[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"minerals:one:4034":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":24,"key_elements":25,"impurities":11,"cim":11,"ima_status":26,"ima_notes":11,"ima_history":11,"approval_year":11,"publication_year":28,"discovery_year":29,"strunz10ed1":30,"strunz10ed2":31,"strunz10ed3":32,"strunz10ed4":33,"dana8ed1":34,"dana8ed2":35,"dana8ed3":36,"dana8ed4":37,"csystem":38,"cclass":39,"spacegroup":40,"spacegroupset":41,"a":42,"b":43,"c":44,"alpha":41,"beta":41,"gamma":41,"aerror":45,"berror":46,"cerror":46,"alphaerror":11,"betaerror":11,"gammaerror":11,"va3":11,"z":46,"csmetamict":14,"commentcrystal":11,"twinning":47,"tranglide":11,"parting":11,"epitaxidescription":11,"morphology":11,"tlform":48,"hmin":49,"hmax":49,"hardtype":11,"vhnmin":50,"vhnmax":51,"vhnerror":11,"vhng":52,"vhns":11,"commenthard":11,"dmeas":53,"dmeas2":53,"dcalc":54,"dmeaserror":55,"dcalcerror":11,"commentdense":11,"lustre":11,"lustretype":56,"commentluster":11,"diapheny":57,"streak":58,"colour":59,"commentcolor":11,"colors":60,"streak_colors":62,"luminescence":11,"uv":11,"cleavage":11,"cleavagetype":11,"fracturetype":63,"tenacity":64,"commentbreak":11,"opticaltype":65,"opticalsign":66,"opticalalpha":67,"opticalalpha2":41,"opticalalphaerror":46,"opticalbeta":41,"opticalbeta2":41,"opticalbetaerror":11,"opticalgamma":68,"opticalgamma2":41,"opticalgammaerror":46,"opticalomega":41,"opticalomega2":41,"opticalomegaerror":11,"opticalepsilon":41,"opticalepsilon2":41,"opticalepsilonerror":11,"opticaln":41,"opticaln2":41,"opticalnerror":11,"optical2vcalc":41,"optical2vcalc2":41,"optical2vcalcerror":11,"optical2vmeasured":34,"optical2vmeasured2":41,"optical2vmeasurederror":55,"rimin":69,"rimax":70,"opticaldispersion":71,"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":72,"other":11,"industrial":11,"occurrence":11,"otheroccurrence":11,"type_specimen_store":73,"description_short":74,"aboutname":75,"rock_parent":11,"rock_parent2":11,"rock_root":9,"rock_bgs_code":11,"meteoritical_code":11,"updttime":76,"reviewed_at":11,"variety_of":11,"varieties":77,"group_members":78,"associates":138,"confused_with":175,"type_localities":176,"occurrence_total":45,"citations":183,"images":221,"structures":304,"synonyms":327,"language_names":330,"wikidata_qid":355,"texts":356},4034,"1:1:4034:7","77c00846-687a-4f60-82c5-f8f814036161","Tsaregorodtsevite","Tsa",0,"mineral",null,29220,331,false,"(N(CH\u003Csub>3\u003C\u002Fsub>)\u003Csub>4\u003C\u002Fsub>)(AlSi\u003Csub>5\u003C\u002Fsub>O\u003Csub>12\u003C\u002Fsub>)","N(CH\u003Csub>3\u003C\u002Fsub>)\u003Csub>4\u003C\u002Fsub>Si\u003Csub>4\u003C\u002Fsub>(SiAl)O\u003Csub>12\u003C\u002Fsub>",[18,19,20,21,22,23],"Al","Si","N","O","C","H",[18,19,20,21,22,23],[20],[27],"APPROVED",1993,"1993","9","F","B","10","76","2","3","8","Orthorhombic",7,42,"0","8.984","8.937","8.927",3,2,"Commonly sector twinned, as seen in thin section.","Pseudocubic crystals, to 1 cm",6,"796","893",120,"2.04","2.01",5,"Vitreous","Transparent","white","Colourless to white",[61,58],"colorless",[58],"Conchoidal","brittle","Biaxial","-","1.529","1.531",1.529,1.531,"none","Evolves ammonia and eurotropine above 600°C, becoming pitch-black.\r\n","Mining Institute, St. Petersburg, 2054\u002F1; Il'menskii Preserve Museum, Miass, 3303, 3374, 5121; Vernadsky Geological Museum, Moscow, 59719, 59859; A.E. Fersman Mineralogical Museum, Academy of Sciences, Moscow, Russia, 87949; National Museum, Sofint5a, Bulgaria; National Museum, Prague, Czech Republic.","Sodalite Group. The mineral contains (as the only one known) the tetramethylammonium ion, [N(CH3)4]+.","Named after Sergei Vasil'evich Tsaregorodtsev (Сергей Васильевич Царегородцев) (1953-1986), Russian mineral collector of the Urals.","2025-08-11 12:14:24",[],[79,87,94,102,110,116,124,130],{"id":80,"name":81,"entrytype":9,"csystem":82,"ima_formula":83,"mindat_formula":84,"hmin":55,"hmax":55,"dmeas":85,"dcalc":86,"primary_image_id":11},55759,"Bolotinaite","Isometric","(Na\u003Csub>7\u003C\u002Fsub>◻)(Al\u003Csub>6\u003C\u002Fsub>Si\u003Csub>6\u003C\u002Fsub>O\u003Csub>24\u003C\u002Fsub>)F · 4H\u003Csub>2\u003C\u002Fsub>O","(Na\u003Csub>7\u003C\u002Fsub>◻)(Al\u003Csub>6\u003C\u002Fsub>Si\u003Csub>6\u003C\u002Fsub>O\u003Csub>24\u003C\u002Fsub>)F·4H\u003Csub>2\u003C\u002Fsub>O","2.27","2.291",{"id":88,"name":89,"entrytype":9,"csystem":82,"ima_formula":90,"mindat_formula":90,"hmin":91,"hmax":49,"dmeas":92,"dcalc":41,"primary_image_id":93},1833,"Haüyne","Na\u003Csub>3\u003C\u002Fsub>Ca(Si\u003Csub>3\u003C\u002Fsub>Al\u003Csub>3\u003C\u002Fsub>)O\u003Csub>12\u003C\u002Fsub>(SO\u003Csub>4\u003C\u002Fsub>)",5.5,"2.44",10942,{"id":95,"name":96,"entrytype":9,"csystem":82,"ima_formula":97,"mindat_formula":98,"hmin":55,"hmax":91,"dmeas":99,"dcalc":100,"primary_image_id":101},2357,"Lazurite","Na\u003Csub>7\u003C\u002Fsub>Ca(Al\u003Csub>6\u003C\u002Fsub>Si\u003Csub>6\u003C\u002Fsub>O\u003Csub>24\u003C\u002Fsub>)(SO\u003Csub>4\u003C\u002Fsub>)(S\u003Csub>3\u003C\u002Fsub>)\u003Csup>1-\u003C\u002Fsup> · H\u003Csub>2\u003C\u002Fsub>O","Na\u003Csub>7\u003C\u002Fsub>Ca(Al\u003Csub>6\u003C\u002Fsub>Si\u003Csub>6\u003C\u002Fsub>O\u003Csub>24\u003C\u002Fsub>)(SO\u003Csub>4\u003C\u002Fsub>)(S\u003Csub>3\u003C\u002Fsub>)·H\u003Csub>2\u003C\u002Fsub>O","2.38","2.4",14175,{"id":103,"name":104,"entrytype":9,"csystem":82,"ima_formula":105,"mindat_formula":106,"hmin":91,"hmax":91,"dmeas":107,"dcalc":108,"primary_image_id":109},2936,"Nosean","Na\u003Csub>8\u003C\u002Fsub>(Si\u003Csub>6\u003C\u002Fsub>Al\u003Csub>6\u003C\u002Fsub>)O\u003Csub>24\u003C\u002Fsub>(SO\u003Csub>4\u003C\u002Fsub>) · H\u003Csub>2\u003C\u002Fsub>O","Na\u003Csub>8\u003C\u002Fsub>(Al\u003Csub>6\u003C\u002Fsub>Si\u003Csub>6\u003C\u002Fsub>O\u003Csub>24\u003C\u002Fsub>)(SO\u003Csub>4\u003C\u002Fsub>)·H\u003Csub>2\u003C\u002Fsub>O","2.3","2.21",17893,{"id":111,"name":112,"entrytype":9,"csystem":82,"ima_formula":113,"mindat_formula":113,"hmin":91,"hmax":91,"dmeas":114,"dcalc":115,"primary_image_id":11},55543,"Sapozhnikovite","Na\u003Csub>8\u003C\u002Fsub>(Al\u003Csub>6\u003C\u002Fsub>Si\u003Csub>6\u003C\u002Fsub>O\u003Csub>24\u003C\u002Fsub>)(HS)\u003Csub>2\u003C\u002Fsub>","2.25","2.255",{"id":117,"name":118,"entrytype":9,"csystem":119,"ima_formula":120,"mindat_formula":121,"hmin":91,"hmax":91,"dmeas":122,"dcalc":123,"primary_image_id":11},55752,"Slyudyankaite","Triclinic","Na\u003Csub>28\u003C\u002Fsub>Ca\u003Csub>4\u003C\u002Fsub>(Si\u003Csub>24\u003C\u002Fsub>Al\u003Csub>24\u003C\u002Fsub>O\u003Csub>96\u003C\u002Fsub>)(SO\u003Csub>4\u003C\u002Fsub>)\u003Csub>6\u003C\u002Fsub>(S\u003Csub>6\u003C\u002Fsub>)\u003Csub>1\u002F3\u003C\u002Fsub>(CO\u003Csub>2\u003C\u002Fsub>) · 2H\u003Csub>2\u003C\u002Fsub>O","Na\u003Csub>28\u003C\u002Fsub>Ca\u003Csub>4\u003C\u002Fsub>(Si\u003Csub>24\u003C\u002Fsub>Al\u003Csub>24\u003C\u002Fsub>O\u003Csub>96\u003C\u002Fsub>)(SO\u003Csub>4\u003C\u002Fsub>)\u003Csub>6\u003C\u002Fsub>(S\u003Csub>6\u003C\u002Fsub>)\u003Csub>1\u002F3\u003C\u002Fsub>(CO\u003Csub>2\u003C\u002Fsub>)·2H\u003Csub>2\u003C\u002Fsub>O","2.46","2.454",{"id":125,"name":126,"entrytype":9,"csystem":82,"ima_formula":127,"mindat_formula":127,"hmin":91,"hmax":49,"dmeas":85,"dcalc":128,"primary_image_id":129},3701,"Sodalite","Na\u003Csub>4\u003C\u002Fsub>(Si\u003Csub>3\u003C\u002Fsub>Al\u003Csub>3\u003C\u002Fsub>)O\u003Csub>12\u003C\u002Fsub>Cl","2.31",22539,{"id":131,"name":132,"entrytype":9,"csystem":38,"ima_formula":133,"mindat_formula":134,"hmin":55,"hmax":91,"dmeas":135,"dcalc":136,"primary_image_id":137},41155,"Vladimirivanovite","Na\u003Csub>6\u003C\u002Fsub>Ca\u003Csub>2\u003C\u002Fsub>[Al\u003Csub>6\u003C\u002Fsub>Si\u003Csub>6\u003C\u002Fsub>O\u003Csub>24\u003C\u002Fsub>](SO\u003Csub>4\u003C\u002Fsub>,S\u003Csub>3\u003C\u002Fsub>,S\u003Csub>2\u003C\u002Fsub>,Cl)\u003Csub>2\u003C\u002Fsub> · H\u003Csub>2\u003C\u002Fsub>O","Na\u003Csub>6\u003C\u002Fsub>Ca\u003Csub>2\u003C\u002Fsub>(Al\u003Csub>6\u003C\u002Fsub>Si\u003Csub>6\u003C\u002Fsub>O\u003Csub>24\u003C\u002Fsub>)(SO\u003Csub>4\u003C\u002Fsub>,S\u003Csub>3\u003C\u002Fsub>,S\u003Csub>2\u003C\u002Fsub>,Cl)\u003Csub>2\u003C\u002Fsub>·H\u003Csub>2\u003C\u002Fsub>O","2.48","2.436",27543,[139,147,155,161,169],{"id":140,"name":141,"entrytype":9,"csystem":119,"ima_formula":142,"mindat_formula":142,"hmin":49,"hmax":143,"dmeas":144,"dcalc":145,"primary_image_id":146},96,"Albite","Na(AlSi\u003Csub>3\u003C\u002Fsub>O\u003Csub>8\u003C\u002Fsub>)",6.5,"2.6","2.615",549,{"id":148,"name":149,"entrytype":9,"csystem":150,"ima_formula":151,"mindat_formula":151,"hmin":91,"hmax":49,"dmeas":152,"dcalc":153,"primary_image_id":154},213,"Anatase","Tetragonal","TiO\u003Csub>2\u003C\u002Fsub>","3.79","3.89",1314,{"id":156,"name":157,"entrytype":9,"csystem":38,"ima_formula":151,"mindat_formula":151,"hmin":91,"hmax":49,"dmeas":158,"dcalc":159,"primary_image_id":160},787,"Brookite","4.08","4.133",4019,{"id":162,"name":163,"entrytype":9,"csystem":164,"ima_formula":165,"mindat_formula":165,"hmin":39,"hmax":39,"dmeas":166,"dcalc":167,"primary_image_id":168},3337,"Quartz","Trigonal","SiO\u003Csub>2\u003C\u002Fsub>","2.65","2.66",30579,{"id":170,"name":171,"entrytype":9,"csystem":150,"ima_formula":151,"mindat_formula":151,"hmin":49,"hmax":143,"dmeas":172,"dcalc":173,"primary_image_id":174},3486,"Rutile","4.23","4.25",30644,[],[177],{"id":178,"txt":179,"latitude":180,"longitude":181,"country":182},16112,"Yaruta Mt, Man'-Khambo Mountains, Khanty-Mansi Autonomous Okrug, Russia",63.2747648,59.3120098,"Russia",[184,188,193,197,200,203,206,210,214,217],{"id":185,"year":186,"html":187,"doi":11},16099476,1979,"Leoni, L., Mellini, M., Merlino, S., Orlandi, P. (1979) Cancrinite-like minerals: new data and crystal chemical considerations. Rendiconti della Società Italiana di Mineralogia e Petrologia: 35: 713-719.",{"id":189,"year":190,"html":191,"doi":192},190803,1984,"Hassan, I., Grundy, H. D. (1984) The crystal structures of sodalite-group minerals. \u003Ci>Acta Crystallographica Section B Structural Science\u003C\u002Fi>,  40 (1) 6-13 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1107\u002Fs0108768184001683'>doi:10.1107\u002Fs0108768184001683\u003C\u002Fa>","10.1107\u002Fs0108768184001683",{"id":194,"year":195,"html":196,"doi":11},16126385,1991,"Sokolova, E.V., Rybakov, V.B., Pautov, L.A. (1991) The crystal structure of a new natural tetramethylammonium aluminosilicate [N(CH3)4][Si2(Si0.5Al0.5)O6]2. Soviet Physics - Doklady: 36: 267-269.",{"id":198,"year":28,"html":199,"doi":11},16126387,"Sokolova, E.V., Rybakov, V.B., Pautov, L.A., Pushcharovskii, D.Y. (1993) Structural changes in tsaregorodtsevite. Doklady Akademii Nauk SSSR: 332: 309-312.",{"id":201,"year":28,"html":202,"doi":11},16126388,"Sokolova, E.V., Rybakov, V.B., Pautov, L.A., Pushcharovskii, D.Y. (1993) Structural changes in tsaregorodtsevite. Physics–Doklady: 38: 400-402.",{"id":204,"year":28,"html":205,"doi":11},16722214,"Pautov, L. A., Karpenko, V. Y., Sokolova, E. V., Ignatenko, K. I. (1993) Tsaregorodtsevite N(CH\u003Csub>3\u003C\u002Fsub>)\u003Csub>4\u003C\u002Fsub>[Si\u003Csub>2\u003C\u002Fsub>(Si\u003Csub>0.5\u003C\u002Fsub>Al\u003Csub>0.5\u003C\u002Fsub>)O\u003Csub>6\u003C\u002Fsub>]\u003Csub>2\u003C\u002Fsub> — a new mineral. \u003Ci>Zapiski Vserossijskogo Mineralogicheskogo Obshchestva\u003C\u002Fi>,  122 (1) 128-135 \u003Ca target='_blank' href='https:\u002F\u002Frruff.info\u002Frruff_1.0\u002Fuploads\u002FZVMO122N1_128.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":207,"year":208,"html":209,"doi":11},529713,1994,"Jambor, John L., Roberts, Andrew C., Vanko, David A. (1994) New Mineral Names. \u003Ci>American Mineralogist\u003C\u002Fi>,  79 (9-10) 1009-1014 \u003Ca target='_blank' href='http:\u002F\u002Fwww.minsocam.org\u002Fammin\u002FAM79\u002FAM79_1009.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":211,"year":212,"html":213,"doi":11},16121617,1997,"Mandarino, Joseph A. (1997) \u003Ci>New Minerals 1990-1994\u003C\u002Fi>. The Mineralogical Record Inc., Tuscon, Arizona. 220pp.",{"id":215,"year":212,"html":216,"doi":11},16126389,"Sherriff, B.L., Sokolova, E.V., Cramer, J., Kunath-Fandrei, G., Jäger, C., Pautov, L.A. (1997) Changes in the crystal structure of tsaregorodtsevite [N(CH3)4][Si2(Si0.5Al0.5)O6]2 on heating. American Mineralogist: 82: 405-415.",{"id":218,"year":219,"html":220,"doi":11},16967808,2001,"(2001) Tsaregorodtsevite. \u003Ci>Handbook of Mineralogy\u003C\u002Fi>. Mineralogical Society of America \u003Ca target='_blank' href='https:\u002F\u002Fwww.handbookofmineralogy.org\u002Fpdfs\u002Ftsaregorodtsevite.pdf' class='refpdflink'>\u003C\u002Fa>",[222,232,240,247,254,260,266,273,281,287,293,299],{"id":223,"source_url":224,"license_code":225,"credit_html":226,"title":227,"description":228,"author":229,"original_width":230,"original_height":231},24628,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10138399","CC BY-SA 3.0","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10138399\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Tsaregorodtsevite-112552.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FTsaregorodtsevite\" class=\"extiw\" title=\"en:Tsaregorodtsevite\">Tsaregorodtsevite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Yaruta Mt, Man'-Khambo Mts, Khanty-Mansi (Khanty Mansiysk) Okrug, Polar Urals, Western-Siberian Region, Russia (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-16112.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Tsaregorodtsevite is a VERY STRANGE mineral that is made up of AMMONIA with nitrogen, and an aluminosilicate compound. I recall when Fersman Museum started selling their extras in 1991, this was one of the most coveted of all rare species that came out the doors from their various expeditions. I got some directly at the time from curator Dmitriy Belakovskiy, who has himself been to this remote location on at least one expedition. I assume this specimen came form teh same source, the only source so far as I know. I have owned several over the years, and I can say this is a very good and rich specimen. It has crystals to 4mm. 6 x 3.7 x 1.8 cm\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>","Robert M. Lavinsky",600,445,{"id":233,"source_url":234,"license_code":225,"credit_html":235,"title":236,"description":237,"author":229,"original_width":238,"original_height":239},24629,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10144005","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10144005\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Tsaregorodtsevite-139594.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FTsaregorodtsevite\" class=\"extiw\" title=\"en:Tsaregorodtsevite\">Tsaregorodtsevite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Yaruta Mt, Man'-Khambo Mts, Khanty-Mansi (Khanty Mansiysk) Okrug, Polar Urals, Western-Siberian Region, Russia (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-16112.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 5.3 x 4.6 x 4.3 cm.\u003C\u002Fdd>\n\u003Cdd>Tsaregorodtsevite is a very rare and very strange aluminosilicate mineral that contains the tetramethylammonium ion. This sodalite group mineral is found at ONE locality, worldwide. I recall when the Fersman Museum started selling their extras in 1991, this was one of the most coveted of all rare species that came out the doors from their various expeditions. I got some directly at the time from curator Dmitriy Belakovskiy, who has himself been to this remote location on at least one expedition. I assume this specimen came form the same source, the only source so far as I know. I have owned several over the years, and I can say this is a SUPER and RICH specimen. It has lustrous and gemmy, pseudocubic crystals to 5mm on chlorite mica schist.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",470,550,{"id":241,"source_url":242,"license_code":225,"credit_html":243,"title":244,"description":245,"author":229,"original_width":246,"original_height":231},24630,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10144007","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10144007\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Tsaregorodtsevite-139595.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FTsaregorodtsevite\" class=\"extiw\" title=\"en:Tsaregorodtsevite\">Tsaregorodtsevite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Yaruta Mt, Man'-Khambo Mts, Khanty-Mansi (Khanty Mansiysk) Okrug, Polar Urals, Western-Siberian Region, Russia (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-16112.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 5.3 x 4.6 x 4.3 cm.\u003C\u002Fdd>\n\u003Cdd>Tsaregorodtsevite is an ULTRA-RARE and VERY STRANGE mineral that is made up of AMMONIA with nitrogen, and an aluminosilicate compound. This UNIQUE, soldalite group mineral is found at ONE locality, worldwide. I recall when the Fersman Museum started selling their extras in 1991, this was one of the most coveted of all rare species that came out the doors from their various expeditions. I got some directly at the time from curator Dmitriy Belakovskiy, who has himself been to this remote location on at least one expedition. I assume this specimen came form the same source, the only source so far as I know. I have owned several over the years, and I can say this is a SUPER and RICH specimen. It has lustrous and gemmy, pseudocubic crystals to 5mm on chlorite mica schist.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",500,{"id":248,"source_url":249,"license_code":225,"credit_html":250,"title":251,"description":252,"author":229,"original_width":239,"original_height":253},24631,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10145639","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10145639\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Tsaregorodtsevite-148322.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FTsaregorodtsevite\" class=\"extiw\" title=\"en:Tsaregorodtsevite\">Tsaregorodtsevite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Yaruta Mt, Man'-Khambo Mts, Khanty-Mansi (Khanty Mansiysk) Okrug, Polar Urals, Western-Siberian Region, Russia (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-16112.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 7.1 x 2.6 x 2.2 cm.\u003C\u002Fdd>\n\u003Cdd>Tsaregorodtsevite is a VERY STRANGE and UNIQUE mineral that is made up of AMMONIA with nitrogen, and an aluminosilicate compound. I recall when Fersman Museum started selling their extras in 1991, this was one of the most coveted of all rare species that came out the doors from their various expeditions. I got some directly at the time from curator Dmitriy Belakovskiy, who has himself been to this remote location on at least one expedition. I got this from him a few years ago because he remembered I liked them, and have forgotten to sell it ever since unfortunately. I have owned several over the years, and I can say this is a very good and different specimen because it actually has some display aesthetics that most lack. Two pseudocubic crystals, to 4 mm, are set on the side of a glassy, water-clear quartz crystal, which is heavily included with chlorite. There are also a couple of tiny anatase crystals, on the same side, below the tsaregorodtsevites. The quartz termination is lightly bruised, but is certainly not a detraction to this RARE combo piece. Found in ONE locality, worldwide.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",448,{"id":255,"source_url":256,"license_code":225,"credit_html":257,"title":258,"description":252,"author":229,"original_width":246,"original_height":259},24632,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10145640","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10145640\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Tsaregorodtsevite-148323.jpg",369,{"id":261,"source_url":262,"license_code":225,"credit_html":263,"title":264,"description":265,"author":229,"original_width":230,"original_height":231},24633,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10453248","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10453248\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Tsaregorodtsevite-mrz130a.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FTsaregorodtsevite\" class=\"extiw\" title=\"en:Tsaregorodtsevite\">Tsaregorodtsevite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Yaruta Mt, Man'-Khambo Mts, Khanty-Mansi (Khanty Mansiysk) Okrug, Polar Urals, Western-Siberian Region, Russia (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-16112.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: miniature, 6 x 3.7 x 1.8 cm\n\u003Cdl>\u003Cdt>Tsaregorodtsevite\u003C\u002Fdt>\u003C\u002Fdl>\u003C\u002Fdd>\n\u003Cdd>Tsaregorodtsevite is a VERY STRANGE mineral that is made up of AMMONIA with nitrogen, and an aluminosilicate compound. I recall when Fersman Museum started selling their extras in 1991, this was one of the most coveted of all rare species that came out the doors from their various expeditions. I got some directly at the time from curator Dmitriy Belakovskiy, who has himself been to this remote location on at least one expedition. I assume this specimen came form teh same source, the only source so far as I know. I have owned several over the years, and I can say this is a very good and rich specimen. It has crystals to 4mm.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",{"id":267,"source_url":268,"license_code":225,"credit_html":269,"title":270,"description":265,"author":229,"original_width":271,"original_height":272},24634,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10453250","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10453250\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Tsaregorodtsevite-mrz130b.jpg",400,346,{"id":274,"source_url":275,"license_code":225,"credit_html":276,"title":277,"description":278,"author":229,"original_width":279,"original_height":280},83777,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10151503","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10151503\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Tsaregorodtsevite-Quartz-177435.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FTsaregorodtsevite\" class=\"extiw\" title=\"en:Tsaregorodtsevite\">Tsaregorodtsevite\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: Yaruta Mt, Man'-Khambo Mts, Khanty-Mansi (Khanty Mansiysk) Okrug, Polar Urals, Western-Siberian Region, Russia (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-16112.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 7.7 x 5.5 x 3.8 cm.\u003C\u002Fdd>\n\u003Cdd>At 7.5 mm, the larger crystal here is at the maximal size for the species. Tsaregorodtsevite is a strange aluminosilicate mineral that also contains the tetramethylammonium ion. Ex. Fersman Museum Collection.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",800,794,{"id":282,"source_url":283,"license_code":225,"credit_html":284,"title":285,"description":278,"author":229,"original_width":286,"original_height":271},83778,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10151504","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10151504\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Tsaregorodtsevite-Quartz-177437.jpg",379,{"id":288,"source_url":289,"license_code":225,"credit_html":290,"title":291,"description":292,"author":229,"original_width":286,"original_height":271},24635,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10457860","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10457860\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Quartz-Tsaregorodtsevite-rare08-2-06b.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FQuartz\" class=\"extiw\" title=\"en:Quartz\">Quartz\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FTsaregorodtsevite\" class=\"extiw\" title=\"en:Tsaregorodtsevite\">Tsaregorodtsevite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Yaruta Mt, Man'-Khambo Mts, Khanty-Mansi (Khanty Mansiysk) Okrug, Polar Urals, Western-Siberian Region, Russia (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-16112.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: small cabinet, 7.7 x 5.5 x 3.8 cm\n\u003Cdl>\u003Cdt>Tsaregorodtsevite on Quartz\u003C\u002Fdt>\u003C\u002Fdl>\u003C\u002Fdd>\n\u003Cdd>At 7.5 mm, the larger crystal here is at the maximal size for the species. Tsaregorodtsevite is a VERY STRANGE mineral that is made up of AMMONIA with nitrogen, and an aluminosilicate compound. I recall when Fersman Museum started selling their extras in 1991, this was one of the most coveted of all rare species that came out the doors from their various expeditions. I got some directly at the time from curator Dmitriy Belakovskiy, who has himself been to this remote location on at least one expedition. I assume this specimen came form the same source, the only source so far as I know. In fact, I bought this piece from him at Tucson 2008, surprised to see another turn up after so long. The perch on a quartz cluster makes the display here particularly good - usually these are on flat gray rocks. (TYPE and ONLY LOCALITY)\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",{"id":294,"source_url":295,"license_code":225,"credit_html":296,"title":297,"description":292,"author":229,"original_width":271,"original_height":298},83779,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10457858","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10457858\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Quartz-Tsaregorodtsevite-rare08-2-06a.jpg",354,{"id":300,"source_url":301,"license_code":225,"credit_html":302,"title":303,"description":292,"author":229,"original_width":279,"original_height":280},83780,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10457861","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10457861\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Quartz-Tsaregorodtsevite-rare08-2-06c.jpg",[305,311,317,323],{"id":306,"url":307,"label":308,"formula":309,"spacegroup":310,"year":28},13884,"\u002Fcif\u002F13884.cif","Sokolova 1993 · N C4 Si5 Al O12","N C4 Si5 Al O12","I 2 2 2",{"id":312,"url":313,"label":314,"formula":315,"spacegroup":316,"year":28},13885,"\u002Fcif\u002F13885.cif","Sokolova 1993 · N C8 Si5 Al O12","N C8 Si5 Al O12","I 4 2 2",{"id":318,"url":319,"label":320,"formula":321,"spacegroup":322,"year":28},13886,"\u002Fcif\u002F13886.cif","Sokolova 1993 · N C8 (Si5 Al) O12","N C8 (Si5 Al) O12","I 4 3 2",{"id":324,"url":325,"label":326,"formula":309,"spacegroup":310,"year":195},13887,"\u002Fcif\u002F13887.cif","Sokolova 1991",[328,329],"IMA1991-042","Tsaregorodtseviet",[331,335,340,344,348,351],{"lang":332,"names":333},"ca",[334],"tsaregorodtsevita",{"lang":336,"names":337},"de",[338,339],"IMA 1991-042","Tsaregorodtsevit",{"lang":341,"names":342},"eu",[343],"Tsaregorodtsevita",{"lang":345,"names":346},"fr",[347],"tsarégorodtsévite",{"lang":349,"names":350},"it",[7],{"lang":352,"names":353},"zh",[354],"铝硅氮氨石","Q3541475",{"history":11,"applications":11}]