[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"minerals:one:27532":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":11,"ima_status":24,"ima_notes":11,"ima_history":11,"approval_year":26,"publication_year":27,"discovery_year":11,"strunz10ed1":28,"strunz10ed2":29,"strunz10ed3":30,"strunz10ed4":31,"dana8ed1":32,"dana8ed2":32,"dana8ed3":32,"dana8ed4":32,"csystem":33,"cclass":34,"spacegroup":35,"spacegroupset":32,"a":36,"b":32,"c":37,"alpha":32,"beta":32,"gamma":32,"aerror":11,"berror":11,"cerror":11,"alphaerror":11,"betaerror":11,"gammaerror":11,"va3":11,"z":38,"csmetamict":14,"commentcrystal":11,"twinning":39,"tranglide":11,"parting":11,"epitaxidescription":11,"morphology":11,"tlform":40,"hmin":41,"hmax":41,"hardtype":11,"vhnmin":32,"vhnmax":32,"vhnerror":11,"vhng":11,"vhns":11,"commenthard":11,"dmeas":32,"dmeas2":32,"dcalc":42,"dmeaserror":11,"dcalcerror":11,"commentdense":11,"lustre":11,"lustretype":43,"commentluster":11,"diapheny":44,"streak":11,"colour":45,"commentcolor":11,"colors":46,"streak_colors":11,"luminescence":11,"uv":11,"cleavage":11,"cleavagetype":53,"fracturetype":54,"tenacity":55,"commentbreak":11,"opticaltype":56,"opticalsign":57,"opticalalpha":32,"opticalalpha2":32,"opticalalphaerror":11,"opticalbeta":32,"opticalbeta2":32,"opticalbetaerror":11,"opticalgamma":32,"opticalgamma2":32,"opticalgammaerror":11,"opticalomega":58,"opticalomega2":32,"opticalomegaerror":11,"opticalepsilon":59,"opticalepsilon2":32,"opticalepsilonerror":11,"opticaln":32,"opticaln2":32,"opticalnerror":11,"optical2vcalc":32,"optical2vcalc2":32,"optical2vcalcerror":11,"optical2vmeasured":32,"optical2vmeasured2":32,"optical2vmeasurederror":11,"rimin":60,"rimax":61,"opticaldispersion":11,"opticalpleochroism":62,"opticalpleochorismdesc":63,"opticalbirefringence":64,"opticalcomments":65,"opticalcolour":11,"opticalinternal":11,"opticaltropic":11,"opticalanisotropism":11,"opticalbireflectance":11,"opticalextinction":66,"opticalr":11,"specdispm":11,"ir":11,"electrical":11,"magnetism":11,"thermalbehaviour":11,"other":11,"industrial":11,"occurrence":67,"otheroccurrence":11,"type_specimen_store":68,"description_short":69,"aboutname":70,"rock_parent":11,"rock_parent2":11,"rock_root":9,"rock_bgs_code":11,"meteoritical_code":11,"updttime":71,"reviewed_at":11,"variety_of":11,"varieties":72,"group_members":73,"associates":82,"confused_with":83,"type_localities":84,"occurrence_total":91,"citations":92,"images":101,"structures":102,"synonyms":109,"language_names":112,"wikidata_qid":129,"texts":130},27532,"1:1:27532:7","34c0182a-ef5f-42f7-80d9-57419d79e140","Holtstamite","Hts",0,"mineral",null,52728,55,false,"Ca\u003Csub>3\u003C\u002Fsub>Al\u003Csub>2\u003C\u002Fsub>(SiO\u003Csub>4\u003C\u002Fsub>)\u003Csub>2\u003C\u002Fsub>[◻(OH)\u003Csub>4\u003C\u002Fsub>]","Ca\u003Csub>3\u003C\u002Fsub>Al\u003Csub>2\u003C\u002Fsub>(SiO\u003Csub>4\u003C\u002Fsub>)\u003Csub>2\u003C\u002Fsub>(OH)\u003Csub>4\u003C\u002Fsub>",[18,19,20,21,22],"Al","Ca","Si","O","H",[18,19,20,21,22],[25],"APPROVED",2003,2005,"9","A","D","25","0","Tetragonal",27,177,"12.337","11.93",8,"Twinning around [111], creating pseudo-octahedrons.","Rounded grains (up to 3 mm) composed of small (\u003C 0.4 mm) commonly twinned crystals. Occasionally, the crystals make up\r\npseudo-octahedra.",6,"3.33","Vitreous,Sub-Vitreous","Transparent","Brownish-yellow, pale-yellow, gray-white, white, colorless",[47,48,49,50,51,52],"yellow","brown","gray","white","colorless","orange","None Observed","Conchoidal","brittle","Uniaxial","+","1.718","1.746",1.718,1.746,"Weak","O = pale orange yellow and E = lemon yellow.","0.028","Absorption: E > O.","Parallel","Calc-silicate skarn.","Swedish Museum of Natural History, Stockholm, no. 960380.","Garnet Group. The aluminum analogue of Henritermierite.\r\n\r\nCompare also the Grossular-Katoite Series.","Honors Dr. Dan Holtstam (b. 1963) for his contributions to Swedish mineralogy and specifically Mn deposits of the Långban type.\r\n","2025-08-11 12:14:52",[],[74],{"id":75,"name":76,"entrytype":9,"csystem":33,"ima_formula":77,"mindat_formula":78,"hmin":11,"hmax":11,"dmeas":79,"dcalc":80,"primary_image_id":81},1868,"Henritermierite","Ca\u003Csub>3\u003C\u002Fsub>Mn\u003Csup>3+\u003C\u002Fsup>\u003Csub>2\u003C\u002Fsub>(SiO\u003Csub>4\u003C\u002Fsub>)\u003Csub>2\u003C\u002Fsub>(OH)\u003Csub>4\u003C\u002Fsub>","Ca\u003Csub>3\u003C\u002Fsub>Mn\u003Csup>3+\u003C\u002Fsup>\u003Csub>2\u003C\u002Fsub>(SiO\u003Csub>4\u003C\u002Fsub>)\u003Csub>2\u003C\u002Fsub>[◻(OH)\u003Csub>4\u003C\u002Fsub>]","3.34","3.40",11158,[],[],[85],{"id":86,"txt":87,"latitude":88,"longitude":89,"country":90},3071,"Wessels Mine, Joe Morolong Local Municipality, John Taolo Gaetsewe District Municipality, Northern Cape, South Africa",-27.1135346,22.8543941,"South Africa",3,[93,97],{"id":94,"year":27,"html":95,"doi":96},128450,"Hålenius, Ulf, Häussermann, Ulrich, Harryson, Hans (2005) Holtstamite, Ca3(Al,Mn3+)2(SiO4)3-x(H4O4)x, a new tetragonal hydrogarnet from Wessels Mine, South Africa. \u003Ci>European Journal of Mineralogy\u003C\u002Fi>,  17 (2) 375-382 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1127\u002F0935-1221\u002F2005\u002F0017-0375'>doi:10.1127\u002F0935-1221\u002F2005\u002F0017-0375\u003C\u002Fa>","10.1127\u002F0935-1221\u002F2005\u002F0017-0375",{"id":98,"year":99,"html":100,"doi":11},16964877,2014,"(2014) Holtstamite. \u003Ci>Handbook of Mineralogy\u003C\u002Fi>. Mineralogical Society of America \u003Ca target='_blank' href='https:\u002F\u002Fwww.handbookofmineralogy.org\u002Fpdfs\u002Fholtstamite.pdf' class='refpdflink'>\u003C\u002Fa>",[],[103],{"id":104,"url":105,"label":106,"formula":107,"spacegroup":108,"year":27},6284,"\u002Fcif\u002F6284.cif","Halenius 2005","Ca3 (Mn1.006 Al.994) Si1.95 O12 H4","I 41\u002Fa c d",[110,111],"Holtstamiet","IMA2003-047",[113,117,122,126],{"lang":114,"names":115},"ca",[116],"holtstamita",{"lang":118,"names":119},"de",[120,121],"Holtstamit","IMA 2003-047",{"lang":123,"names":124},"eu",[125],"Holtstamita",{"lang":127,"names":128},"it",[7],"Q3786370",{"history":11,"applications":11}]