[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"minerals:one:1921":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":15,"elements":17,"sigelements":21,"key_elements":22,"impurities":23,"cim":24,"ima_status":25,"ima_notes":28,"ima_history":11,"approval_year":11,"publication_year":11,"discovery_year":11,"strunz10ed1":30,"strunz10ed2":31,"strunz10ed3":32,"strunz10ed4":33,"dana8ed1":34,"dana8ed2":35,"dana8ed3":36,"dana8ed4":36,"csystem":37,"cclass":38,"spacegroup":11,"spacegroupset":39,"a":40,"b":41,"c":42,"alpha":39,"beta":43,"gamma":39,"aerror":11,"berror":11,"cerror":11,"alphaerror":11,"betaerror":11,"gammaerror":11,"va3":11,"z":44,"csmetamict":14,"commentcrystal":45,"twinning":46,"tranglide":11,"parting":47,"epitaxidescription":11,"morphology":48,"tlform":11,"hmin":49,"hmax":50,"hardtype":11,"vhnmin":39,"vhnmax":39,"vhnerror":11,"vhng":11,"vhns":11,"commenthard":11,"dmeas":51,"dmeas2":51,"dcalc":52,"dmeaserror":11,"dcalcerror":11,"commentdense":11,"lustre":11,"lustretype":53,"commentluster":11,"diapheny":54,"streak":55,"colour":56,"commentcolor":11,"colors":57,"streak_colors":60,"luminescence":11,"uv":11,"cleavage":61,"cleavagetype":62,"fracturetype":11,"tenacity":63,"commentbreak":11,"opticaltype":11,"opticalsign":11,"opticalalpha":39,"opticalalpha2":39,"opticalalphaerror":11,"opticalbeta":39,"opticalbeta2":39,"opticalbetaerror":11,"opticalgamma":39,"opticalgamma2":39,"opticalgammaerror":11,"opticalomega":39,"opticalomega2":39,"opticalomegaerror":11,"opticalepsilon":39,"opticalepsilon2":39,"opticalepsilonerror":11,"opticaln":39,"opticaln2":39,"opticalnerror":11,"optical2vcalc":39,"optical2vcalc2":39,"optical2vcalcerror":11,"optical2vmeasured":39,"optical2vmeasured2":39,"optical2vmeasurederror":11,"rimin":11,"rimax":11,"opticaldispersion":11,"opticalpleochroism":64,"opticalpleochorismdesc":11,"opticalbirefringence":11,"opticalcomments":11,"opticalcolour":65,"opticalinternal":11,"opticaltropic":66,"opticalanisotropism":67,"opticalbireflectance":11,"opticalextinction":11,"opticalr":11,"specdispm":11,"ir":11,"electrical":11,"magnetism":11,"thermalbehaviour":11,"other":11,"industrial":11,"occurrence":11,"otheroccurrence":11,"type_specimen_store":11,"description_short":68,"aboutname":69,"rock_parent":11,"rock_parent2":11,"rock_root":9,"rock_bgs_code":11,"meteoritical_code":11,"updttime":70,"reviewed_at":11,"variety_of":11,"varieties":71,"group_members":72,"associates":120,"confused_with":144,"type_localities":150,"occurrence_total":157,"citations":158,"images":299,"structures":520,"synonyms":532,"language_names":533,"wikidata_qid":608,"texts":609},1921,"1:1:1921:3","0524658a-e1b6-4295-a81e-7d05b95df83c","Hollandite","Hol",0,"mineral",null,29285,1905,false,"Ba(Mn\u003Csup>4+\u003C\u002Fsup>\u003Csub>6\u003C\u002Fsub>Mn\u003Csup>3+\u003C\u002Fsup>\u003Csub>2\u003C\u002Fsub>)O\u003Csub>16\u003C\u002Fsub>","Formerly defined as Ba(Mn\u003Csup>4+\u003C\u002Fsup>,Mn\u003Csup>2+\u003C\u002Fsup>)\u003Csub>8\u003C\u002Fsub>O\u003Csub>16\u003C\u002Fsub>.",[18,19,20],"Ba","Mn","O",[18,19,20],[18],",Fe,Pb,K,Na,,","7.4.17",[26,27],"APPROVED","GRANDFATHERED",[29],"REDEFINED","4","D","K","05a","7","9","1","Monoclinic",5,"0","10.02","2.87","9.72","91.03",1,"Space Group: I2\u002Fm.","Reported (non-specific).","Crystals readily break parallel to [001] into striated chips or fibers.","Crystals short prismatic, terminated by a flat pyramid. Massive, fibrous.",4,6,"4.95","4.93","Metallic","Opaque","Black","Silvery-grey to greyish black, black",[58,59],"gray","black",[59],"Prismatic.","Distinct\u002FGood","brittle","Weak","White","Anisotropic","Strong","In 2012, the IMA revised the nomenclature of the Hollandite Supergroup (Biagioni et al., 2013). \r\nHollandite is now redefined as the (more widespread) Ba-Mn3+ end-member of the coronadite group; concurrently, type hollandite is redefined as ferrihollan...","Named in honor of Sir Thomas Henry Holland (22 November 1868, Helston, Cornwall, England – 15 May 1947, Surbiton, London), geologist and educational administrator. He was Director of the Geological Survey of India.  He also held administrative positions at the Imperial College London and the University of Edinburgh.","2026-03-12 16:45:50",[],[73,81,89,96,100,109,114],{"id":74,"name":75,"entrytype":9,"csystem":37,"ima_formula":76,"mindat_formula":76,"hmin":77,"hmax":38,"dmeas":78,"dcalc":79,"primary_image_id":80},1134,"Coronadite","Pb(Mn\u003Csup>4+\u003C\u002Fsup>\u003Csub>6\u003C\u002Fsub>Mn\u003Csup>3+\u003C\u002Fsup>\u003Csub>2\u003C\u002Fsub>)O\u003Csub>16\u003C\u002Fsub>",4.5,"5.246","5.45",6336,{"id":82,"name":83,"entrytype":9,"csystem":37,"ima_formula":84,"mindat_formula":84,"hmin":38,"hmax":85,"dmeas":86,"dcalc":87,"primary_image_id":88},1164,"Cryptomelane","K(Mn\u003Csup>4+\u003C\u002Fsup>\u003Csub>7\u003C\u002Fsub>Mn\u003Csup>3+\u003C\u002Fsup>)O\u003Csub>16\u003C\u002Fsub>",6.5,"4.17","4.44",6530,{"id":90,"name":91,"entrytype":9,"csystem":92,"ima_formula":93,"mindat_formula":93,"hmin":11,"hmax":11,"dmeas":11,"dcalc":94,"primary_image_id":95},47021,"Ferricoronadite","Tetragonal","Pb(Mn\u003Csup>4+\u003C\u002Fsup>\u003Csub>6\u003C\u002Fsub>Fe\u003Csup>3+\u003C\u002Fsup>\u003Csub>2\u003C\u002Fsub>)O\u003Csub>16\u003C\u002Fsub>","5.538",8582,{"id":97,"name":98,"entrytype":9,"csystem":37,"ima_formula":99,"mindat_formula":99,"hmin":49,"hmax":50,"dmeas":11,"dcalc":11,"primary_image_id":11},43558,"Ferrihollandite","Ba(Mn\u003Csup>4+\u003C\u002Fsup>\u003Csub>6\u003C\u002Fsub>Fe\u003Csup>3+\u003C\u002Fsup>\u003Csub>2\u003C\u002Fsub>)O\u003Csub>16\u003C\u002Fsub>",{"id":101,"name":102,"entrytype":9,"csystem":92,"ima_formula":103,"mindat_formula":103,"hmin":104,"hmax":105,"dmeas":106,"dcalc":107,"primary_image_id":108},2566,"Manjiroite","Na(Mn\u003Csup>4+\u003C\u002Fsup>\u003Csub>7\u003C\u002Fsub>Mn\u003Csup>3+\u003C\u002Fsup>)O\u003Csub>16\u003C\u002Fsub>",3,3.5,"4.29","4.23",15402,{"id":110,"name":111,"entrytype":9,"csystem":37,"ima_formula":112,"mindat_formula":112,"hmin":49,"hmax":77,"dmeas":39,"dcalc":113,"primary_image_id":11},7317,"Strontiomelane","Sr(Mn\u003Csup>4+\u003C\u002Fsup>\u003Csub>6\u003C\u002Fsub>Mn\u003Csup>3+\u003C\u002Fsup>\u003Csub>2\u003C\u002Fsub>)O\u003Csub>16\u003C\u002Fsub>","4.66",{"id":115,"name":116,"entrytype":9,"csystem":92,"ima_formula":117,"mindat_formula":118,"hmin":11,"hmax":11,"dmeas":11,"dcalc":119,"primary_image_id":11},54020,"Thalliomelane","TlMn\u003Csup>4+\u003C\u002Fsup>\u003Csub>7.5\u003C\u002Fsub>Cu\u003Csup>2+\u003C\u002Fsup>\u003Csub>0.5\u003C\u002Fsub>O\u003Csub>16\u003C\u002Fsub>","Tl(Mn\u003Csup>4+\u003C\u002Fsup>\u003Csub>7.5\u003C\u002Fsub>Cu\u003Csup>2+\u003C\u002Fsup>\u003Csub>0.5\u003C\u002Fsub>)O\u003Csub>16\u003C\u002Fsub>","5.285",[121,127,128,135],{"id":122,"name":123,"entrytype":9,"csystem":92,"ima_formula":124,"mindat_formula":125,"hmin":85,"hmax":85,"dmeas":39,"dcalc":126,"primary_image_id":11},9,"Abswurmbachite","Cu\u003Csup>2+\u003C\u002Fsup>Mn\u003Csup>3+\u003C\u002Fsup>\u003Csub>6\u003C\u002Fsub>O\u003Csub>8\u003C\u002Fsub>(SiO\u003Csub>4\u003C\u002Fsub>)","CuMn\u003Csup>3+\u003C\u002Fsup>\u003Csub>6\u003C\u002Fsub>(SiO\u003Csub>4\u003C\u002Fsub>)O\u003Csub>8\u003C\u002Fsub>","4.96",{"id":74,"name":75,"entrytype":9,"csystem":37,"ima_formula":76,"mindat_formula":76,"hmin":77,"hmax":38,"dmeas":78,"dcalc":79,"primary_image_id":80},{"id":129,"name":130,"entrytype":9,"csystem":131,"ima_formula":132,"mindat_formula":132,"hmin":133,"hmax":133,"dmeas":134,"dcalc":11,"primary_image_id":11},46109,"Flinteite","Orthorhombic","K\u003Csub>2\u003C\u002Fsub>ZnCl\u003Csub>4\u003C\u002Fsub>",2,"2.49",{"id":136,"name":137,"entrytype":9,"csystem":37,"ima_formula":138,"mindat_formula":139,"hmin":140,"hmax":140,"dmeas":141,"dcalc":142,"primary_image_id":143},3988,"Todorokite","(Na,Ca,K,Ba,Sr)\u003Csub>1-x\u003C\u002Fsub>(Mn,Mg,Al)\u003Csub>6\u003C\u002Fsub>O\u003Csub>12\u003C\u002Fsub> · 3-4H\u003Csub>2\u003C\u002Fsub>O","(Na,Ca,K,Ba,Sr)\u003Csub>1-x\u003C\u002Fsub>(Mn,Mg,Al)\u003Csub>6\u003C\u002Fsub>O\u003Csub>12\u003C\u002Fsub>·3-4H\u003Csub>2\u003C\u002Fsub>O",1.5,"3.67","3.65",24311,[145,146,147,148,149],{"id":74,"name":75,"entrytype":9,"csystem":37,"ima_formula":76,"mindat_formula":76,"hmin":77,"hmax":38,"dmeas":78,"dcalc":79,"primary_image_id":80},{"id":82,"name":83,"entrytype":9,"csystem":37,"ima_formula":84,"mindat_formula":84,"hmin":38,"hmax":85,"dmeas":86,"dcalc":87,"primary_image_id":88},{"id":97,"name":98,"entrytype":9,"csystem":37,"ima_formula":99,"mindat_formula":99,"hmin":49,"hmax":50,"dmeas":11,"dcalc":11,"primary_image_id":11},{"id":101,"name":102,"entrytype":9,"csystem":92,"ima_formula":103,"mindat_formula":103,"hmin":104,"hmax":105,"dmeas":106,"dcalc":107,"primary_image_id":108},{"id":110,"name":111,"entrytype":9,"csystem":37,"ima_formula":112,"mindat_formula":112,"hmin":49,"hmax":77,"dmeas":39,"dcalc":113,"primary_image_id":11},[151],{"id":152,"txt":153,"latitude":154,"longitude":155,"country":156},56560,"Gowari Wadhona Mine, Chhindwara District, Jabalpur Division, Madhya Pradesh, India",21.4944444,78.8127778,"India",279,[159,163,167,171,175,180,183,187,191,195,200,205,210,214,218,223,227,231,236,241,244,249,253,258,262,267,271,275,279,284,289,294],{"id":160,"year":161,"html":162,"doi":11},17198947,1906,"Fermor, L., Leigh (1906) Manganese in India. \u003Ci>Transactions of the Mining and Geological Institute of India,\u003C\u002Fi>,  1 (2) 69-133",{"id":164,"year":165,"html":166,"doi":11},16112103,1908,"L. Leigh Fermor (1908) Note on a group of manganates, comprising hollandite, psilomelane and coronadite. \u003Ci>Records of the Geological Survey of India\u003C\u002Fi>,  36. The Geological Survey of India. 295-300",{"id":168,"year":169,"html":170,"doi":11},17215391,1909,"Fermor, Lewis Leigh (1909) The manganese ore deposits of India. \u003Ci>Memoirs of the Geological Survey of India\u003C\u002Fi> Vol. 37. Geological Survey of India \u003Ca target='_blank' href='https:\u002F\u002Fupload.wikimedia.org\u002Fwikipedia\u002Fcommons\u002F9\u002F99\u002FMemoirs_of_the_Geological_Survey_of_India._%28IA_memoirsofgeologi3713geol%29.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":172,"year":173,"html":174,"doi":11},16112105,1917,"Fermor, Lewis Leigh (1917) On the crystallography and nomenclature of hollandite. \u003Ci>Records of the Geological Survey of India\u003C\u002Fi>,  47. \tThe Geological Survey of India. 103",{"id":176,"year":177,"html":178,"doi":179},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":181,"year":177,"html":182,"doi":11},16112107,"Schneiderhöhn, Hans, Ramdohr, Paul (1931) \u003Ci>Lehrbuch der Erzmikroskopie\u003C\u002Fi> Vol. 2. Borntraeger.",{"id":184,"year":185,"html":186,"doi":11},521212,1942,"Frondel, Clifford, Heinrich, E. Wm. (1942) New data on hetaerolite, hydrohetaerolite, coronadite and hollandite. \u003Ci>American Mineralogist\u003C\u002Fi>,  27 (1) 48-56 \u003Ca target='_blank' href='http:\u002F\u002Fwww.minsocam.org\u002Fammin\u002FAM27\u002FAM27_48.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":188,"year":189,"html":190,"doi":11},521383,1943,"Gruner, John W. (1943) The chemical relationship of cryptomelane (psilomelane), hollandite, and coronadite. \u003Ci>American Mineralogist\u003C\u002Fi>,  28 (9-10) 497-506 \u003Ca target='_blank' href='http:\u002F\u002Fwww.minsocam.org\u002Fammin\u002FAM28\u002FAM28_497.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":192,"year":193,"html":194,"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":196,"year":197,"html":198,"doi":199},2324342,1949,"BYSTRÖM, ANDERS, BYSTRÖM, ANN MARIE (1949) Crystal Structure of Hollandite. \u003Ci>Nature\u003C\u002Fi>, 164 (4183). 1128 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1038\u002F1641128a0'>doi:10.1038\u002F1641128a0\u003C\u002Fa>","10.1038\u002F1641128a0",{"id":201,"year":202,"html":203,"doi":204},462551,1950,"Byström, A., Byström, A. M. (1950) The crystal structure of hollandite, the related manganese oxide minerals, and α-MnO2. \u003Ci>Acta Crystallographica\u003C\u002Fi>,  3 (2) 146-154 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1107\u002Fs0365110x5000032x'>doi:10.1107\u002Fs0365110x5000032x\u003C\u002Fa>","10.1107\u002Fs0365110x5000032x",{"id":206,"year":207,"html":208,"doi":209},463387,1951,"Byström, A., Byström, A. M. (1951) The positions of the barium atoms in hollandite. \u003Ci>Acta Crystallographica\u003C\u002Fi>,  4 (5) 469 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1107\u002Fs0365110x51001471'>doi:10.1107\u002Fs0365110x51001471\u003C\u002Fa>","10.1107\u002Fs0365110x51001471",{"id":211,"year":212,"html":213,"doi":11},523413,1960,"Frondel, C., Marvin, U. B., Ito, J. (1960) New data on birnessite and hollandite. \u003Ci>American Mineralogist\u003C\u002Fi>,  45 (7-8) 871-874 \u003Ca target='_blank' href='http:\u002F\u002Fwww.minsocam.org\u002Fammin\u002FAM45\u002FAM45_871.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":215,"year":212,"html":216,"doi":217},470894,"Mukherjee, B. (1960) Space group and cell dimensions of a specimen of hollandite. \u003Ci>Acta Crystallographica\u003C\u002Fi>,  13 (2) 164-165 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1107\u002Fs0365110x60000352'>doi:10.1107\u002Fs0365110x60000352\u003C\u002Fa>","10.1107\u002Fs0365110x60000352",{"id":219,"year":220,"html":221,"doi":222},161795,1964,"Nambu, Matsuo, Okada, Kokichi, Tanida, Katsutoshi (1964) Hollandite from the Miyazaki Mine, Miyagi Prefecture. \u003Ci>Journal of the Mineralogical Society of Japan\u003C\u002Fi>,  6 (5) 313-323 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.2465\u002Fgkk1952.6.313'>doi:10.2465\u002Fgkk1952.6.313\u003C\u002Fa> \u003Ca target='_blank' href='https:\u002F\u002Fwww.jstage.jst.go.jp\u002Farticle\u002Fgkk1952\u002F6\u002F5\u002F6_5_313\u002F_pdf\u002F-char\u002Fja\u002F' class='refpdflink'>\u003C\u002Fa>","10.2465\u002Fgkk1952.6.313",{"id":224,"year":220,"html":225,"doi":226},5806,"Nayak, V. K. (1964) Origin of hollandite from Kajlidongri mine, Madhya Pradesh, India. \u003Ci>Mineralogical Magazine and Journal of the Mineralogical Society\u003C\u002Fi>,  33 (265) 934-935 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1180\u002Fminmag.1964.033.265.12'>doi:10.1180\u002Fminmag.1964.033.265.12\u003C\u002Fa> \u003Ca target='_blank' href='https:\u002F\u002Frruff.info\u002Fdoclib\u002FMinMag\u002FVolume_33\u002F33-265-934.pdf' class='refpdflink'>\u003C\u002Fa>","10.1180\u002Fminmag.1964.033.265.12",{"id":228,"year":229,"html":230,"doi":11},525932,1972,"Parker, Ronald B., Toots, Heinrich (1972) Hollandite-coronadite in fossil bone. \u003Ci>American Mineralogist\u003C\u002Fi>,  57 (9-10) 1527-1529 \u003Ca target='_blank' href='http:\u002F\u002Fwww.minsocam.org\u002Fammin\u002FAM57\u002FAM57_1527.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":232,"year":233,"html":234,"doi":235},74325,1976,"Perseil, E. A.; Pinet, M. (1976) Contribution à la connaissance des romanèchites et des cryptomélanes - coronadites - hollandites. Traits essentiels et paragenèses. \u003Ci>Contributions to Mineralogy and Petrology\u003C\u002Fi>,  55 (2). 191-204 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1007\u002Fbf00372226'>doi:10.1007\u002Fbf00372226\u003C\u002Fa>","10.1007\u002Fbf00372226",{"id":237,"year":238,"html":239,"doi":240},162278,1980,"Nambu, Matsuo, Tanida, Katsutoshi (1980) Cryptomelane-Manjiroite-Hollandite Series Minerals. \u003Ci>Journal of the Mineralogical Society of Japan\u003C\u002Fi>,  14. 62-85 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.2465\u002Fgkk1952.14.special3_62'>doi:10.2465\u002Fgkk1952.14.special3_62\u003C\u002Fa> \u003Ca target='_blank' href='https:\u002F\u002Fwww.jstage.jst.go.jp\u002Farticle\u002Fgkk1952\u002F14\u002FSpecial3\u002F14_Special3_62\u002F_pdf\u002F-char\u002Fja\u002F' class='refpdflink'>\u003C\u002Fa>","10.2465\u002Fgkk1952.14.special3_62",{"id":242,"year":238,"html":243,"doi":11},16003831,"Pavich M J, Markewich H W, Dwornik E J (1980) Hollandite and lithiophorite in burrows of Late Cretaceous age, northeastern South Carolina. The Canadian Mineralogist 18, 529-533",{"id":245,"year":246,"html":247,"doi":248},577967,1982,"Plug, C.M. (1982) On the relationship between the structure of CaFe2O4 and hollandite. \u003Ci>Journal of Solid State Chemistry\u003C\u002Fi>,  41. 23-26 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1016\u002F0022-4596(82)90029-9'>doi:10.1016\u002F0022-4596(82)90029-9\u003C\u002Fa>","10.1016\u002F0022-4596(82)90029-9",{"id":250,"year":246,"html":251,"doi":252},198563,"Post, J. E., Von Dreele, R. B., Buseck, P. R. (1982) Symmetry and cation displacements in hollandites: structure refinements of hollandite, cryptomelane and priderite. \u003Ci>Acta Crystallographica Section B Structural Crystallography and Crystal Chemistry\u003C\u002Fi>,  38 (4) 1056-1065 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1107\u002Fs0567740882004968'>doi:10.1107\u002Fs0567740882004968\u003C\u002Fa>","10.1107\u002Fs0567740882004968",{"id":254,"year":255,"html":256,"doi":257},81728,1986,"MIURA, Hiroyuki (1986) The crystal structure of hollandite. \u003Ci>Mineralogical Journal\u003C\u002Fi>,  13 (3) 119-129 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.2465\u002Fminerj.13.119'>doi:10.2465\u002Fminerj.13.119\u003C\u002Fa>","10.2465\u002Fminerj.13.119",{"id":259,"year":260,"html":261,"doi":11},528382,1987,"Belkin, Harvey E., Libelo, E. Laurence (1987) Fibers and cylinders of cryptomelane-hollandite in Permian bedded salt, Palo Duro Basin, Texas. \u003Ci>American Mineralogist\u003C\u002Fi>,  72 (11-12) 1211-1224 \u003Ca target='_blank' href='http:\u002F\u002Fwww.minsocam.org\u002Fammin\u002FAM72\u002FAM72_1211.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":263,"year":264,"html":265,"doi":266},581860,1994,"Nistor, L.C., Van Tendeloo, G., Amelinckx, S. (1994) Defects and Phase Transition in Monoclinic Natural Hollandite: BaxMn8O16. \u003Ci>Journal of Solid State Chemistry\u003C\u002Fi>,  109. 152-165 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1006\u002Fjssc.1994.1085'>doi:10.1006\u002Fjssc.1994.1085\u003C\u002Fa>","10.1006\u002Fjssc.1994.1085",{"id":268,"year":264,"html":269,"doi":270},2082,"Fodor, R. V., Jacobs, R. S., Bauer, G. R. (1994) Hollandite in Hawaiian basalt: a relocation site for weathering-mobilized elements. \u003Ci>Mineralogical Magazine\u003C\u002Fi>,  58 (393) 589-596 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1180\u002Fminmag.1994.058.393.06'>doi:10.1180\u002Fminmag.1994.058.393.06\u003C\u002Fa> \u003Ca target='_blank' href='https:\u002F\u002Frruff.info\u002Fdoclib\u002FMinMag\u002FVolume_58\u002F58-393-589.pdf' class='refpdflink'>\u003C\u002Fa>","10.1180\u002Fminmag.1994.058.393.06",{"id":272,"year":273,"html":274,"doi":11},16700182,2000,"Perseil, Elena-Adriana, Hohl, Jean-Luc (2000) Association de hausmannite zincifère et de hollandite plombifère dans les minéralisations de Faucogney (Haute-Saône), France. \u003Ci>Le Règne Minéral\u003C\u002Fi>,  6 (36) 22-27",{"id":276,"year":277,"html":278,"doi":11},16964871,2006,"(2006) Hollandite. \u003Ci>Handbook of Mineralogy\u003C\u002Fi>. Mineralogical Society of America \u003Ca target='_blank' href='https:\u002F\u002Fwww.handbookofmineralogy.org\u002Fpdfs\u002Fhollandite.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":280,"year":281,"html":282,"doi":283},244252,2012,"Williams, P. A., Hatert, F., Pasero, M., Mills, S. J. (2012) New minerals and nomenclature modifications approved in 2012. CNMNC Newsletter No 13. \u003Ci>Mineralogical Magazine\u003C\u002Fi>,  76 (3) 807-817 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1180\u002Fminmag.2012.076.3.26'>doi:10.1180\u002Fminmag.2012.076.3.26\u003C\u002Fa> \u003Ca target='_blank' href='http:\u002F\u002Fcnmnc.units.it\u002FCNMNC%20NEWSLETTER%2013.pdf' class='refpdflink'>\u003C\u002Fa>","10.1180\u002Fminmag.2012.076.3.26",{"id":285,"year":286,"html":287,"doi":288},129198,2013,"Biagioni, Cristian, Capalbo, Carmen, Pasero, Marco (2013) Nomenclature tunings in the hollandite supergroup. \u003Ci>European Journal of Mineralogy\u003C\u002Fi>,  25 (1) 85-90 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1127\u002F0935-1221\u002F2013\u002F0025-2255'>doi:10.1127\u002F0935-1221\u002F2013\u002F0025-2255\u003C\u002Fa> \u003Ca target='_blank' href='https:\u002F\u002Frruff.info\u002Frruff_1.0\u002Fuploads\u002FEJM25_85.pdf' class='refpdflink'>\u003C\u002Fa>","10.1127\u002F0935-1221\u002F2013\u002F0025-2255",{"id":290,"year":291,"html":292,"doi":293},4308594,2015,"Larson, Amber M., Moetakef, Pouya, Gaskell, Karen, Brown, Craig M., King, Graham, Rodriguez, Efrain E. (2015) Inducing Ferrimagnetism in Insulating Hollandite Ba1.2Mn8O16. \u003Ci>Chemistry of Materials\u003C\u002Fi>, 27. 515-525 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1021\u002Fcm503801j'>doi:10.1021\u002Fcm503801j\u003C\u002Fa>","10.1021\u002Fcm503801j",{"id":295,"year":296,"html":297,"doi":298},7736517,2020,"Gréaux, Steeve, Zhou, Youmo, Kono, Yoshio, Yamada, Akihiro, Higo, Yuji, Irifune, Tetsuo (2020) Thermoelastic Properties of K0.7Na0.3AlSi3O8 Hollandite and NaAlSi2O6 Jadeite: Implication for the Fate of the Subducted Continental Crust in the Deep Mantle. \u003Ci>Minerals\u003C\u002Fi>, 10 (3) 261 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.3390\u002Fmin10030261'>doi:10.3390\u002Fmin10030261\u003C\u002Fa> \u003Ca target='_blank' href='https:\u002F\u002Fwww.mdpi.com\u002F2075-163X\u002F10\u002F3\u002F261\u002Fpdf?version=1584963966' class='refpdflink'>\u003C\u002Fa>","10.3390\u002Fmin10030261",[300,307,317,322,327,335,340,346,355,360,369,377,381,386,395,400,409,419,427,436,441,448,453,460,468,478,487,493,502,508,514],{"id":301,"source_url":302,"license_code":303,"credit_html":304,"title":7,"description":11,"author":11,"original_width":305,"original_height":306},29875,"https:\u002F\u002Fgeocollections.info\u002Ffile\u002F164898","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\u002F164898\" rel=\"noopener\">University of Tartu, Natural History Museum\u003C\u002Fa> via Europeana",1000,818,{"id":308,"source_url":309,"license_code":310,"credit_html":311,"title":312,"description":313,"author":314,"original_width":315,"original_height":316},59445,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=753353","CC BY-SA 3.0","No machine-readable author provided. Kluka assumed (based on copyright claims)., via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=753353\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Hollandyt, Polska Sudety.JPG","hollandyt, pochodzenie Polska; autor zdjęcia Piotr Gut","No machine-readable author provided. Kluka assumed (based on copyright claims).",640,480,{"id":318,"source_url":319,"license_code":303,"credit_html":320,"title":7,"description":11,"author":11,"original_width":321,"original_height":305},29876,"https:\u002F\u002Fgeocollections.info\u002Ffile\u002F164342","Photo: Unknown author — http:\u002F\u002Fcreativecommons.org\u002Flicenses\u002Fby-sa\u002F4.0\u002F, courtesy of \u003Ca href=\"https:\u002F\u002Fgeocollections.info\u002Ffile\u002F164342\" rel=\"noopener\">University of Tartu, Natural History Museum\u003C\u002Fa> via Europeana",940,{"id":323,"source_url":324,"license_code":303,"credit_html":325,"title":7,"description":11,"author":11,"original_width":305,"original_height":326},29877,"https:\u002F\u002Fgeocollections.info\u002Ffile\u002F164897","Photo: Unknown author — http:\u002F\u002Fcreativecommons.org\u002Flicenses\u002Fby-sa\u002F4.0\u002F, courtesy of \u003Ca href=\"https:\u002F\u002Fgeocollections.info\u002Ffile\u002F164897\" rel=\"noopener\">University of Tartu, Natural History Museum\u003C\u002Fa> via Europeana",666,{"id":328,"source_url":329,"license_code":310,"credit_html":330,"title":331,"description":332,"author":314,"original_width":333,"original_height":334},59447,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=866285","No machine-readable author provided. Kluka assumed (based on copyright claims)., via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=866285\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Kryształ górski i hollandyt.JPG","kryształ górski - kwarc i hollandyt, pochodzenie Madagaskar;  autor zdjęcia Stowarzyszenie Spirifer",800,600,{"id":336,"source_url":337,"license_code":303,"credit_html":338,"title":7,"description":11,"author":11,"original_width":305,"original_height":339},29878,"https:\u002F\u002Fgeocollections.info\u002Ffile\u002F164179","Photo: Unknown author — http:\u002F\u002Fcreativecommons.org\u002Flicenses\u002Fby-sa\u002F4.0\u002F, courtesy of \u003Ca href=\"https:\u002F\u002Fgeocollections.info\u002Ffile\u002F164179\" rel=\"noopener\">University of Tartu, Natural History Museum\u003C\u002Fa> via Europeana",750,{"id":341,"source_url":342,"license_code":310,"credit_html":343,"title":344,"description":345,"author":314,"original_width":333,"original_height":334},59448,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=866289","No machine-readable author provided. Kluka assumed (based on copyright claims)., via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=866289\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Kryształ górski i hollandyt1, Madagaskar.JPG","kryształ górski i hollandyt, pochodzenie Madagaskar;  autor zdjęcia Stowarzyszenie Spirifer",{"id":347,"source_url":348,"license_code":310,"credit_html":349,"title":350,"description":351,"author":352,"original_width":353,"original_height":354},11549,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=14866232","Leon Hupperichs, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=14866232\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Hollandite-95021.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FHollandite\" class=\"extiw\" title=\"en:Hollandite\">Hollandite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Sauberg Mine, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FEhrenfriedersdorf\" class=\"extiw\" title=\"en:Ehrenfriedersdorf\">Ehrenfriedersdorf\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FErzgebirge\" class=\"extiw\" title=\"en:Erzgebirge\">Erzgebirge\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FSaxony\" class=\"extiw\" title=\"en:Saxony\">Saxony\u003C\u002Fa>, Germany (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-13773.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Field of view 5 mm. Specimen and photo Leon Hupperichs.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>","Leon Hupperichs",791,594,{"id":356,"source_url":357,"license_code":303,"credit_html":358,"title":7,"description":11,"author":11,"original_width":359,"original_height":305},29879,"https:\u002F\u002Fgeocollections.info\u002Ffile\u002F164344","Photo: Unknown author — http:\u002F\u002Fcreativecommons.org\u002Flicenses\u002Fby-sa\u002F4.0\u002F, courtesy of \u003Ca href=\"https:\u002F\u002Fgeocollections.info\u002Ffile\u002F164344\" rel=\"noopener\">University of Tartu, Natural History Museum\u003C\u002Fa> via Europeana",973,{"id":361,"source_url":362,"license_code":310,"credit_html":363,"title":364,"description":365,"author":366,"original_width":367,"original_height":368},59449,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10132068","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10132068\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Hollandite-44394.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FHollandite\" class=\"extiw\" title=\"en:Hollandite\">Hollandite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FBisbee\" class=\"extiw\" title=\"en:Bisbee\">Bisbee\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FWarren_(biogeographic_region)\" class=\"extiw\" title=\"en:Warren (biogeographic region)\">Warren District\u003C\u002Fa>, Mule Mts, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FCochise_County,_Arizona\" class=\"extiw\" title=\"en:Cochise County, Arizona\">Cochise County\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FArizona\" class=\"extiw\" title=\"en:Arizona\">Arizona\u003C\u002Fa>, USA (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-3296.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>An aesthetic and superb latticework of hollandite stalks from Bisbee. This is a real old-timer, that comes with a cloth label attached to the bottom! Ex Richard Hauck Collection. 7.8 x 6.0 x 5.6 cm\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>","Robert M. Lavinsky",650,510,{"id":370,"source_url":371,"license_code":372,"credit_html":373,"title":374,"description":375,"author":376,"original_width":315,"original_height":316},11550,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=16291615","CC BY 3.0","John Sobolewski (JSS), via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=16291615\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Hollandite-171530.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FHollandite\" class=\"extiw\" title=\"en:Hollandite\">Hollandite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Luis Lopez manganese District, Socorro Co., New Mexico, USA\u003C\u002Fdd>\n\u003Cdd>\u003Ci>Original description:\u003C\u002Fi> A 6.0 by 2.8 cms botryoidal mass. JSS specimen and photograph.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>","John Sobolewski (JSS)",{"id":378,"source_url":379,"license_code":303,"credit_html":380,"title":7,"description":11,"author":11,"original_width":305,"original_height":305},29880,"https:\u002F\u002Fgeocollections.info\u002Ffile\u002F164896","Photo: Unknown author — http:\u002F\u002Fcreativecommons.org\u002Flicenses\u002Fby-sa\u002F4.0\u002F, courtesy of \u003Ca href=\"https:\u002F\u002Fgeocollections.info\u002Ffile\u002F164896\" rel=\"noopener\">University of Tartu, Natural History Museum\u003C\u002Fa> via Europeana",{"id":382,"source_url":383,"license_code":303,"credit_html":384,"title":7,"description":11,"author":11,"original_width":305,"original_height":385},29881,"https:\u002F\u002Fgeocollections.info\u002Ffile\u002F179453","Photo: Unknown author — http:\u002F\u002Fcreativecommons.org\u002Flicenses\u002Fby-sa\u002F4.0\u002F, courtesy of \u003Ca href=\"https:\u002F\u002Fgeocollections.info\u002Ffile\u002F179453\" rel=\"noopener\">University of Tartu, Natural History Museum\u003C\u002Fa> via Europeana",768,{"id":387,"source_url":388,"license_code":303,"credit_html":389,"title":390,"description":391,"author":392,"original_width":393,"original_height":394},11552,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=132135644","Kaethe17, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=132135644\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Hollandit.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FHollandite\" class=\"extiw\" title=\"en:Hollandite\">Hollandite\u003C\u002Fa> (Weight: 130.6 g) – Locality: Le Haut-Poirot, Géradmer, Vosges, Grand Est, France","Kaethe17",4776,3184,{"id":396,"source_url":397,"license_code":303,"credit_html":398,"title":7,"description":11,"author":11,"original_width":305,"original_height":399},29882,"https:\u002F\u002Fgeocollections.info\u002Ffile\u002F164180","Photo: Unknown author — http:\u002F\u002Fcreativecommons.org\u002Flicenses\u002Fby-sa\u002F4.0\u002F, courtesy of \u003Ca href=\"https:\u002F\u002Fgeocollections.info\u002Ffile\u002F164180\" rel=\"noopener\">University of Tartu, Natural History Museum\u003C\u002Fa> via Europeana",590,{"id":401,"source_url":402,"license_code":303,"credit_html":403,"title":404,"description":405,"author":406,"original_width":407,"original_height":408},59460,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=66828960","Joan GarciaBadalona, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=66828960\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Hollandita - Can Súria.jpg","Hollandita dins un vacúol basàltic, de la pedrera Can Súria (Maçanet de la Selva). \u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.unniks.com\u002Fminerals\u002Findex.php?amplia=1487\">Col·lecció Joan Garcia\u003C\u002Fa>","Joan GarciaBadalona",562,422,{"id":410,"source_url":411,"license_code":412,"credit_html":413,"title":414,"description":415,"author":416,"original_width":417,"original_height":418},10234,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=188113344","CC0 1.0","Slashme, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=188113344\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Corceixit Hollandit 36329 2.jpg","Gorceixite and hollandite from the Sanberg mine, Eherfriedensdorf, Saxony. 35,6 g","Slashme",5168,3595,{"id":420,"source_url":421,"license_code":412,"credit_html":422,"title":423,"description":424,"author":416,"original_width":425,"original_height":426},10235,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=188113346","Slashme, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=188113346\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Corceixit Hollandit 36329 1.jpg","Gorceixite and hollandite from the Sanberg mine, Eherfriedensdorf, Saxony. 35,6 g - Maßstab: mm",6104,4361,{"id":428,"source_url":429,"license_code":310,"credit_html":430,"title":431,"description":432,"author":433,"original_width":434,"original_height":435},11546,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=6273723","Géry PARENT, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=6273723\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Vanadinite, hollandite, calcite.jpg","vanadinite, hollandite, calcite : Taouz Er Rachidia Province, Meknès-Tafilalet Region, Morocco","Géry PARENT",4288,2848,{"id":437,"source_url":438,"license_code":310,"credit_html":439,"title":440,"description":432,"author":433,"original_width":434,"original_height":435},11547,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=6273756","Géry PARENT, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=6273756\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Vanadinite, hollandite, calcite 2.jpg",{"id":442,"source_url":443,"license_code":310,"credit_html":444,"title":445,"description":446,"author":314,"original_width":367,"original_height":447},59446,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=866171","No machine-readable author provided. Kluka assumed (based on copyright claims)., via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=866171\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Kwarc, hollandyt, Madagaskar.jpg","kwarc i hollandyt, pochodzenie Madagaskar; autor zdjęcia Stowarzyszenie Spirifer",450,{"id":449,"source_url":450,"license_code":310,"credit_html":451,"title":452,"description":432,"author":433,"original_width":434,"original_height":435},11548,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=7228192","Géry PARENT, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=7228192\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Vanadinite, hollandite, calcite 1.jpg",{"id":454,"source_url":455,"license_code":310,"credit_html":456,"title":457,"description":458,"author":366,"original_width":459,"original_height":333},8594,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10438709","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10438709\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Hollandite-Quartz-sea72a.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FHollandite\" class=\"extiw\" title=\"en:Hollandite\">Hollandite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FQuartz\" class=\"extiw\" title=\"en:Quartz\">Quartz\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Ultevis, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FLappland\" class=\"extiw\" title=\"en:Lappland\">Lappland\u003C\u002Fa>, Sweden (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-9548.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: small cabinet, 6.3 x 4.3 x 2.8 cm\n\u003Cdl>\u003Cdt>Hollandite in Quartz\u003C\u002Fdt>\u003C\u002Fdl>\u003C\u002Fdd>\n\u003Cdd>Unusual, elongated, robust crystals of hollandite frozen in quartz matrix. Very odd for the species. I had not seen crystals in this style before. Ex. John White Collection.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",789,{"id":461,"source_url":462,"license_code":310,"credit_html":463,"title":464,"description":465,"author":366,"original_width":466,"original_height":467},59450,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10170445","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10170445\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Vanadinite-Baryte-Hollandite-267006.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FVanadinite\" class=\"extiw\" title=\"en:Vanadinite\">Vanadinite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FBaryte\" class=\"extiw\" title=\"en:Baryte\">Baryte\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FHollandite\" class=\"extiw\" title=\"en:Hollandite\">Hollandite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: El Kwal, Mibladene (Mibladén; Mibladan; Miblanden), Upper Moulouya lead district, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FMidelt\" class=\"extiw\" title=\"en:Midelt\">Midelt\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FKh%C3%A9nifra_Province\" class=\"extiw\" title=\"en:Khénifra Province\">Khénifra Province\u003C\u002Fa>, Meknès-Tafilalet Region, Morocco (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-12255.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 14.3 x 9.6 x 7.9 cm.\u003C\u002Fdd>\n\u003Cdd>Beautifully gemmy and lustrous, cherry-red, tabular vanadinite prisms to 6 mm are richly sprinkled on the cabinet matrix of solid baryte. The coating of black hollandite on the baryte blades is a stark contrast to the red vanadinites and snow-white baryte. These vanadinite have the color and gemminess of fine spinel crystals, but are not. This showy and excellent large piece is from the much less well-known El Kwal deposit near Mibladen. Ex. Daniel Trinchillo Sr. Collection. This piece probably dates to the 1970s or 1980s.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",400,354,{"id":469,"source_url":470,"license_code":471,"credit_html":472,"title":473,"description":474,"author":475,"original_width":476,"original_height":477},11551,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=79361170","CC BY 4.0","Boris Lobastov, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=79361170\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Hollandite star in quartz.jpg","Hollandite star in quartz crystal. Hollandite is a rare mineral of oxides class. Occasionally it forms specific in form inclusion in quartz crystals, like this. If you look closely, you can see that the hollandite star is located on the face of the phantom quartz crystal. Width of the star is 2.4 mm, the face through which the photo was taken is polished.","Boris Lobastov",5184,3456,{"id":479,"source_url":480,"license_code":310,"credit_html":481,"title":482,"description":483,"author":484,"original_width":485,"original_height":486},59456,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=20523499","Chris857, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=20523499\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Hollandite (A.E. Seaman Mineral Museum).jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FHollandite\" class=\"extiw\" title=\"w:Hollandite\">Hollandite\u003C\u002Fa> from \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FWakefield,_Michigan\" class=\"extiw\" title=\"w:Wakefield, Michigan\">Wakefield, Michigan\u003C\u002Fa>. Held in the \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FA._E._Seaman_Mineral_Museum\" class=\"extiw\" title=\"w:A. E. Seaman Mineral Museum\">A. E. Seaman Mineral Museum\u003C\u002Fa>.","Chris857",1640,1304,{"id":488,"source_url":489,"license_code":310,"credit_html":490,"title":491,"description":492,"author":433,"original_width":434,"original_height":435},59459,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=23272098","Géry PARENT, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=23272098\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Vanadinite, baryte, hollandite.jpg","vanadinite, baryte, hollandite : Mibladen Mine, Mibladane (Mibladén ; Mibladan ; Miblanden), Aouli, Upper Moulouya lead District, Midelt, Khénifra Province, Meknès-Tafilalet Region, Morocco",{"id":494,"source_url":495,"license_code":303,"credit_html":496,"title":497,"description":498,"author":499,"original_width":500,"original_height":501},59461,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=73093551","Bramfab, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=73093551\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","MI S N Minerali (24).jpg","\u003Ca href=\"https:\u002F\u002Fde.wikipedia.org\u002Fwiki\u002FVanadinit\" class=\"extiw\" title=\"de:Vanadinit\">Vanadinit\u003C\u002Fa> (rot) auf \u003Ca href=\"https:\u002F\u002Fde.wikipedia.org\u002Fwiki\u002FBaryt\" class=\"extiw\" title=\"de:Baryt\">Baryt\u003C\u002Fa> (weiß an den Rändern der Stufe), der von \u003Ca href=\"https:\u002F\u002Fde.wikipedia.org\u002Fwiki\u002FHollandit\" class=\"extiw\" title=\"de:Hollandit\">Hollandit\u003C\u002Fa> (schwarz) überkrustet ist (vergl. dazu \u003Ca href=\"\u002F\u002Fcommons.wikimedia.org\u002Fwiki\u002FFile:Vanadinite-Baryte-Hollandite-267005.jpg\" title=\"File:Vanadinite-Baryte-Hollandite-267005.jpg\">File:Vanadinite-Baryte-Hollandite-267005.jpg\u003C\u002Fa>). Ausgestellt im \u003Ca href=\"https:\u002F\u002Fde.wikipedia.org\u002Fwiki\u002FMuseo_Civico_di_Storia_Naturale_di_Milano\" class=\"extiw\" title=\"de:Museo Civico di Storia Naturale di Milano\">Museo Civico di Storia Naturale di Milano\u003C\u002Fa>.","Bramfab",3872,2592,{"id":503,"source_url":504,"license_code":310,"credit_html":505,"title":506,"description":458,"author":366,"original_width":507,"original_height":333},8591,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10438702","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10438702\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Hollandite-Quartz-sea72c.jpg",578,{"id":509,"source_url":510,"license_code":310,"credit_html":511,"title":512,"description":458,"author":366,"original_width":513,"original_height":333},8592,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10438703","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10438703\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Hollandite-Quartz-sea72b.jpg",733,{"id":515,"source_url":516,"license_code":310,"credit_html":517,"title":518,"description":458,"author":366,"original_width":333,"original_height":519},8593,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10438704","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10438704\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Hollandite-Quartz-sea72d.jpg",543,[521,527],{"id":522,"url":523,"label":524,"formula":525,"spacegroup":526,"year":255},6265,"\u002Fcif\u002F6265.cif","Miura 1986","Ba.75 K.19 (Mn3.92 Fe.08) O8","I 1 2\u002Fm 1",{"id":528,"url":529,"label":530,"formula":531,"spacegroup":526,"year":246},6266,"\u002Fcif\u002F6266.cif","Post 1982","Ba.34 Pb.08 Mn3.24 Fe.64 Al.12 O8",[],[534,538,543,547,551,555,559,563,566,570,573,577,581,585,588,592,595,599,603],{"lang":535,"names":536},"af",[537],"Hollandiet",{"lang":539,"names":540},"ca",[541,542],"hol·landita","hollandita",{"lang":544,"names":545},"de",[546],"Hollandit",{"lang":548,"names":549},"el",[550],"Ολλανδίτης",{"lang":552,"names":553},"eo",[554],"holandito",{"lang":556,"names":557},"es",[558],"Hollandita",{"lang":560,"names":561},"et",[562],"hollandiit",{"lang":564,"names":565},"eu",[558],{"lang":567,"names":568},"fr",[569],"hollandite",{"lang":571,"names":572},"it",[7],{"lang":574,"names":575},"ja",[576],"ホランド鉱",{"lang":578,"names":579},"nb",[580],"hollanditt",{"lang":582,"names":583},"nl",[584],"hollandiet",{"lang":586,"names":587},"nn",[580],{"lang":589,"names":590},"pl",[591],"Hollandyt",{"lang":593,"names":594},"pt",[542],{"lang":596,"names":597},"ru",[598],"Голландит",{"lang":600,"names":601},"uk",[602],"Голандит",{"lang":604,"names":605},"zh",[606,607],"硬锰矿","锰钡矿","Q420948",{"history":11,"applications":11}]