[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"minerals:one:3082":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":15,"elements":16,"sigelements":21,"key_elements":22,"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":34,"csystem":36,"cclass":37,"spacegroup":38,"spacegroupset":39,"a":40,"b":41,"c":42,"alpha":43,"beta":44,"gamma":43,"aerror":11,"berror":11,"cerror":11,"alphaerror":11,"betaerror":11,"gammaerror":11,"va3":11,"z":45,"csmetamict":14,"commentcrystal":46,"twinning":47,"tranglide":11,"parting":11,"epitaxidescription":11,"morphology":48,"tlform":49,"hmin":50,"hmax":50,"hardtype":11,"vhnmin":43,"vhnmax":43,"vhnerror":11,"vhng":11,"vhns":11,"commenthard":11,"dmeas":51,"dmeas2":52,"dcalc":53,"dmeaserror":11,"dcalcerror":11,"commentdense":11,"lustre":11,"lustretype":54,"commentluster":11,"diapheny":55,"streak":11,"colour":56,"commentcolor":11,"colors":57,"streak_colors":11,"luminescence":11,"uv":11,"cleavage":61,"cleavagetype":62,"fracturetype":63,"tenacity":11,"commentbreak":11,"opticaltype":64,"opticalsign":65,"opticalalpha":66,"opticalalpha2":43,"opticalalphaerror":11,"opticalbeta":67,"opticalbeta2":43,"opticalbetaerror":11,"opticalgamma":68,"opticalgamma2":43,"opticalgammaerror":11,"opticalomega":43,"opticalomega2":43,"opticalomegaerror":11,"opticalepsilon":43,"opticalepsilon2":43,"opticalepsilonerror":11,"opticaln":43,"opticaln2":43,"opticalnerror":11,"optical2vcalc":43,"optical2vcalc2":43,"optical2vcalcerror":11,"optical2vmeasured":69,"optical2vmeasured2":70,"optical2vmeasurederror":11,"rimin":71,"rimax":72,"opticaldispersion":73,"opticalpleochroism":11,"opticalpleochorismdesc":11,"opticalbirefringence":11,"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":74,"otheroccurrence":11,"type_specimen_store":11,"description_short":75,"aboutname":76,"rock_parent":11,"rock_parent2":11,"rock_root":9,"rock_bgs_code":11,"meteoritical_code":11,"updttime":77,"reviewed_at":11,"variety_of":11,"varieties":78,"group_members":79,"associates":139,"confused_with":140,"type_localities":157,"occurrence_total":164,"citations":165,"images":211,"structures":230,"synonyms":243,"language_names":244,"wikidata_qid":267,"texts":268},3082,"1:1:3082:9","61052bc2-21a3-49b6-85d1-d35a902ec561","Paracelsian","Pcls",0,"mineral",null,1624,85,false,"Ba(Al\u003Csub>2\u003C\u002Fsub>Si\u003Csub>2\u003C\u002Fsub>O\u003Csub>8\u003C\u002Fsub>)",[17,18,19,20],"Al","Ba","Si","O",[17,18,19,20],[18],",Fe,Mg,Ca,Na,K,H2O,","16.12.5",[26,27],"APPROVED","GRANDFATHERED","1905","9","F","A","40","76","1","5","Monoclinic",5,14,"P21\u002Fa","9.07","9.58","8.57","0","90.01",4,"Pseudo-orthorhombic.","Twinning on {100}, simple; on {201}, lamellar.","Crystals prismatic, with {110} and {120} dominant, and with chisel-shaped terminations formed by {201}.","Crystals prismatic, dominated by {110} and {120}, with chisel-shaped termination by {201}",6,"3.29","3.32","3.342","Vitreous","Transparent,Translucent","Colourless to white, light yellow tint.",[58,59,60],"colorless","white","yellow","Poor cleavage {110} (unusual for feldspars).","Poor\u002FIndistinct","Sub-Conchoidal","Biaxial","-","1.5702","1.5824","1.5869","50","53",1.5702,1.5869,"r > v","In a band through shales and sandstones, associated with a metamorphosed manganese deposit","Feldspar Group. The pseudo-orthorhombic (the monoclinic angle is 90.01°) dimorph of Celsian.\r\n\r\nParacelsian appears to be a metastable phase; it changes monotropically through hexacelsian to celsian at temperatures at least as low as 500°C and possibly...","From the Greek for \"near\" and \"Celsian\" in allusion to its relationship to that species.","2025-08-11 12:14:22",[],[80,89,96,101,107,112,117,125,132],{"id":81,"name":82,"entrytype":9,"csystem":36,"ima_formula":83,"mindat_formula":84,"hmin":85,"hmax":85,"dmeas":86,"dcalc":87,"primary_image_id":88},796,"Buddingtonite","(NH\u003Csub>4\u003C\u002Fsub>)(AlSi\u003Csub>3\u003C\u002Fsub>)O\u003Csub>8\u003C\u002Fsub>","(NH\u003Csub>4\u003C\u002Fsub>)(AlSi\u003Csub>3\u003C\u002Fsub>O\u003Csub>8\u003C\u002Fsub>)",5.5,"2.32","2.38",4113,{"id":90,"name":91,"entrytype":9,"csystem":36,"ima_formula":15,"mindat_formula":15,"hmin":50,"hmax":92,"dmeas":93,"dcalc":94,"primary_image_id":95},928,"Celsian",6.5,"3.10","3.26",5002,{"id":97,"name":98,"entrytype":9,"csystem":36,"ima_formula":99,"mindat_formula":99,"hmin":37,"hmax":50,"dmeas":43,"dcalc":100,"primary_image_id":11},26577,"Filatovite","K(Al,Zn)\u003Csub>2\u003C\u002Fsub>(As,Si)\u003Csub>2\u003C\u002Fsub>O\u003Csub>8\u003C\u002Fsub>","2.92",{"id":102,"name":103,"entrytype":9,"csystem":104,"ima_formula":15,"mindat_formula":105,"hmin":11,"hmax":11,"dmeas":11,"dcalc":106,"primary_image_id":11},46796,"Hexacelsian","Hexagonal","BaAl\u003Csub>2\u003C\u002Fsub>Si\u003Csub>2\u003C\u002Fsub>O\u003Csub>8\u003C\u002Fsub>","3.305",{"id":108,"name":109,"entrytype":9,"csystem":104,"ima_formula":110,"mindat_formula":110,"hmin":11,"hmax":11,"dmeas":43,"dcalc":111,"primary_image_id":11},27460,"Kokchetavite","K(AlSi\u003Csub>3\u003C\u002Fsub>O\u003Csub>8\u003C\u002Fsub>)","2.45",{"id":113,"name":114,"entrytype":9,"csystem":115,"ima_formula":116,"mindat_formula":116,"hmin":11,"hmax":11,"dmeas":11,"dcalc":11,"primary_image_id":11},35578,"Kumdykolite","Orthorhombic","Na(AlSi\u003Csub>3\u003C\u002Fsub>O\u003Csub>8\u003C\u002Fsub>)",{"id":118,"name":119,"entrytype":9,"csystem":120,"ima_formula":121,"mindat_formula":121,"hmin":50,"hmax":92,"dmeas":122,"dcalc":123,"primary_image_id":124},3382,"Reedmergnerite","Triclinic","NaBSi\u003Csub>3\u003C\u002Fsub>O\u003Csub>8\u003C\u002Fsub>","2.70","2.779",20683,{"id":126,"name":127,"entrytype":9,"csystem":36,"ima_formula":128,"mindat_formula":128,"hmin":85,"hmax":92,"dmeas":129,"dcalc":130,"primary_image_id":131},3684,"Slawsonite","Sr(Al\u003Csub>2\u003C\u002Fsub>Si\u003Csub>2\u003C\u002Fsub>O\u003Csub>8\u003C\u002Fsub>)","3.05","3.044",22486,{"id":133,"name":134,"entrytype":9,"csystem":36,"ima_formula":135,"mindat_formula":135,"hmin":50,"hmax":50,"dmeas":136,"dcalc":137,"primary_image_id":138},3840,"Svyatoslavite","Ca(Al\u003Csub>2\u003C\u002Fsub>Si\u003Csub>2\u003C\u002Fsub>O\u003Csub>8\u003C\u002Fsub>)","2.695","2.687",23377,[],[141,149,150,151],{"id":142,"name":143,"entrytype":9,"csystem":120,"ima_formula":144,"mindat_formula":145,"hmin":50,"hmax":50,"dmeas":146,"dcalc":147,"primary_image_id":148},670,"Bikitaite","LiAlSi\u003Csub>2\u003C\u002Fsub>O\u003Csub>6\u003C\u002Fsub> · H\u003Csub>2\u003C\u002Fsub>O","LiAlSi\u003Csub>2\u003C\u002Fsub>O\u003Csub>6\u003C\u002Fsub>·H\u003Csub>2\u003C\u002Fsub>O","2.28","2.3",3253,{"id":90,"name":91,"entrytype":9,"csystem":36,"ima_formula":15,"mindat_formula":15,"hmin":50,"hmax":92,"dmeas":93,"dcalc":94,"primary_image_id":95},{"id":102,"name":103,"entrytype":9,"csystem":104,"ima_formula":15,"mindat_formula":105,"hmin":11,"hmax":11,"dmeas":11,"dcalc":106,"primary_image_id":11},{"id":152,"name":153,"entrytype":9,"csystem":36,"ima_formula":154,"mindat_formula":155,"hmin":50,"hmax":50,"dmeas":11,"dcalc":156,"primary_image_id":11},43357,"Strontiohurlbutite","SrBe\u003Csub>2\u003C\u002Fsub>(PO\u003Csub>4\u003C\u002Fsub>)\u003Csub>2\u003C\u002Fsub>","SrBe\u003Csub>2\u003C\u002Fsub>(PO\u003Csub>4\u003C\u002Fsub>)\u003Csub>2\u003C\u002Fsub> ","3.101",[158],{"id":159,"txt":160,"latitude":161,"longitude":162,"country":163},2101,"Candoglia marble quarries, Candoglia, Mergozzo, Verbano-Cusio-Ossola Province, Piedmont, Italy",45.9819207,8.4256789,"Italy",3,[166,170,174,179,184,188,193,197,201,206],{"id":167,"year":168,"html":169,"doi":11},15972985,1905,"Tacconi, E. (1905): Di un silicato di alluminio e bario dei calcefiri di Candoglia in valle del Toce. Rendiconti del Regio Istituto Lombardo di Scienze e Lettere, Serie II, 38, 636-643.",{"id":171,"year":172,"html":173,"doi":11},16119329,1907,"Mineralogical Magazine (1907): 14: 406 (abstract).",{"id":175,"year":176,"html":177,"doi":178},4159,1942,"Spencer, L. J. (1942) Barium-felspars (celsian and paracelsian) from Wales. \u003Ci>Mineralogical Magazine and Journal of the Mineralogical Society\u003C\u002Fi>,  26 (178) 231-245 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1180\u002Fminmag.1942.026.178.01'>doi:10.1180\u002Fminmag.1942.026.178.01\u003C\u002Fa> \u003Ca target='_blank' href='https:\u002F\u002Frruff.info\u002Fdoclib\u002FMinMag\u002FVolume_26\u002F26-178-231.pdf' class='refpdflink'>\u003C\u002Fa>","10.1180\u002Fminmag.1942.026.178.01",{"id":180,"year":181,"html":182,"doi":183},465052,1953,"Smith, J. V. (1953) The crystal structure of paracelsian, BaAl2Si2O8. \u003Ci>Acta Crystallographica\u003C\u002Fi>,  6 (7) 613-620 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1107\u002Fs0365110x53001721'>doi:10.1107\u002Fs0365110x53001721\u003C\u002Fa>","10.1107\u002Fs0365110x53001721",{"id":185,"year":186,"html":187,"doi":11},524862,1968,"Lin, H. C., Foster, W. R. (1968) Studies in the system BaO-Al2O3-SiO2: I. The polymorphism of celsian. \u003Ci>American Mineralogist\u003C\u002Fi>,  53 (1-2) 134-144 \u003Ca target='_blank' href='http:\u002F\u002Fwww.minsocam.org\u002Fammin\u002FAM53\u002FAM53_134.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":189,"year":190,"html":191,"doi":192},1119085,1976,"Müller, W. F. (1976) On Polymorphism of BaAl2Si2O8. In \u003Ci>Electron Microscopy in Mineralogy\u003C\u002Fi>. Springer Berlin Heidelberg. p.354-360. \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1007\u002F978-3-642-66196-9_27'>doi:10.1007\u002F978-3-642-66196-9_27\u003C\u002Fa>","10.1007\u002F978-3-642-66196-9_27",{"id":194,"year":195,"html":196,"doi":11},528154,1985,"Chiari, G., Gazzoni, G., Craig, J. R., Gibbs, G. V., Louisnathan, S. J. (1985) Two independent refinements of the structure of paracelsian, BaAl\u003Csub>2\u003C\u002Fsub>Si\u003Csub>2\u003C\u002Fsub>O\u003Csub>8\u003C\u002Fsub>. \u003Ci>American Mineralogist\u003C\u002Fi>,  70 (9-10) 969-974 \u003Ca target='_blank' href='http:\u002F\u002Fwww.minsocam.org\u002Fammin\u002FAM70\u002FAM70_969.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":198,"year":199,"html":200,"doi":11},16966523,2001,"(2001) Paracelsian. \u003Ci>Handbook of Mineralogy\u003C\u002Fi>. Mineralogical Society of America \u003Ca target='_blank' href='https:\u002F\u002Fwww.handbookofmineralogy.org\u002Fpdfs\u002Fparacelsian.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":202,"year":203,"html":204,"doi":205},243578,2004,"Cressey, G. (2004) W.A. Deer, R.A. Howie, W.S. Wise and J. Zussman. Rock-Forming Minerals. Volume 4B. Second Edition. Framework Silicates: Silica Minerals, Feldspathoids and the Zeolites. \n            London (The Geological Society) 2004, xv + 982 pp. £125 (£62.50 to GSL members) ISBN 1-86239-144-0. Hardback. \u003Ci>Mineralogical Magazine\u003C\u002Fi>,  68 (5) 831-832 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1180\u002F0680831'>doi:10.1180\u002F0680831\u003C\u002Fa>","10.1180\u002F0680831",{"id":207,"year":208,"html":209,"doi":210},16636026,2023,"Gorelova, L.A. (2023) Phase Transformations in Feldspar Group Minerals with Paracelsian Topology under High Temperature and High Pressure. \u003Ci>Russian Geology and Geophysics\u003C\u002Fi>,  64 (8). 950-961 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.2113\u002Frgg20234557'>doi:10.2113\u002Frgg20234557\u003C\u002Fa>","10.2113\u002Frgg20234557",[212,222],{"id":213,"source_url":214,"license_code":215,"credit_html":216,"title":217,"description":218,"author":219,"original_width":220,"original_height":221},18611,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10122671","CC BY-SA 3.0","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10122671\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Paracelsian-27532.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FParacelsus\" class=\"extiw\" title=\"en:Paracelsus\">Paracelsian\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Benallt Mine (Tyddyn Meirion mine; Ty Canol mine), \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FY_Rhiw\" class=\"extiw\" title=\"en:Y Rhiw\">Rhiw\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FLlanfaelrhys\" class=\"extiw\" title=\"en:Llanfaelrhys\">Llanfaelrhys\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FLl%C5%B7n_Peninsula\" class=\"extiw\" title=\"en:Llŷn Peninsula\">Lleyn Peninsula\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FGwynedd\" class=\"extiw\" title=\"en:Gwynedd\">Gwynedd (Caernarvonshire)\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FWales\" class=\"extiw\" title=\"en:Wales\">Wales\u003C\u002Fa>, UK (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-4251.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>This specimen features SHARP freestanding paracelsian crystals to 1.5 cm and several larger though cruder crystals as well. It is of exceptional quality for the species and actually is a fairly displayable specimen considering its intrinsic relative ugliness. For what it is, a very important piece and with excellent history! I believe that Sir Russell actually collected the bulk, if not all, of these specimens. THERE HAVE NOT BEEN MORE IN ALMOST 100 YEARS! 6.2 x 4.1 x 3.9 cm\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>","Robert M. Lavinsky",700,481,{"id":223,"source_url":224,"license_code":215,"credit_html":225,"title":226,"description":227,"author":219,"original_width":228,"original_height":229},18612,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10122672","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10122672\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Paracelsian-27533.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FParacelsus\" class=\"extiw\" title=\"en:Paracelsus\">Paracelsian\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Benallt Mine (Tyddyn Meirion mine; Ty Canol mine), \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FY_Rhiw\" class=\"extiw\" title=\"en:Y Rhiw\">Rhiw\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FLlanfaelrhys\" class=\"extiw\" title=\"en:Llanfaelrhys\">Llanfaelrhys\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FLl%C5%B7n_Peninsula\" class=\"extiw\" title=\"en:Llŷn Peninsula\">Lleyn Peninsula\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FGwynedd\" class=\"extiw\" title=\"en:Gwynedd\">Gwynedd (Caernarvonshire)\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FWales\" class=\"extiw\" title=\"en:Wales\">Wales\u003C\u002Fa>, UK (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-4251.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>This specimen features a SHARP, upright, freestanding 1.7 cm crysatl on a matrix of other paracelsian crystals. It is of exceptional quality by any standard and, if trimmed, might make for a truly killer thumbnail for the species. 3.2 x 2.9 x 2.0 cm\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",266,400,[231,237],{"id":232,"url":233,"label":234,"formula":235,"spacegroup":236,"year":195},10364,"\u002Fcif\u002F10364.cif","Chiari 1985","Ba Al2 Si2 O8","P 1 21\u002Fa 1",{"id":238,"url":239,"label":240,"formula":241,"spacegroup":242,"year":181},10366,"\u002Fcif\u002F10366.cif","Smith 1953","Ba (Al2 Si2) O8","P n a m",[],[245,249,252,256,259,263],{"lang":246,"names":247},"ca",[248],"paracelsiana",{"lang":250,"names":251},"de",[7],{"lang":253,"names":254},"eu",[255],"Paracelsiana",{"lang":257,"names":258},"it",[7,255],{"lang":260,"names":261},"ru",[262],"парацельсиан",{"lang":264,"names":265},"uk",[266],"Парацельзіан","Q3894972",{"history":11,"applications":11}]