.77","2.7",1100,{"id":93,"name":94,"entrytype":9,"csystem":95,"ima_formula":96,"mindat_formula":97,"hmin":48,"hmax":98,"dmeas":99,"dcalc":100,"primary_image_id":101},260,"Antigorite","Monoclinic","Mg\u003Csub>3\u003C\u002Fsub>Si\u003Csub>2\u003C\u002Fsub>O\u003Csub>5\u003C\u002Fsub>(OH)\u003Csub>4\u003C\u002Fsub>","Mg\u003Csub>3\u003C\u002Fsub>(Si\u003Csub>2\u003C\u002Fsub>O\u003Csub>5\u003C\u002Fsub>)(OH)\u003Csub>4\u003C\u002Fsub>",4,"2.5","2.52",1581,{"id":103,"name":104,"entrytype":9,"csystem":95,"ima_formula":105,"mindat_formula":105,"hmin":87,"hmax":87,"dmeas":40,"dcalc":106,"primary_image_id":107},639,"Berthierine","(Fe\u003Csup>2+\u003C\u002Fsup>,Fe\u003Csup>3+\u003C\u002Fsup>,Al)\u003Csub>3\u003C\u002Fsub>(Si,Al)\u003Csub>2\u003C\u002Fsub>O\u003Csub>5\u003C\u002Fsub>(OH)\u003Csub>4\u003C\u002Fsub>","3.06",3130,{"id":109,"name":110,"entrytype":9,"csystem":95,"ima_formula":111,"mindat_formula":111,"hmin":87,"hmax":88,"dmeas":112,"dcalc":113,"primary_image_id":114},774,"Brindleyite","(Ni,Al)\u003Csub>3\u003C\u002Fsub>(Si,Al)\u003Csub>2\u003C\u002Fsub>O\u003Csub>5\u003C\u002Fsub>(OH)\u003Csub>4\u003C\u002Fsub>","3.17","3.16",3943,{"id":116,"name":117,"entrytype":9,"csystem":95,"ima_formula":118,"mindat_formula":118,"hmin":88,"hmax":48,"dmeas":119,"dcalc":120,"primary_image_id":121},913,"Caryopilite","Mn\u003Csup>2+\u003C\u002Fsup>\u003Csub>3\u003C\u002Fsub>Si\u003Csub>2\u003C\u002Fsub>O\u003Csub>5\u003C\u002Fsub>(OH)\u003Csub>4\u003C\u002Fsub>","2.83","2.788",4818,{"id":123,"name":124,"entrytype":9,"csystem":95,"ima_formula":96,"mindat_formula":97,"hmin":87,"hmax":87,"dmeas":40,"dcalc":40,"primary_image_id":125},975,"Chrysotile",5708,{"id":127,"name":128,"entrytype":9,"csystem":95,"ima_formula":129,"mindat_formula":130,"hmin":48,"hmax":98,"dmeas":131,"dcalc":132,"primary_image_id":133},1588,"Fraipontite","(Zn,Al)\u003Csub>3\u003C\u002Fsub>(Si,Al)\u003Csub>2\u003C\u002Fsub>O\u003Csub>5\u003C\u002Fsub>(OH)\u003Csub>4\u003C\u002Fsub>","(Zn,Al)\u003Csub>3\u003C\u002Fsub>((Si,Al)\u003Csub>2\u003C\u002Fsub>O\u003Csub>5\u003C\u002Fsub>)(OH)\u003Csub>4\u003C\u002Fsub>","3.08","3.49",9339,{"id":135,"name":136,"entrytype":9,"csystem":137,"ima_formula":138,"mindat_formula":139,"hmin":98,"hmax":140,"dmeas":141,"dcalc":142,"primary_image_id":11},39763,"Guidottiite","Hexagonal","Mn\u003Csub>2\u003C\u002Fsub>Fe\u003Csup>3+\u003C\u002Fsup>(SiFe\u003Csup>3+\u003C\u002Fsup>)O\u003Csub>5\u003C\u002Fsub>(OH)\u003Csub>4\u003C\u002Fsub>","Mn\u003Csub>2\u003C\u002Fsub>Fe\u003Csup>3+\u003C\u002Fsup>(Fe\u003Csup>3+\u003C\u002Fsup>SiO\u003Csub>5\u003C\u002Fsub>)(OH)\u003Csub>4\u003C\u002Fsub>",4.5,"3.33","3.264",{"id":144,"name":145,"entrytype":9,"csystem":137,"ima_formula":146,"mindat_formula":147,"hmin":87,"hmax":87,"dmeas":148,"dcalc":149,"primary_image_id":150},2180,"Kellyite","(Mn\u003Csup>2+\u003C\u002Fsup>,Mg,Al)\u003Csub>3\u003C\u002Fsub>(Si,Al)\u003Csub>2\u003C\u002Fsub>O\u003Csub>5\u003C\u002Fsub>(OH)\u003Csub>4\u003C\u002Fsub>","Mn\u003Csup>2+\u003C\u002Fsup>\u003Csub>2\u003C\u002Fsub>Al(AlSiO\u003Csub>5\u003C\u002Fsub>)(OH)\u003Csub>4\u003C\u002Fsub>","3.07","3.11",13109,{"id":152,"name":153,"entrytype":9,"csystem":37,"ima_formula":96,"mindat_formula":97,"hmin":87,"hmax":87,"dmeas":154,"dcalc":155,"primary_image_id":156},2425,"Lizardite","2.55","2.57",64811,{"id":158,"name":159,"entrytype":9,"csystem":160,"ima_formula":161,"mindat_formula":161,"hmin":162,"hmax":87,"dmeas":163,"dcalc":164,"primary_image_id":165},2882,"Népouite","Orthorhombic","Ni\u003Csub>3\u003C\u002Fsub>Si\u003Csub>2\u003C\u002Fsub>O\u003Csub>5\u003C\u002Fsub>(OH)\u003Csub>4\u003C\u002Fsub>",2,"3.24","3.26",17559,{"id":167,"name":168,"entrytype":9,"csystem":95,"ima_formula":161,"mindat_formula":169,"hmin":11,"hmax":11,"dmeas":170,"dcalc":171,"primary_image_id":172},3139,"Pecoraite","Ni\u003Csub>3\u003C\u002Fsub>(Si\u003Csub>2\u003C\u002Fsub>O\u003Csub>5\u003C\u002Fsub>)(OH)\u003Csub>4\u003C\u002Fsub>","3.084","3.47",18965,[174,181,191,199,207],{"id":175,"name":176,"entrytype":9,"csystem":95,"ima_formula":177,"mindat_formula":177,"hmin":162,"hmax":87,"dmeas":178,"dcalc":179,"primary_image_id":180},1070,"Clinochlore","Mg\u003Csub>5\u003C\u002Fsub>Al(AlSi\u003Csub>3\u003C\u002Fsub>O\u003Csub>10\u003C\u002Fsub>)(OH)\u003Csub>8\u003C\u002Fsub>","2.6","2.628",29493,{"id":182,"name":183,"entrytype":9,"csystem":184,"ima_formula":185,"mindat_formula":185,"hmin":186,"hmax":187,"dmeas":188,"dcalc":189,"primary_image_id":190},3314,"Pyrite","Isometric","FeS\u003Csub>2\u003C\u002Fsub>",6,6.5,"4.8","5.01",20239,{"id":192,"name":193,"entrytype":9,"csystem":37,"ima_formula":194,"mindat_formula":194,"hmin":195,"hmax":195,"dmeas":196,"dcalc":197,"primary_image_id":198},3337,"Quartz","SiO\u003Csub>2\u003C\u002Fsub>",7,"2.65","2.66",30579,{"id":200,"name":201,"entrytype":9,"csystem":37,"ima_formula":202,"mindat_formula":203,"hmin":48,"hmax":140,"dmeas":204,"dcalc":205,"primary_image_id":206},3647,"Siderite","Fe(CO\u003Csub>3\u003C\u002Fsub>)","FeCO\u003Csub>3\u003C\u002Fsub>","3.96","3.932",22253,{"id":208,"name":209,"entrytype":9,"csystem":184,"ima_formula":210,"mindat_formula":210,"hmin":48,"hmax":98,"dmeas":211,"dcalc":212,"primary_image_id":213},3727,"Sphalerite","ZnS","3.9","4.096",66200,[215,216],{"id":127,"name":128,"entrytype":9,"csystem":95,"ima_formula":129,"mindat_formula":130,"hmin":48,"hmax":98,"dmeas":131,"dcalc":132,"primary_image_id":133},{"id":135,"name":136,"entrytype":9,"csystem":137,"ima_formula":138,"mindat_formula":139,"hmin":98,"hmax":140,"dmeas":141,"dcalc":142,"primary_image_id":11},[218],{"id":219,"txt":220,"latitude":221,"longitude":222,"country":223},779,"Příbram District, Central Bohemian Region, Czech Republic",49.6883333,14.0091667,"Czech Republic",64,[226,230,235,240,245,249,254,259,263,268,273,278,282,286,290,295],{"id":227,"year":228,"html":229,"doi":11},523723,1962,"Frondel, Cliford (1962) Polytypism in cronstedtite. \u003Ci>American Mineralogist\u003C\u002Fi>,  47 (5-6) 781-782 \u003Ca target='_blank' href='http:\u002F\u002Fwww.minsocam.org\u002Fammin\u002FAM47\u002FAM47_781.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":231,"year":232,"html":233,"doi":234},615923,1963,"Steadman, R., Nuttall, P. M. (1963) Polymorphism in cronstedtite. \u003Ci>Acta Crystallographica\u003C\u002Fi>,  16 (1) 1-8 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1107\u002Fs0365110x63000013'>doi:10.1107\u002Fs0365110x63000013\u003C\u002Fa>","10.1107\u002Fs0365110x63000013",{"id":236,"year":237,"html":238,"doi":239},619046,1964,"Steadman, R., Nuttall, P. M. (1964) Further polymorphism in cronstedtite. \u003Ci>Acta Crystallographica\u003C\u002Fi>,  17 (4) 404-406 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1107\u002Fs0365110x64000913'>doi:10.1107\u002Fs0365110x64000913\u003C\u002Fa>","10.1107\u002Fs0365110x64000913",{"id":241,"year":242,"html":243,"doi":244},12664453,1981,"MacKenzie, K.J.D., Berezowski, R.M. (1981) Thermal and Mossbauer studies of iron-containing hydrous silicates. III. Cronstedtite. \u003Ci>Thermochimica Acta\u003C\u002Fi>, 44. 171-187 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1016\u002F0040-6031(81)80039-1'>doi:10.1016\u002F0040-6031(81)80039-1\u003C\u002Fa>","10.1016\u002F0040-6031(81)80039-1",{"id":246,"year":247,"html":248,"doi":11},16106856,1988,"Mineralogical Record (1988): 19: 169.",{"id":250,"year":251,"html":252,"doi":253},146997,1994,"Smrčok, Ľubomír; Ďurovič, Slavomil; Petříček, Václav; Weiss, Zdeněk (1994) Refinement of the Crystal Structure of Cronstedtite-3T. \u003Ci>Clays and Clay Minerals\u003C\u002Fi>,  42 (5). 544-551 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1346\u002Fccmn.1994.0420505'>doi:10.1346\u002Fccmn.1994.0420505\u003C\u002Fa>","10.1346\u002Fccmn.1994.0420505",{"id":255,"year":256,"html":257,"doi":258},147560,2000,"Hybler, Jiří; Petříček, Václav; Ďurovič, Slavomil; Smrčok, Ĺubomír (2000) Refinement of the Crystal Structure of Cronstedtite-1\u003Ci>T\u003C\u002Fi>. \u003Ci>Clays and Clay Minerals\u003C\u002Fi>,  48 (3). 331-338 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1346\u002Fccmn.2000.0480304'>doi:10.1346\u002Fccmn.2000.0480304\u003C\u002Fa>","10.1346\u002Fccmn.2000.0480304",{"id":260,"year":261,"html":262,"doi":11},16963835,2001,"(2001) Cronstedtite. \u003Ci>Handbook of Mineralogy\u003C\u002Fi>. Mineralogical Society of America \u003Ca target='_blank' href='https:\u002F\u002Fwww.handbookofmineralogy.org\u002Fpdfs\u002Fcronstedtite.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":264,"year":265,"html":266,"doi":267},147933,2004,"Ďurovič, Slavomil; Hybler, Jiří; Kogure, Toshihiro (2004) Parallel intergrowths in cronstedtite-1\u003Ci>T\u003C\u002Fi>: Implications for structure refinement. \u003Ci>Clays and Clay Minerals\u003C\u002Fi>,  52 (5). 613-621 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1346\u002Fccmn.2004.0520507'>doi:10.1346\u002Fccmn.2004.0520507\u003C\u002Fa>","10.1346\u002Fccmn.2004.0520507",{"id":269,"year":270,"html":271,"doi":272},8510468,2014,"Hybler, Jiří (2014) Refinement of cronstedtite-1M. \u003Ci>Acta Crystallographica Section B Structural Science, Crystal Engineering and Materials\u003C\u002Fi>,  70 (6). 963-972 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1107\u002Fs2052520614020897'>doi:10.1107\u002Fs2052520614020897\u003C\u002Fa> \u003Ca target='_blank' href='https:\u002F\u002Fwww.researchgate.net\u002Fprofile\u002FJiri_Hybler\u002Fpublication\u002F269177646_Refinement_of_cronstedtite-1M\u002Flinks\u002F563b478e08ae405111a6f989.pdf' class='refpdflink'>\u003C\u002Fa>","10.1107\u002Fs2052520614020897",{"id":274,"year":275,"html":276,"doi":277},16069018,2016,"Hybler, J., Seikora, J, Venclík, V., Hybler, J., Sejkora, J., Venclík, V. (2016)  Polytypism of cronstedtite from Pohled, Czech Republic. \u003Ci>European Journal of Mineralogy\u003C\u002Fi>,  28 (4). 765-775 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1127\u002Fejm\u002F2016\u002F0028-2532'>doi:10.1127\u002Fejm\u002F2016\u002F0028-2532\u003C\u002Fa> \u003Ca target='_blank' href='https:\u002F\u002Fwww.researchgate.net\u002Fprofile\u002FJiri-Hybler\u002Fpublication\u002F311387603_Polytypism_of_cronstedtite_from_Pohled_Czech_Republic\u002Flinks\u002F5be009b1299bf1124fbb8bd4\u002FPolytypism-of-cronstedtite-from-Pohled-Czech-Republic.pdf?_tp=eyJjb250ZXh0Ijp7ImZpcnN0UGFnZSI6InB1YmxpY2F0aW9uIiwicGFnZSI6InB1YmxpY2F0aW9uIn19?pdf' class='refpdflink'>\u003C\u002Fa>","10.1127\u002Fejm\u002F2016\u002F0028-2532",{"id":279,"year":275,"html":280,"doi":281},129513,"Hybler, Jiří (2016) Crystal structure of cronstedtite-6\u003Ci>T\u003C\u002Fi>\u003Csub>2\u003C\u002Fsub>, a non-MDO polytype. \u003Ci>European Journal of Mineralogy\u003C\u002Fi>,  28 (4). 777-788 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1127\u002Fejm\u002F2016\u002F0028-2541'>doi:10.1127\u002Fejm\u002F2016\u002F0028-2541\u003C\u002Fa>","10.1127\u002Fejm\u002F2016\u002F0028-2541",{"id":283,"year":284,"html":285,"doi":11},16693403,2017,"Hybler, J., Sejkora, J. (2017) Polytypism of cronstedtite from Chyňava, Czech Republic. \u003Ci>Journal of GEOsciences\u003C\u002Fi>,  62 (2) 137-146 \u003Ca target='_blank' href='http:\u002F\u002Fwww.jgeosci.org\u002Fcontent\u002Fjgeosci.239_hybler.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":287,"year":284,"html":288,"doi":289},129560,"Hybler, Jiří, Števko, Martin, Sejkora, Jiří (2017) Polytypism of cronstedtite from Nižná Slaná, Slovakia. \u003Ci>European Journal of Mineralogy\u003C\u002Fi>,  29 (1) 91-99 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1127\u002Fejm\u002F2017\u002F0029-2582'>doi:10.1127\u002Fejm\u002F2017\u002F0029-2582\u003C\u002Fa>","10.1127\u002Fejm\u002F2017\u002F0029-2582",{"id":291,"year":292,"html":293,"doi":294},13473262,2021,"Hybler, Jiří, Dolníček, Zdeněk, Sejkora, Jiří, Števko, Martin (2021) Polytypism of Cronstedtite from Ouedi Beht, El Hammam, Morocco. \u003Ci>Clays and Clay Minerals\u003C\u002Fi>, 69 (6) 702-734 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1007\u002Fs42860-021-00157-2'>doi:10.1007\u002Fs42860-021-00157-2\u003C\u002Fa>","10.1007\u002Fs42860-021-00157-2",{"id":296,"year":297,"html":298,"doi":299},17782087,2024,"Hybler, Jiří; Števko, Martin; Dolníček, Zdeněk; Sejkora, Jiří (2024) Polytypism of cronstedtite from two localities in Mexico. \u003Ci>Bulletin Mineralogie Petrologie\u003C\u002Fi>,  32 (2). 177-186 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.46861\u002Fbmp.32.177'>doi:10.46861\u002Fbmp.32.177\u003C\u002Fa>","10.46861\u002Fbmp.32.177",[301,308,318,322,332,336,343,350,357,363,372,379,389,397,406,415,423,432,442,448,457,463,470,476],{"id":302,"source_url":303,"license_code":304,"credit_html":305,"title":7,"description":11,"author":11,"original_width":306,"original_height":307},29554,"https:\u002F\u002Fgeocollections.info\u002Ffile\u002F179359","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\u002F179359\" rel=\"noopener\">University of Tartu, Natural History Museum\u003C\u002Fa> via Europeana",1000,750,{"id":309,"source_url":310,"license_code":311,"credit_html":312,"title":313,"description":314,"author":315,"original_width":316,"original_height":317},51156,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=3919861","Public domain","Karelj, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=3919861\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Cronstendtit 1.jpg","Mineral cronstedtite, chemical composition: complex iron silicate, from collection of \u003Ca href=\"\u002F\u002Fcommons.wikimedia.org\u002Fwiki\u002FCategory:National_Museum_(Prague)\" class=\"mw-disambig\" title=\"Category:National Museum (Prague)\">National Museum\u003C\u002Fa>, \u003Ca href=\"\u002F\u002Fcommons.wikimedia.org\u002Fwiki\u002FPrague\" class=\"mw-redirect\" title=\"Prague\">Prague\u003C\u002Fa>, Czech Republic, originally from \u003Ca href=\"\u002F\u002Fcommons.wikimedia.org\u002Fwiki\u002FCzech_Republic\" class=\"mw-redirect\" title=\"Czech Republic\">Czech Republic\u003C\u002Fa>","Karelj",2028,1580,{"id":319,"source_url":320,"license_code":304,"credit_html":321,"title":7,"description":11,"author":11,"original_width":306,"original_height":307},29555,"https:\u002F\u002Fgeocollections.info\u002Ffile\u002F179387","Photo: Unknown author — http:\u002F\u002Fcreativecommons.org\u002Flicenses\u002Fby-sa\u002F4.0\u002F, courtesy of \u003Ca href=\"https:\u002F\u002Fgeocollections.info\u002Ffile\u002F179387\" rel=\"noopener\">University of Tartu, Natural History Museum\u003C\u002Fa> via Europeana",{"id":323,"source_url":324,"license_code":325,"credit_html":326,"title":327,"description":328,"author":329,"original_width":330,"original_height":331},51157,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10138408","CC BY-SA 3.0","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10138408\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Cronstedtite-112560.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FCronstedtite\" class=\"extiw\" title=\"en:Cronstedtite\">Cronstedtite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Herja Mine (Kisbánya), \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FBaia_Mare\" class=\"extiw\" title=\"en:Baia Mare\">Baia Mare (Nagybánya)\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FMaramure%C5%9F_County\" class=\"extiw\" title=\"en:Maramureş County\">Maramures County\u003C\u002Fa>, Romania (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-2601.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>A rich crust covered with sharp, lustrous , fat crystals to 2-3 mm in size, makes this a very fine miniature of this classic rarity (a complex iron silicate with multiple oxidation states of iron in the same crystal). It comes from one of the important old location, as well. Superb miniature, better in person 5 x 3.9 x 1.6 cm\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>","Robert M. Lavinsky",600,531,{"id":333,"source_url":334,"license_code":304,"credit_html":335,"title":7,"description":11,"author":11,"original_width":306,"original_height":307},29556,"https:\u002F\u002Fgeocollections.info\u002Ffile\u002F179390","Photo: Unknown author — http:\u002F\u002Fcreativecommons.org\u002Flicenses\u002Fby-sa\u002F4.0\u002F, courtesy of \u003Ca href=\"https:\u002F\u002Fgeocollections.info\u002Ffile\u002F179390\" rel=\"noopener\">University of Tartu, Natural History Museum\u003C\u002Fa> via Europeana",{"id":337,"source_url":338,"license_code":325,"credit_html":339,"title":340,"description":341,"author":329,"original_width":307,"original_height":342},51158,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10161973","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10161973\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Cronstedtite-219106.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FCronstedtite\" class=\"extiw\" title=\"en:Cronstedtite\">Cronstedtite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Herja Mine (Kisbánya), \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FBaia_Mare\" class=\"extiw\" title=\"en:Baia Mare\">Baia Mare (Nagybánya)\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FMaramure%C5%9F_County\" class=\"extiw\" title=\"en:Maramureş County\">Maramures County\u003C\u002Fa>, Romania (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-2601.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 3.5 x 2.3 x 1.8 cm.\u003C\u002Fdd>\n\u003Cdd>Cronstedtite is a rare iron silicate of the serpentine group. This very rich and showy little specimen is festooned with lustrous, black, trigonal crystals to 3 mm on a 3-dimensional crust of matrix. It is a rare occurrence to have such a rich coverage of cronstedtite, and this specimen displays very well. This is a classic rarity from the famous Herja Mine of Romania.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",547,{"id":344,"source_url":345,"license_code":325,"credit_html":346,"title":347,"description":341,"author":329,"original_width":348,"original_height":349},51159,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10161974","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10161974\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Cronstedtite-219107.jpg",400,321,{"id":351,"source_url":352,"license_code":325,"credit_html":353,"title":354,"description":355,"author":329,"original_width":330,"original_height":356},51160,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10170745","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10170745\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Cronstedtite-270285.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FCronstedtite\" class=\"extiw\" title=\"en:Cronstedtite\">Cronstedtite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Siglo Veinte Mine (Siglo XX Mine; Llallagua Mine; Catavi), \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FLlallagua\" class=\"extiw\" title=\"en:Llallagua\">Llallagua\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FRafael_Bustillo_Province\" class=\"extiw\" title=\"en:Rafael Bustillo Province\">Rafael Bustillo Province\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FPotos%C3%AD_Department\" class=\"extiw\" title=\"en:Potosí Department\">Potosí Department\u003C\u002Fa>, Bolivia (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-336.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 3.4 x 2.3 x 0.7 cm.\u003C\u002Fdd>\n\u003Cdd>Cronstedtite is a rare iron silicate of the serpentine group. This very rich and beautiful specimen is festooned with lustrous, black, trigonal crystals to 1-2 mm on a thin crust of matrix. The crystals are formed into crude botryoids. It is a rare occurrence to have such a rich coverage of cronstedtite, and this specimen displays very well. This is a classic rarity from the famous Siglo XX Mine of Bolivia and is very seldom available.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",416,{"id":358,"source_url":359,"license_code":325,"credit_html":360,"title":361,"description":362,"author":329,"original_width":330,"original_height":331},51161,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10453265","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10453265\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Cronstedtite-mrz147a.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FCronstedtite\" class=\"extiw\" title=\"en:Cronstedtite\">Cronstedtite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Kisbanya, Romania\u003C\u002Fdd>\n\u003Cdd>Size: miniature, 5 x 3.9 x 1.6 cm\n\u003Cdl>\u003Cdt>Cronstedtite\u003C\u002Fdt>\u003C\u002Fdl>\u003C\u002Fdd>\n\u003Cdd>A rich crust covered with sharp, lustrous , fat crystals to 2-3 mm in size, makes this a very fine miniature of this classic rarity (a complex iron silicate with multiple oxidation states of iron in the same crystal). It comes from one of the important old location, as well. Superb miniature, better in person\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",{"id":364,"source_url":365,"license_code":325,"credit_html":366,"title":367,"description":368,"author":369,"original_width":370,"original_height":371},51162,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=114394321","Leon Hupperichs, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=114394321\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Cronstedtite-385965.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FCronstedtite\" class=\"extiw\" title=\"en:Cronstedtite\">Cronstedtite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Field of view 6 mm\u003C\u002Fdd>\n\u003Cdd>Locality: Hohe Warte Mine, Hagental, Gernrode, Quedlinburg, Harz, Saxony-Anhalt, Germany\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>","Leon Hupperichs",1133,955,{"id":373,"source_url":374,"license_code":325,"credit_html":375,"title":376,"description":377,"author":369,"original_width":378,"original_height":371},51163,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=114394376","Leon Hupperichs, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=114394376\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Cronstedtite-385967.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FCronstedtite\" class=\"extiw\" title=\"en:Cronstedtite\">Cronstedtite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Field of view 5 mm\u003C\u002Fdd>\n\u003Cdd>Locality: Hohe Warte Mine, Hagental, Gernrode, Quedlinburg, Harz, Saxony-Anhalt, Germany\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",1171,{"id":380,"source_url":381,"license_code":382,"credit_html":383,"title":384,"description":385,"author":386,"original_width":387,"original_height":388},51164,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=114394639","CC BY 3.0","Kelly Nash, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=114394639\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Cronstedtite-439933.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FCronstedtite\" class=\"extiw\" title=\"en:Cronstedtite\">Cronstedtite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Dimensions: 24 mm x 21 mm x 12 mm\u003C\u002Fdd>\n\u003Cdd>Locality: Siglo Veinte Mine (Siglo XX Mine; Llallagua Mine; Catavi), Llallagua, Rafael Bustillo Province, Potosí, Bolivia\u003C\u002Fdd>\n\u003Cdd>Description: Spherical aggregates of cronstedtite crystals on matrix. Ex Ron Pellar Collection via Dan Weinrich. K. Nash specimen and photo.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>","Kelly Nash",1392,1406,{"id":390,"source_url":391,"license_code":382,"credit_html":392,"title":393,"description":394,"author":386,"original_width":395,"original_height":396},51165,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=114394643","Kelly Nash, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=114394643\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Cronstedtite-439934.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FCronstedtite\" class=\"extiw\" title=\"en:Cronstedtite\">Cronstedtite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Dimensions: 24 mm x 21 mm x 12 mm\u003C\u002Fdd>\n\u003Cdd>Locality: Siglo Veinte Mine (Siglo XX Mine; Llallagua Mine; Catavi), Llallagua, Rafael Bustillo Province, Potosí, Bolivia\u003C\u002Fdd>\n\u003Cdd>Description: Closeup of 4 mm. spherical aggregates of cronstedtite crystals on matrix. Ex Ron Pellar Collection via Dan Weinrich. K. Nash specimen and photo\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",643,672,{"id":398,"source_url":399,"license_code":311,"credit_html":400,"title":401,"description":402,"author":403,"original_width":404,"original_height":405},51166,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=114394977","Jerry Cone, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=114394977\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Cronstedtite-882465.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FCronstedtite\" class=\"extiw\" title=\"en:Cronstedtite\">Cronstedtite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Oswaldo No. 2 Mine, Oswaldo Mine, Hanover-Fierro Mining District, Grant County, New Mexico, USA\u003C\u002Fdd>\n\u003Cdd>Field of view: 1.7 mm\u003C\u002Fdd>\n\u003Cdd>Description: These black cronstedtite crystals and goethite sprays were obtained from Bob Jenkins at the Tucson Gem & Mineral Show in 2018.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>","Jerry Cone",5128,3528,{"id":407,"source_url":408,"license_code":325,"credit_html":409,"title":410,"description":411,"author":412,"original_width":413,"original_height":414},6464,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=13742912","Didier Descouens, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=13742912\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Cronstedite France.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FCronstedtite\" class=\"extiw\" title=\"en:Cronstedtite\">Cronstedtite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FPyrite\" class=\"extiw\" title=\"en:Pyrite\">Pyrite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FSiderite\" class=\"extiw\" title=\"en:Siderite\">Siderite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality : Salsigne mine, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FSalsigne\" class=\"extiw\" title=\"en:Salsigne\">Salsigne\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FMas-Cabard%C3%A8s\" class=\"extiw\" title=\"en:Mas-Cabardès\">Mas-Cabardès\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FCarcassonne\" class=\"extiw\" title=\"en:Carcassonne\">Carcassonne\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FAude\" class=\"extiw\" title=\"en:Aude\">Aude\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FLanguedoc-Roussillon\" class=\"extiw\" title=\"en:Languedoc-Roussillon\">Languedoc-Roussillon\u003C\u002Fa>, France\u003C\u002Fdd>\n\u003Cdd>Size : 3.5 cm\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>","Didier Descouens",3710,2383,{"id":416,"source_url":417,"license_code":304,"credit_html":418,"title":419,"description":420,"author":412,"original_width":421,"original_height":422},6465,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=13936655","Didier Descouens, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=13936655\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Cronstedtite Pisani.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FCronstedtite\" class=\"extiw\" title=\"en:Cronstedtite\">Cronstedtite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Wheal Jane (Falmouth Consolidated Mines), Baldhu, Kea, Camborne - Redruth - St Day District, Cornwall, England, UK\u003C\u002Fdd>\n\u003Cdd>Size : view 1.5  cm\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",3564,3648,{"id":424,"source_url":425,"license_code":304,"credit_html":426,"title":427,"description":428,"author":429,"original_width":430,"original_height":431},6466,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=132069124","Kaethe17, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=132069124\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Cronstedtit-siderit.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FCronstedtite\" class=\"extiw\" title=\"en:Cronstedtite\">Cronstedtite\u003C\u002Fa> and \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FSiderite\" class=\"extiw\" title=\"en:Siderite\">Siderite\u003C\u002Fa> (Weight: 102.4 g) – Locality: Magdalenengang, Kutná Hora District, Czech Republic","Kaethe17",4104,2736,{"id":433,"source_url":434,"license_code":435,"credit_html":436,"title":437,"description":438,"author":439,"original_width":440,"original_height":441},6467,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=146468903","CC BY 4.0","Slashme, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=146468903\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Cronstedtit Quarz 1.jpg","Cronstedtite and quartz from Kutna Hora, Czech Republic","Slashme",5198,3462,{"id":443,"source_url":444,"license_code":435,"credit_html":445,"title":446,"description":447,"author":439,"original_width":440,"original_height":441},6468,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=146468906","Slashme, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=146468906\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Cronstedtit Quarz 2.jpg","Cronstedtit Quarz aus Kutna Hora, Tschechien",{"id":449,"source_url":450,"license_code":304,"credit_html":451,"title":452,"description":453,"author":454,"original_width":455,"original_height":456},2422,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=146522155","Kritzolina, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=146522155\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Cronstedtite and Quartz 01.jpg","Cronstedtite and Quartz from Kutna Hora, Czechia","Kritzolina",4237,2825,{"id":458,"source_url":459,"license_code":325,"credit_html":460,"title":461,"description":355,"author":329,"original_width":348,"original_height":462},6471,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10170746","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10170746\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Cronstedtite-270286.jpg",347,{"id":464,"source_url":465,"license_code":304,"credit_html":466,"title":467,"description":453,"author":454,"original_width":468,"original_height":469},6469,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=146522156","Kritzolina, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=146522156\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Cronstedtite and Quartz 02.jpg",4955,3303,{"id":471,"source_url":472,"license_code":304,"credit_html":473,"title":474,"description":453,"author":454,"original_width":475,"original_height":422},6470,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=146522157","Kritzolina, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=146522157\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Cronstedtite and Quartz 03.jpg",5472,{"id":477,"source_url":478,"license_code":435,"credit_html":479,"title":480,"description":481,"author":482,"original_width":483,"original_height":484},6472,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=152108918","Miguel Calvo, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=152108918\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Cronstedtita 3.jpg","Cronstedtita. Grupo de cristales sobre siderita. Mina Brunita, la Unión (Murcia) España.Campo, 2 cm. Col. y foto Miguel Calvo.","Miguel Calvo",5792,3802,[486,493,498,503,508],{"id":487,"url":488,"label":489,"formula":490,"spacegroup":491,"year":492},3341,"\u002Fcif\u002F3341.cif","Hybler 2006 · Fe3.63 Si1.37 O9 H4","Fe3.63 Si1.37 O9 H4","P 3 1 m",2006,{"id":494,"url":495,"label":496,"formula":497,"spacegroup":491,"year":492},3342,"\u002Fcif\u002F3342.cif","Hybler 2006 · Fe3.578 Si1.422 O9 H4","Fe3.578 Si1.422 O9 H4",{"id":499,"url":500,"label":501,"formula":502,"spacegroup":491,"year":492},3343,"\u002Fcif\u002F3343.cif","Hybler 2006 · Fe3.44 Si1.56 O9 H4","Fe3.44 Si1.56 O9 H4",{"id":504,"url":505,"label":506,"formula":507,"spacegroup":491,"year":492},3344,"\u002Fcif\u002F3344.cif","Hybler 2006 · Fe3.52 Si1.48 O9 H4","Fe3.52 Si1.48 O9 H4",{"id":509,"url":510,"label":511,"formula":512,"spacegroup":513,"year":514},3345,"\u002Fcif\u002F3345.cif","Hendricks 1939","Si.5 Fe1.4 O4.001 H1.667","R 3",1939,[516,517,518,519,520,521,522,523],"Chloro-melane","Cronstedit","Cronstedite","Lillite","Melanglimmer","Sideroschisolita","Sideroschisolite","Sideroschisolith",[525,529,533,538,542,546,549,553,557,560,564,568],{"lang":526,"names":527},"ca",[528],"cronstedtita",{"lang":530,"names":531},"de",[532],"Cronstedtit",{"lang":534,"names":535},"es",[536,537],"Cronstedita","Cronstedtita",{"lang":539,"names":540},"eu",[537,541],"Kronstedtita",{"lang":543,"names":544},"fr",[545],"cronstedtite",{"lang":547,"names":548},"it",[7],{"lang":550,"names":551},"nl",[552],"cronstedtiet",{"lang":554,"names":555},"pl",[556],"Cronstedtyt",{"lang":558,"names":559},"sk",[532],{"lang":561,"names":562},"ta",[563],"குரோன்சுடெடைட்டு",{"lang":565,"names":566},"uk",[567],"Кронштедтит",{"lang":569,"names":570},"zh",[571],"克铁蛇纹石","Q2706053",{"history":11,"applications":11}]