[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"minerals:one:3431":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":23,"key_elements":11,"impurities":11,"cim":24,"ima_status":25,"ima_notes":11,"ima_history":11,"approval_year":27,"publication_year":28,"discovery_year":29,"strunz10ed1":30,"strunz10ed2":31,"strunz10ed3":22,"strunz10ed4":32,"dana8ed1":33,"dana8ed2":30,"dana8ed3":34,"dana8ed4":35,"csystem":36,"cclass":37,"spacegroup":37,"spacegroupset":38,"a":39,"b":40,"c":41,"alpha":42,"beta":43,"gamma":42,"aerror":44,"berror":45,"cerror":46,"alphaerror":11,"betaerror":37,"gammaerror":11,"va3":47,"z":48,"csmetamict":14,"commentcrystal":49,"twinning":50,"tranglide":11,"parting":11,"epitaxidescription":11,"morphology":51,"tlform":11,"hmin":52,"hmax":52,"hardtype":11,"vhnmin":42,"vhnmax":42,"vhnerror":11,"vhng":11,"vhns":11,"commenthard":11,"dmeas":53,"dmeas2":53,"dcalc":54,"dmeaserror":11,"dcalcerror":11,"commentdense":11,"lustre":11,"lustretype":55,"commentluster":56,"diapheny":57,"streak":58,"colour":59,"commentcolor":11,"colors":60,"streak_colors":65,"luminescence":11,"uv":66,"cleavage":67,"cleavagetype":68,"fracturetype":69,"tenacity":70,"commentbreak":11,"opticaltype":71,"opticalsign":72,"opticalalpha":73,"opticalalpha2":42,"opticalalphaerror":11,"opticalbeta":74,"opticalbeta2":42,"opticalbetaerror":11,"opticalgamma":74,"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":30,"optical2vmeasured2":42,"optical2vmeasurederror":11,"rimin":75,"rimax":76,"opticaldispersion":77,"opticalpleochroism":78,"opticalpleochorismdesc":79,"opticalbirefringence":80,"opticalcomments":11,"opticalcolour":11,"opticalinternal":11,"opticaltropic":11,"opticalanisotropism":11,"opticalbireflectance":11,"opticalextinction":81,"opticalr":11,"specdispm":11,"ir":11,"electrical":11,"magnetism":11,"thermalbehaviour":11,"other":11,"industrial":11,"occurrence":82,"otheroccurrence":11,"type_specimen_store":83,"description_short":84,"aboutname":85,"rock_parent":11,"rock_parent2":11,"rock_root":9,"rock_bgs_code":11,"meteoritical_code":11,"updttime":86,"reviewed_at":11,"variety_of":11,"varieties":87,"group_members":88,"associates":111,"confused_with":138,"type_localities":148,"occurrence_total":155,"citations":156,"images":176,"structures":197,"synonyms":204,"language_names":207,"wikidata_qid":237,"texts":238},3431,"1:1:3431:5","99689eba-c851-472e-8f7a-c352c7224fb3","Robertsite","Rbt",0,"mineral",null,43225,1053,false,"Ca\u003Csub>2\u003C\u002Fsub>Mn\u003Csup>3+\u003C\u002Fsup>\u003Csub>3\u003C\u002Fsub>(PO\u003Csub>4\u003C\u002Fsub>)\u003Csub>3\u003C\u002Fsub>O\u003Csub>2\u003C\u002Fsub>·3H\u003Csub>2\u003C\u002Fsub>O","Ca\u003Csub>2\u003C\u002Fsub>Mn\u003Csup>3+\u003C\u002Fsup>\u003Csub>3\u003C\u002Fsub>O\u003Csub>2\u003C\u002Fsub>(PO\u003Csub>4\u003C\u002Fsub>)\u003Csub>3\u003C\u002Fsub> · 3H\u003Csub>2\u003C\u002Fsub>O",[18,19,20,21,22],"Ca","Mn","O","P","H",[18,19,20,21,22],"19.12.6",[26],"APPROVED",1973,1974,"1973","8","D","30","42","4","2","Monoclinic",3,"Bb ","17.3400","19.4464","11.2787","0","96.634",9,10,6,3777.7,12,"A non-standard cell chosen, cfr  Andrade et al. (2012)","Multiple rotation twins (π\u002F3) perpendicular to {100}","Frequently earthy in coatings. Not rarely scaly or in densely packed crystals in subparallel groupings. Crystals frequently show corrugations and deep striations or notches.",3.5,"3.13","3.05","Waxy,Greasy,Pearly","Bright relections on basal sections","Translucent","Red-brown","Red, red-brown, deep red, bronzy brown, black",[61,62,63,64],"red","brown","black","pink",[61,62],"nonfluorescent","{100}","Very Good","Micaceous","waxy","Biaxial","-","1.775","1.820",1.775,1.82,"relatively weak","Strong","X pale red to pink Y,Z deep red brown","0.045","X ~ ⊥ {100}","Late stage mineralization in granite pegmatites.","National Museum of Natural History, Washington, D.C., USA, 127151.","Brown to dark brown coatings, usually fine-grained, but sometimes crystallized with densely packed pseudohexagonal platy, columnar, or fibrous crystals.\r\n\r\nMuch more common than its dimorph pararobertsite.","Named in 1974 by Paul Brian Moore and Jun Ito in honor of Willard \"Bill\" Lincoln Roberts [February 12, 1923 Epworth, Iowa, USA - March 23, 1987 Rapid City, South Dakota, USA], professor of mineralogy and curator of the South Dakota School of Mines mineral museum. Bill was strongly influenced by the phosphate mineral bearing granite pegmatites of the nearby Black Hill and collaborated with many mineralogists, including Mary Mrose, Paul Moore, and Jun Ito and through this collaboration about 15-20 phosphates minerals were described by various authors. Bill was senior author of both the Mineralogy of the Black Hills and the Encyclopedia of Minerals (first edition).","2025-08-11 12:14:23",[],[89,98,104],{"id":90,"name":91,"entrytype":9,"csystem":36,"ima_formula":92,"mindat_formula":93,"hmin":94,"hmax":94,"dmeas":95,"dcalc":96,"primary_image_id":97},360,"Arseniosiderite","Ca\u003Csub>2\u003C\u002Fsub>Fe\u003Csup>3+\u003C\u002Fsup>\u003Csub>3\u003C\u002Fsub>O\u003Csub>2\u003C\u002Fsub>(AsO\u003Csub>4\u003C\u002Fsub>)\u003Csub>3\u003C\u002Fsub> · 3H\u003Csub>2\u003C\u002Fsub>O","Ca\u003Csub>2\u003C\u002Fsub>Fe\u003Csup>3+\u003C\u002Fsup>\u003Csub>3\u003C\u002Fsub>(AsO\u003Csub>4\u003C\u002Fsub>)\u003Csub>3\u003C\u002Fsub>O\u003Csub>2\u003C\u002Fsub>·3H\u003Csub>2\u003C\u002Fsub>O",4.5,"3.58","3.78",2032,{"id":99,"name":100,"entrytype":9,"csystem":36,"ima_formula":101,"mindat_formula":102,"hmin":103,"hmax":103,"dmeas":42,"dcalc":42,"primary_image_id":11},2240,"Kolfanite","Ca\u003Csub>2\u003C\u002Fsub>Fe\u003Csup>3+\u003C\u002Fsup>\u003Csub>3\u003C\u002Fsub>O\u003Csub>2\u003C\u002Fsub>(AsO\u003Csub>4\u003C\u002Fsub>)\u003Csub>3\u003C\u002Fsub> · 2H\u003Csub>2\u003C\u002Fsub>O","Ca\u003Csub>2\u003C\u002Fsub>Fe\u003Csup>3+\u003C\u002Fsup>\u003Csub>3\u003C\u002Fsub>O\u003Csub>2\u003C\u002Fsub>(AsO\u003Csub>4\u003C\u002Fsub>)\u003Csub>3\u003C\u002Fsub>·2H\u003Csub>2\u003C\u002Fsub>O",2.5,{"id":105,"name":106,"entrytype":9,"csystem":36,"ima_formula":107,"mindat_formula":108,"hmin":103,"hmax":103,"dmeas":42,"dcalc":109,"primary_image_id":110},2728,"Mitridatite","Ca\u003Csub>2\u003C\u002Fsub>Fe\u003Csup>3+\u003C\u002Fsup>\u003Csub>3\u003C\u002Fsub>O\u003Csub>2\u003C\u002Fsub>(PO\u003Csub>4\u003C\u002Fsub>)\u003Csub>3\u003C\u002Fsub> · 3H\u003Csub>2\u003C\u002Fsub>O","Ca\u003Csub>2\u003C\u002Fsub>Fe\u003Csup>3+\u003C\u002Fsup>\u003Csub>3\u003C\u002Fsub>(PO\u003Csub>4\u003C\u002Fsub>)\u003Csub>3\u003C\u002Fsub>O\u003Csub>2\u003C\u002Fsub>·3H\u003Csub>2\u003C\u002Fsub>O","3.25",16380,[112,120,129],{"id":113,"name":114,"entrytype":9,"csystem":36,"ima_formula":115,"mindat_formula":116,"hmin":37,"hmax":37,"dmeas":117,"dcalc":118,"primary_image_id":119},1383,"Englishite","K\u003Csub>3\u003C\u002Fsub>Na\u003Csub>2\u003C\u002Fsub>Ca\u003Csub>10\u003C\u002Fsub>Al\u003Csub>15\u003C\u002Fsub>(OH)\u003Csub>7\u003C\u002Fsub>(PO\u003Csub>4\u003C\u002Fsub>)\u003Csub>21\u003C\u002Fsub> · 26H\u003Csub>2\u003C\u002Fsub>O","K\u003Csub>3\u003C\u002Fsub>Na\u003Csub>2\u003C\u002Fsub>Ca\u003Csub>10\u003C\u002Fsub>Al\u003Csub>15\u003C\u002Fsub>(PO\u003Csub>4\u003C\u002Fsub>)\u003Csub>21\u003C\u002Fsub>(OH)\u003Csub>7\u003C\u002Fsub>·26H\u003Csub>2\u003C\u002Fsub>O","2.65","2.69",7842,{"id":121,"name":122,"entrytype":9,"csystem":123,"ima_formula":124,"mindat_formula":125,"hmin":52,"hmax":52,"dmeas":126,"dcalc":127,"primary_image_id":128},1728,"Gordonite","Triclinic","MgAl\u003Csub>2\u003C\u002Fsub>(PO\u003Csub>4\u003C\u002Fsub>)\u003Csub>2\u003C\u002Fsub>(OH)\u003Csub>2\u003C\u002Fsub> · 8H\u003Csub>2\u003C\u002Fsub>O","MgAl\u003Csub>2\u003C\u002Fsub>(PO\u003Csub>4\u003C\u002Fsub>)\u003Csub>2\u003C\u002Fsub>(OH)\u003Csub>2\u003C\u002Fsub>·8H\u003Csub>2\u003C\u002Fsub>O","2.23","2.22",10243,{"id":130,"name":131,"entrytype":9,"csystem":36,"ima_formula":132,"mindat_formula":133,"hmin":134,"hmax":134,"dmeas":135,"dcalc":136,"primary_image_id":137},2767,"Montgomeryite","Ca\u003Csub>4\u003C\u002Fsub>MgAl\u003Csub>4\u003C\u002Fsub>(PO\u003Csub>4\u003C\u002Fsub>)\u003Csub>6\u003C\u002Fsub>(OH)\u003Csub>4\u003C\u002Fsub> · 12H\u003Csub>2\u003C\u002Fsub>O","Ca\u003Csub>4\u003C\u002Fsub>MgAl\u003Csub>4\u003C\u002Fsub>(PO\u003Csub>4\u003C\u002Fsub>)\u003Csub>6\u003C\u002Fsub>(OH)\u003Csub>4\u003C\u002Fsub>·12H\u003Csub>2\u003C\u002Fsub>O",4,"2.53","2.523",16660,[139,140],{"id":90,"name":91,"entrytype":9,"csystem":36,"ima_formula":92,"mindat_formula":93,"hmin":94,"hmax":94,"dmeas":95,"dcalc":96,"primary_image_id":97},{"id":141,"name":142,"entrytype":9,"csystem":36,"ima_formula":143,"mindat_formula":15,"hmin":144,"hmax":144,"dmeas":145,"dcalc":146,"primary_image_id":147},3108,"Pararobertsite","Ca\u003Csub>2\u003C\u002Fsub>Mn\u003Csup>3+\u003C\u002Fsup>\u003Csub>3\u003C\u002Fsub>(PO\u003Csub>4\u003C\u002Fsub>)\u003Csub>3\u003C\u002Fsub>O\u003Csub>2\u003C\u002Fsub> · 3H\u003Csub>2\u003C\u002Fsub>O",2,"3.22","3.21",18707,[149],{"id":150,"txt":151,"latitude":152,"longitude":153,"country":154},4122,"Tip Top Mine, Fourmile, Custer Mining District, Custer County, South Dakota, USA",43.7155556,-103.6694444,"USA",40,[157,160,164,168,172],{"id":158,"year":28,"html":159,"doi":11},526191,"Moore, Paul Brian, Ito, J. (1974) I. Jahnsite, segelerite, and robertsite, three new transition metal phosphate species. II. Redefinition of overite, an isotype of segelerite. III. Isotypy of robertsite, mitridatite, and arseniosiderite. \u003Ci>American Mineralogist\u003C\u002Fi>,  59 (1-2) 48-59 \u003Ca target='_blank' href='http:\u002F\u002Fwww.minsocam.org\u002Fammin\u002FAM59\u002FAM59_48.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":161,"year":162,"html":163,"doi":11},16017992,1988,"Van Kauwenbergh, S.J., Cooper-Fleck, M., Williams, M.R. (1988) The occurrence of robertsite in a sedimentary phosphate ore from Thailand. Mineralogical Magazine: 52: 505-508.",{"id":165,"year":166,"html":167,"doi":11},528797,1989,"Jambor, John L., Burke, Ernst A. J. (1989) New Mineral Names. \u003Ci>American Mineralogist\u003C\u002Fi>,  74 (11-12) 1399-1404 \u003Ca target='_blank' href='http:\u002F\u002Fwww.minsocam.org\u002Fammin\u002FAM74\u002FAM74_1399.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":169,"year":170,"html":171,"doi":11},16967021,2005,"(2005) Robertsite. \u003Ci>Handbook of Mineralogy\u003C\u002Fi>. Mineralogical Society of America \u003Ca target='_blank' href='https:\u002F\u002Fwww.handbookofmineralogy.org\u002Fpdfs\u002Frobertsite.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":173,"year":174,"html":175,"doi":11},16122030,2012,"Andrade, M.B., Morrison, S.M., Di Domizio, A.J., Feinglos, M.N., Downs, R.T. (2012) Robertsite, \u003Cf>Ca^3Mn#3+#^4(PO^4)^3O^2.3H^2O\u003C\u002Ff>. Acta Crystallographica: E68: i74-i75.",[177,187],{"id":178,"source_url":179,"license_code":180,"credit_html":181,"title":182,"description":183,"author":184,"original_width":185,"original_height":186},21005,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=118191188","CC BY-SA 2.0","Pacific Museum of Earth from Canada, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=118191188\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Robertsite (48140773728).jpg","\u003Cp>Tip Top Mine - Custer County\nSouth Dakota, USA\n\u003C\u002Fp>\nSpecial Features: Botryoidal","Pacific Museum of Earth from Canada",4000,6000,{"id":188,"source_url":189,"license_code":190,"credit_html":191,"title":192,"description":193,"author":194,"original_width":195,"original_height":196},21004,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=14867150","CC BY-SA 3.0","Leon Hupperichs, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=14867150\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Robertsite-Beraunite-220952.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FRobertsite\" class=\"extiw\" title=\"en:Robertsite\">Robertsite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FBeraunite\" class=\"extiw\" title=\"en:Beraunite\">Beraunite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Hagendorf South Pegmatite (Cornelia Mine; Hagendorf South Open Cut), \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FH%C3%A4gendorf\" class=\"extiw\" title=\"en:Hägendorf\">Hagendorf\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FWaidhaus\" class=\"extiw\" title=\"en:Waidhaus\">Waidhaus\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FVohenstrau%C3%9F\" class=\"extiw\" title=\"en:Vohenstrauß\">Vohenstrauß\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FUpper_Palatinate_Forest\" class=\"extiw\" title=\"en:Upper Palatinate Forest\">Oberpfälzer Wald\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FUpper_Palatinate\" class=\"extiw\" title=\"en:Upper Palatinate\">Upper Palatinate\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FBavaria\" class=\"extiw\" title=\"en:Bavaria\">Bavaria\u003C\u002Fa>, Germany (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-1769.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Small reddish brown Robertsite spheres on Beraunite. Field of view 4mm. Specimen and photo Leon Hupperichs.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>","Leon Hupperichs",720,548,[198],{"id":199,"url":200,"label":201,"formula":202,"spacegroup":203,"year":174},12228,"\u002Fcif\u002F12228.cif","Andrade 2012","Ca2 Mn3 P3 O17 H6","A 1 a 1",[205,206],"IMA1973-024","Robertsiet",[208,212,216,220,223,227,230,233],{"lang":209,"names":210},"ca",[211],"robertsita",{"lang":213,"names":214},"de",[215],"Robertsit",{"lang":217,"names":218},"es",[219],"Robertsita",{"lang":221,"names":222},"eu",[219],{"lang":224,"names":225},"fr",[226],"robertsite",{"lang":228,"names":229},"it",[7],{"lang":231,"names":232},"nl",[226],{"lang":234,"names":235},"pl",[236],"Robertsyt","Q2917459",{"history":11,"applications":11}]