[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"minerals:one:4015":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":19,"key_elements":11,"impurities":11,"cim":20,"ima_status":21,"ima_notes":11,"ima_history":11,"approval_year":11,"publication_year":24,"discovery_year":11,"strunz10ed1":25,"strunz10ed2":26,"strunz10ed3":27,"strunz10ed4":28,"dana8ed1":29,"dana8ed2":30,"dana8ed3":31,"dana8ed4":30,"csystem":32,"cclass":33,"spacegroup":11,"spacegroupset":34,"a":35,"b":36,"c":37,"alpha":38,"beta":38,"gamma":38,"aerror":39,"berror":40,"cerror":41,"alphaerror":11,"betaerror":11,"gammaerror":11,"va3":11,"z":42,"csmetamict":14,"commentcrystal":43,"twinning":44,"tranglide":11,"parting":11,"epitaxidescription":11,"morphology":45,"tlform":11,"hmin":46,"hmax":47,"hardtype":11,"vhnmin":34,"vhnmax":34,"vhnerror":11,"vhng":11,"vhns":11,"commenthard":11,"dmeas":48,"dmeas2":49,"dcalc":49,"dmeaserror":11,"dcalcerror":11,"commentdense":11,"lustre":50,"lustretype":50,"commentluster":51,"diapheny":52,"streak":53,"colour":54,"commentcolor":11,"colors":55,"streak_colors":60,"luminescence":61,"uv":11,"cleavage":62,"cleavagetype":63,"fracturetype":64,"tenacity":65,"commentbreak":11,"opticaltype":66,"opticalsign":67,"opticalalpha":68,"opticalalpha2":69,"opticalalphaerror":11,"opticalbeta":70,"opticalbeta2":71,"opticalbetaerror":11,"opticalgamma":72,"opticalgamma2":73,"opticalgammaerror":11,"opticalomega":34,"opticalomega2":34,"opticalomegaerror":11,"opticalepsilon":34,"opticalepsilon2":34,"opticalepsilonerror":11,"opticaln":34,"opticaln2":34,"opticalnerror":11,"optical2vcalc":74,"optical2vcalc2":75,"optical2vcalcerror":11,"optical2vmeasured":76,"optical2vmeasured2":77,"optical2vmeasurederror":11,"rimin":78,"rimax":79,"opticaldispersion":80,"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":81,"other":11,"industrial":11,"occurrence":11,"otheroccurrence":82,"type_specimen_store":11,"description_short":83,"aboutname":84,"rock_parent":11,"rock_parent2":11,"rock_root":9,"rock_bgs_code":11,"meteoritical_code":11,"updttime":85,"reviewed_at":11,"variety_of":11,"varieties":86,"group_members":87,"associates":169,"confused_with":195,"type_localities":205,"occurrence_total":210,"citations":211,"images":300,"structures":385,"synonyms":413,"language_names":425,"wikidata_qid":541,"texts":542},4015,"1:1:4015:6","a6690284-91bd-4ecf-a045-8f91efc49d49","Tridymite","Trd",0,"mineral",null,10916,6710,false,"SiO\u003Csub>2\u003C\u002Fsub>",[17,18],"Si","O",[17,18],"7.8.3",[22,23],"APPROVED","GRANDFATHERED",1868,"4","D","A","10","75","1","2","Triclinic",1,"0","9.932","17.216","81.854","90",5,6,9,320,"Orthorhombic, pseudohexagonal; triclinic below 100°C","Trilling, multiple contact twins or simple twins on \u003Cmi>{10_16} and contact or penetration twins on {30_34}\u003C\u002Fmi>","Pseudohexagonal plates, wedge-shaped, tabular.",6.5,7,"2.25","2.28","Vitreous","May be pearly on {0001}","Transparent,Translucent","White","Colourless, white, yellowish white, or grey",[56,57,58,59],"colorless","white","yellow","gray",[57],"Non-fluorescent","[0001] Indistinct, [1010] Imperfect","Poor\u002FIndistinct","Conchoidal","brittle","Biaxial","+","1.468","1.482","1.47","1.484","1.474","1.486","50","72","40","86",1.468,1.486,"none","High tridymite or β-tridymite forms between 870 and 1470°C.","Vapor phase deposition in vesicles and lithophysae, phenocrysts in volcanic rocks, contact metamorphosed sandstones.","Tridymite is a low pressure, mostly high-temperature-stable polymorph of silica that can also form or persist metastably at low temperatures. The high-temperature form occurs most notably as vapour-deposited, platey crystals in vesicles in some volcani...","From the Greek \"Tridymos\", triplet, alluding to its common twinning as trillings.","2026-03-11 08:36:15",[],[88,96,104,111,116,124,131,137,143,147,151,158,163],{"id":89,"name":90,"entrytype":9,"csystem":91,"ima_formula":92,"mindat_formula":93,"hmin":46,"hmax":47,"dmeas":11,"dcalc":94,"primary_image_id":95},39335,"Chibaite","Isometric","SiO\u003Csub>2\u003C\u002Fsub> · n(CH\u003Csub>4\u003C\u002Fsub>,C\u003Csub>2\u003C\u002Fsub>H\u003Csub>6\u003C\u002Fsub>,C\u003Csub>3\u003C\u002Fsub>H\u003Csub>8\u003C\u002Fsub>,C\u003Csub>4\u003C\u002Fsub>H\u003Csub>10\u003C\u002Fsub>) (n\u003Csub>max\u003C\u002Fsub> = 3\u002F17)","SiO\u003Csub>2\u003C\u002Fsub>·n(CH\u003Csub>4\u003C\u002Fsub>, C\u003Csub>2\u003C\u002Fsub>H\u003Csub>6\u003C\u002Fsub>, C\u003Csub>3\u003C\u002Fsub>H\u003Csub>8\u003C\u002Fsub>, i-C\u003Csub>4\u003C\u002Fsub>H\u003Csub>10\u003C\u002Fsub>) (n = 3\u002F17 (max))","1.933",5390,{"id":97,"name":98,"entrytype":9,"csystem":99,"ima_formula":15,"mindat_formula":15,"hmin":100,"hmax":101,"dmeas":34,"dcalc":102,"primary_image_id":103},1104,"Coesite","Monoclinic",7.5,8,"2.92",6030,{"id":105,"name":106,"entrytype":9,"csystem":107,"ima_formula":15,"mindat_formula":15,"hmin":40,"hmax":47,"dmeas":108,"dcalc":109,"primary_image_id":110},1155,"Cristobalite","Tetragonal","2.32","2.33",6449,{"id":112,"name":113,"entrytype":9,"csystem":114,"ima_formula":15,"mindat_formula":15,"hmin":46,"hmax":46,"dmeas":34,"dcalc":34,"primary_image_id":115},2363,"Lechatelierite","Amorphous",14243,{"id":117,"name":118,"entrytype":9,"csystem":107,"ima_formula":119,"mindat_formula":120,"hmin":46,"hmax":47,"dmeas":121,"dcalc":122,"primary_image_id":123},2630,"Melanophlogite","C\u003Csub>2\u003C\u002Fsub>H\u003Csub>17\u003C\u002Fsub>O\u003Csub>5\u003C\u002Fsub> · Si\u003Csub>46\u003C\u002Fsub>O\u003Csub>92\u003C\u002Fsub>","46SiO\u003Csub>2\u003C\u002Fsub>·6(N\u003Csub>2\u003C\u002Fsub>,CO\u003Csub>2\u003C\u002Fsub>)·2(CH\u003Csub>4\u003C\u002Fsub>,N\u003Csub>2\u003C\u002Fsub>)","1.99","1.98",15779,{"id":125,"name":126,"entrytype":9,"csystem":99,"ima_formula":127,"mindat_formula":15,"hmin":40,"hmax":40,"dmeas":128,"dcalc":129,"primary_image_id":130},2739,"Mogánite","SiO\u003Csub>2\u003C\u002Fsub> · nH\u003Csub>2\u003C\u002Fsub>O","2.52","2.55",16422,{"id":132,"name":133,"entrytype":134,"csystem":11,"ima_formula":11,"mindat_formula":135,"hmin":11,"hmax":11,"dmeas":34,"dcalc":34,"primary_image_id":136},32187,"Opal-AG",2,"SiO\u003Csub>2\u003C\u002Fsub>·nH\u003Csub>2\u003C\u002Fsub>O",71563,{"id":138,"name":139,"entrytype":134,"csystem":11,"ima_formula":11,"mindat_formula":135,"hmin":140,"hmax":46,"dmeas":141,"dcalc":34,"primary_image_id":142},1959,"Opal-AN",5.5,"2.0",59857,{"id":144,"name":145,"entrytype":134,"csystem":11,"ima_formula":11,"mindat_formula":135,"hmin":11,"hmax":11,"dmeas":34,"dcalc":34,"primary_image_id":146},32186,"Opal-C",71596,{"id":148,"name":149,"entrytype":134,"csystem":11,"ima_formula":11,"mindat_formula":135,"hmin":11,"hmax":11,"dmeas":34,"dcalc":34,"primary_image_id":150},32185,"Opal-CT",71613,{"id":152,"name":153,"entrytype":9,"csystem":154,"ima_formula":15,"mindat_formula":15,"hmin":47,"hmax":47,"dmeas":155,"dcalc":156,"primary_image_id":157},3337,"Quartz","Trigonal","2.65","2.66",30579,{"id":159,"name":160,"entrytype":9,"csystem":161,"ima_formula":15,"mindat_formula":15,"hmin":11,"hmax":11,"dmeas":34,"dcalc":162,"primary_image_id":11},26715,"Seifertite","Orthorhombic","4.294",{"id":164,"name":165,"entrytype":9,"csystem":107,"ima_formula":15,"mindat_formula":15,"hmin":100,"hmax":101,"dmeas":166,"dcalc":167,"primary_image_id":168},3790,"Stishovite","4.35","4.29",22954,[170,171,180,188],{"id":105,"name":106,"entrytype":9,"csystem":107,"ima_formula":15,"mindat_formula":15,"hmin":40,"hmax":47,"dmeas":108,"dcalc":109,"primary_image_id":110},{"id":172,"name":173,"entrytype":9,"csystem":174,"ima_formula":175,"mindat_formula":176,"hmin":39,"hmax":40,"dmeas":177,"dcalc":178,"primary_image_id":179},3039,"Osumilite","Hexagonal","KFe\u003Csub>2\u003C\u002Fsub>(Al\u003Csub>5\u003C\u002Fsub>Si\u003Csub>10\u003C\u002Fsub>)O\u003Csub>30\u003C\u002Fsub>","K◻\u003Csub>2\u003C\u002Fsub>Fe\u003Csup>2+\u003C\u002Fsup>\u003Csub>2\u003C\u002Fsub>Al\u003Csub>3\u003C\u002Fsub>[Al\u003Csub>2\u003C\u002Fsub>Si\u003Csub>10\u003C\u002Fsub>O\u003Csub>30\u003C\u002Fsub>]","2.58","2.71",18298,{"id":181,"name":182,"entrytype":9,"csystem":161,"ima_formula":183,"mindat_formula":184,"hmin":40,"hmax":40,"dmeas":185,"dcalc":186,"primary_image_id":187},3302,"Pseudobrookite","(Fe\u003Csup>3+\u003C\u002Fsup>\u003Csub>2\u003C\u002Fsub>Ti)O\u003Csub>5\u003C\u002Fsub>","Fe\u003Csup>3+\u003C\u002Fsup>\u003Csub>2\u003C\u002Fsub>Ti\u003Csup>4+\u003C\u002Fsup>O\u003Csub>5\u003C\u002Fsub>","4.33","4.39",20077,{"id":189,"name":190,"entrytype":9,"csystem":99,"ima_formula":191,"mindat_formula":192,"hmin":33,"hmax":134,"dmeas":193,"dcalc":34,"primary_image_id":194},4201,"Volkonskoite","Ca\u003Csub>0.3\u003C\u002Fsub>(Cr,Mg)\u003Csub>2\u003C\u002Fsub>(Si,Al)\u003Csub>4\u003C\u002Fsub>O\u003Csub>10\u003C\u002Fsub>(OH)\u003Csub>2\u003C\u002Fsub> · 4H\u003Csub>2\u003C\u002Fsub>O","Ca\u003Csub>0.3\u003C\u002Fsub>(Cr,Mg,Fe)\u003Csub>2\u003C\u002Fsub>((Si,Al)\u003Csub>4\u003C\u002Fsub>O\u003Csub>10\u003C\u002Fsub>)(OH)\u003Csub>2\u003C\u002Fsub>·4H\u003Csub>2\u003C\u002Fsub>O","2.11",27597,[196,197,198,199,200,201,202],{"id":97,"name":98,"entrytype":9,"csystem":99,"ima_formula":15,"mindat_formula":15,"hmin":100,"hmax":101,"dmeas":34,"dcalc":102,"primary_image_id":103},{"id":105,"name":106,"entrytype":9,"csystem":107,"ima_formula":15,"mindat_formula":15,"hmin":40,"hmax":47,"dmeas":108,"dcalc":109,"primary_image_id":110},{"id":125,"name":126,"entrytype":9,"csystem":99,"ima_formula":127,"mindat_formula":15,"hmin":40,"hmax":40,"dmeas":128,"dcalc":129,"primary_image_id":130},{"id":152,"name":153,"entrytype":9,"csystem":154,"ima_formula":15,"mindat_formula":15,"hmin":47,"hmax":47,"dmeas":155,"dcalc":156,"primary_image_id":157},{"id":159,"name":160,"entrytype":9,"csystem":161,"ima_formula":15,"mindat_formula":15,"hmin":11,"hmax":11,"dmeas":34,"dcalc":162,"primary_image_id":11},{"id":164,"name":165,"entrytype":9,"csystem":107,"ima_formula":15,"mindat_formula":15,"hmin":100,"hmax":101,"dmeas":166,"dcalc":167,"primary_image_id":168},{"id":203,"name":204,"entrytype":9,"csystem":99,"ima_formula":11,"mindat_formula":15,"hmin":11,"hmax":11,"dmeas":11,"dcalc":11,"primary_image_id":11},472221,"Xiexiandeite",[206],{"id":207,"txt":208,"latitude":11,"longitude":11,"country":209},2338,"Cerro San Cristóbal, Pachuca Municipality, Hidalgo, Mexico","Mexico",466,[212,215,218,221,224,227,231,235,240,244,248,252,256,260,264,268,273,277,282,287,291,295],{"id":213,"year":11,"html":214,"doi":11},16126181,"Mitchell, R. S. & Tufts, S. 1973. Wood opal - a tridymite-like mineral. Amer. Min., 58, 717-20.",{"id":216,"year":11,"html":217,"doi":11},16126188,"Lakdawalla, Emily (December 18, 2015). \"Curiosity stories from AGU: The fortuitous find of a puzzling mineral on Mars, and a gap in Gale's history\". The Planetary Society. Retrieved December 21, 2015.",{"id":219,"year":24,"html":220,"doi":11},16126174,"vom Rath, G. (1868) Vorläufige Mitteilung über eine neue Kristallform der Kieselsäure (Tridymit). Annalen der Physik und Chemie: 209: 507.",{"id":222,"year":24,"html":223,"doi":11},16126175,"vom Rath, G. (1868) Über den Tridymit eine neue krystallisierte Modification der Kieselsäure. Annalen der Physik und Chemie: 211: 437.",{"id":225,"year":24,"html":226,"doi":11},16126176,"Poggend. (1868) Ann. Physical Chemistry: 133: 508.",{"id":228,"year":229,"html":230,"doi":11},16126177,1872,"vom Rath, G. (1872) Tridymit von Quito. Annalen der Physik und Chemie: 223: 279.",{"id":232,"year":233,"html":234,"doi":11},16126178,1942,"Lukesh, J., Buerger, M.J. (1942) The tridymite problem (abstract). American Mineralogist: 27: 143.",{"id":236,"year":237,"html":238,"doi":239},400981,1957,"Sabatier, Germain (1957) Chaleurs de transition des formes de basse température aux formes de haute température du quartz, de la tridymite et de la cristobalite. \u003Ci>Bulletin de Minéralogie\u003C\u002Fi>,  80 (10) 444-449 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.3406\u002Fbulmi.1957.5194'>doi:10.3406\u002Fbulmi.1957.5194\u003C\u002Fa>","10.3406\u002Fbulmi.1957.5194",{"id":241,"year":242,"html":243,"doi":11},16126179,1967,"Mitchell, R.S. (1967) Tridymite pseudomorphs after wood in Virginian Lower Cretaceous sediments. Science: 158: 905-906.",{"id":245,"year":246,"html":247,"doi":11},16196305,1970,"Friedlaender, C.G.I. (1970) Tridymite in the gangue of a Pb-Cu-Zn Occurrence. Schweizerische mineralogische und petrographische Mitteilungen: 50: 184-199.",{"id":249,"year":250,"html":251,"doi":11},16126180,1972,"Konnert, J.H., Karle, J. (1972) Tridymite-like structure in silica glass. Nature Physical Science: 236: 92-94.",{"id":253,"year":254,"html":255,"doi":11},15966567,1975,"Sanders, J. V. (1975). Microstructure and crystallinity of gem opals. American Mineralogist, 60, 749-757.",{"id":257,"year":258,"html":259,"doi":11},16126183,1984,"Wennemer, M., Thompson, A.B. (1984) Tridymite polymorphs and polytypes. Schweizerische mineralogische und petrographische Mitteilungen, 64: 335.",{"id":261,"year":262,"html":263,"doi":11},16126184,1986,"Kuniaki Kihara; Matsumoto T.; Imamura M. (1986). \"Structural change of orthorhombic-I tridymite with temperature: A study based on second-order thermal-vibrational parameters\". Zeitschrift für Kristallographie. 177: 27–38.",{"id":265,"year":266,"html":267,"doi":11},529663,1994,"Cellai, D., Carpenter, M. A., Wruck, B., Salje, E.k.h. (1994) Characterization of high-temperature phase transitions in single crystals of Steinbach tridymite. \u003Ci>American Mineralogist\u003C\u002Fi>,  79 (7-8) 606-614 \u003Ca target='_blank' href='http:\u002F\u002Fwww.minsocam.org\u002Fammin\u002FAM79\u002FAM79_606.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":269,"year":270,"html":271,"doi":272},13253764,1998,"(1998) Opal, cristobalite, and tridymite: Noncrystallinity versus crystallinity, nomenclature of the silica minerals and bibliography. \u003Ci>Powder Diffraction\u003C\u002Fi>, 13 (1) 2-19 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1017\u002Fs0885715600009696'>doi:10.1017\u002Fs0885715600009696\u003C\u002Fa>","10.1017\u002Fs0885715600009696",{"id":274,"year":275,"html":276,"doi":11},16967786,2001,"(2001) Tridymite. \u003Ci>Handbook of Mineralogy\u003C\u002Fi>. Mineralogical Society of America \u003Ca target='_blank' href='https:\u002F\u002Fwww.handbookofmineralogy.org\u002Fpdfs\u002Ftridymite.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":278,"year":279,"html":280,"doi":281},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":283,"year":284,"html":285,"doi":286},187572,2009,"Graetsch, Heribert A. (2009) Modulated crystal structure of incommensurate low tridymite. \u003Ci>Acta Crystallographica Section B Structural Science\u003C\u002Fi>,  65 (5) 543-550 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1107\u002Fs0108768109029127'>doi:10.1107\u002Fs0108768109029127\u003C\u002Fa>","10.1107\u002Fs0108768109029127",{"id":288,"year":289,"html":290,"doi":11},16106216,2013,"Pabst, W., Gregorová, E. (2013) Elastic properties of silica polymorphs - a review. Ceramics - Silikáty: 57: 167-184.",{"id":292,"year":293,"html":294,"doi":11},16126189,2018,"A. Takada, K. J. Glaser, R. G. Bell and C. R. A. Catlow (2018): Molecular dynamics study of tridymite. IUCrJ 5, 325-334.",{"id":296,"year":297,"html":298,"doi":299},17335337,2022,"Jovanovski, Gligor; Šijakova-Ivanova, Tena; Boev, Ivan; Boev, Blažo; Makreski, Petre (2022) Intriguing minerals: quartz and its polymorphic modifications. \u003Ci>ChemTexts\u003C\u002Fi>,  8 (3). 14 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1007\u002Fs40828-022-00165-2'>doi:10.1007\u002Fs40828-022-00165-2\u003C\u002Fa>","10.1007\u002Fs40828-022-00165-2",[301,311,318,323,329,338,344,352,361,366,376],{"id":302,"source_url":303,"license_code":304,"credit_html":305,"title":306,"description":307,"author":308,"original_width":309,"original_height":310},24496,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=6564508","CC BY-SA 3.0","Didier Descouens, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=6564508\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Tridymite.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FTridymite\" class=\"extiw\" title=\"en:Tridymite\">Tridymite\u003C\u002Fa> - San Pietro Montana (Padova) \u003Ca href=\"\u002F\u002Fcommons.wikimedia.org\u002Fwiki\u002FItalia\" title=\"Italia\">Italia\u003C\u002Fa> (XX 6mm)","Didier Descouens",1974,1365,{"id":312,"source_url":313,"license_code":314,"credit_html":315,"title":7,"description":11,"author":11,"original_width":316,"original_height":317},30871,"https:\u002F\u002Fgeocollections.info\u002Ffile\u002F91495","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\u002F91495\" rel=\"noopener\">The Estonian Museum of Natural History\u003C\u002Fa> via Europeana",1000,777,{"id":319,"source_url":320,"license_code":314,"credit_html":321,"title":7,"description":11,"author":11,"original_width":316,"original_height":322},30872,"https:\u002F\u002Fgeocollections.info\u002Ffile\u002F128879","Photo: Unknown author — http:\u002F\u002Fcreativecommons.org\u002Flicenses\u002Fby-sa\u002F4.0\u002F, courtesy of \u003Ca href=\"https:\u002F\u002Fgeocollections.info\u002Ffile\u002F128879\" rel=\"noopener\">University of Tartu, Natural History Museum\u003C\u002Fa> via Europeana",643,{"id":324,"source_url":325,"license_code":326,"credit_html":327,"title":7,"description":11,"author":11,"original_width":316,"original_height":328},30873,"https:\u002F\u002Fgeocollections.info\u002Ffile\u002F112807","CC BY 4.0","Photo: Unknown author — http:\u002F\u002Fcreativecommons.org\u002Flicenses\u002Fby\u002F4.0\u002F, courtesy of \u003Ca href=\"https:\u002F\u002Fgeocollections.info\u002Ffile\u002F112807\" rel=\"noopener\">Department of Geology, TalTech\u003C\u002Fa> via Europeana",666,{"id":330,"source_url":331,"license_code":304,"credit_html":332,"title":333,"description":334,"author":335,"original_width":336,"original_height":337},24499,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10084749","Fred Kruijen, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10084749\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Tridymite aggregate - Ochtendung, Eifel, Germany.jpg","A big \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FTridymite\" class=\"extiw\" title=\"en:Tridymite\">Tridymite\u003C\u002Fa> aggregate (1.1 mm high). The red crystal on the right side is a \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FRutile\" class=\"extiw\" title=\"en:Rutile\">rutile\u003C\u002Fa> - Locality: Wannenköpfe, Ochtendung, Eifel region, Germany","Fred Kruijen",900,675,{"id":339,"source_url":340,"license_code":304,"credit_html":341,"title":342,"description":343,"author":335,"original_width":336,"original_height":337},24500,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10084771","Fred Kruijen, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10084771\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Tridymite skeleton - Ochtendung, Eifel, Germany.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FTridymite\" class=\"extiw\" title=\"en:Tridymite\">Tridymite\u003C\u002Fa> skeleton - Locality: Wannenköpfe, Ochtendung, Eifel region, Germany",{"id":345,"source_url":346,"license_code":304,"credit_html":347,"title":348,"description":349,"author":335,"original_width":350,"original_height":351},24501,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10084890","Fred Kruijen, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10084890\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Tridymite tabulars - Ochtendung, Eifel, Germany.jpg","A common form of \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FTridymite\" class=\"extiw\" title=\"en:Tridymite\">Tridymite\u003C\u002Fa>, ultra thin colorless tabulars (image width: 1,1 mm) - Locality: Wannenköpfe, Ochtendung, Eifel region, Germany",657,528,{"id":353,"source_url":354,"license_code":314,"credit_html":355,"title":356,"description":357,"author":358,"original_width":359,"original_height":360},83518,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=82999022","Mai Seppel, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=82999022\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Estonian Museum of Natural History Specimen No 201914 photo (g27 g27-246 1 jpg).jpg","\"tridümiit\". More info \u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fgeocollections.info\u002Ffile\u002F91495\">about this file\u003C\u002Fa> and \u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fgeocollections.info\u002Fspecimen\u002F201914\">about this specimen\u003C\u002Fa> at \u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fgeocollections.info\u002F\">geocollections.info\u003C\u002Fa>","Mai Seppel",3720,2894,{"id":362,"source_url":363,"license_code":314,"credit_html":364,"title":173,"description":11,"author":11,"original_width":316,"original_height":365},30402,"https:\u002F\u002Fgeocollections.info\u002Ffile\u002F179171","Photo: Unknown author — http:\u002F\u002Fcreativecommons.org\u002Flicenses\u002Fby-sa\u002F4.0\u002F, courtesy of \u003Ca href=\"https:\u002F\u002Fgeocollections.info\u002Ffile\u002F179171\" rel=\"noopener\">University of Tartu, Natural History Museum\u003C\u002Fa> via Europeana",750,{"id":367,"source_url":368,"license_code":369,"credit_html":370,"title":371,"description":372,"author":373,"original_width":374,"original_height":375},16853,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10716208","Public domain","John Krygier, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10716208\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Mullite, Cordierite, Tridymite - Bohemia, Czech Republic.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FMullite\" class=\"extiw\" title=\"en:Mullite\">Mullite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FCordierite\" class=\"extiw\" title=\"en:Cordierite\">cordierite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FTridymite\" class=\"extiw\" title=\"en:Tridymite\">tridymite\u003C\u002Fa> (size: 2.5\" x 1.5\" x 1\")\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Česká Kamenice, Děčín (Tetschen), Ústí Region, Bohemia (Böhmen; Boehmen), Czech Republic\u003C\u002Fdd>\n\u003Cdd>\u003Ci>original description:\u003C\u002Fi> Specimen of \"porcelainite\" - a semivitrified chert- or jasper-like rock composed of cordierite, mullite and tridymite, admixture of corundum, and subordinate K-feldspar. The porcelain quality of this mineral is caused by contact with heated basalt or, in this case, a burning coal seam.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>\nPorcelainite was used for tools in prehistory, and is sometimes cut\u002Fpolished for jewelry.","John Krygier",1024,768,{"id":377,"source_url":378,"license_code":304,"credit_html":379,"title":380,"description":381,"author":382,"original_width":383,"original_height":384},83517,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=24604182","Lech Darski, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=24604182\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Trydymit & adamit - Mina Oujela, Mapimi, Durango, Meksyk..jpg","Trydymit & adamit - Mina Oujela, Mapimi, Durango, Meksyk.","Lech Darski",3472,2315,[386,393,399,404,409],{"id":387,"url":388,"label":389,"formula":390,"spacegroup":391,"year":392},13829,"\u002Fcif\u002F13829.cif","Lee 2019","Si O2","C 2 2 21",2019,{"id":394,"url":395,"label":396,"formula":390,"spacegroup":397,"year":398},13830,"\u002Fcif\u002F13830.cif","Hirose 2005 · Si O2 (1)","A 1 a 1",2005,{"id":400,"url":401,"label":402,"formula":390,"spacegroup":403,"year":398},13832,"\u002Fcif\u002F13832.cif","Hirose 2005 · Si O2 (2)","P 21 21 21",{"id":405,"url":406,"label":407,"formula":390,"spacegroup":408,"year":275},13833,"\u002Fcif\u002F13833.cif","Graetsch 2001 · Si O2 (1)","C 1 21 1",{"id":410,"url":411,"label":412,"formula":390,"spacegroup":403,"year":275},13834,"\u002Fcif\u002F13834.cif","Graetsch 2001 · Si O2 (2)",[414,415,416,417,418,419,420,421,422,423,424],"Alpha-Tridymite","Asmanit","Asmanita","Asmanite","Low tridymite","Tridymita","Tridymite-alpha","Tridymite-α","α-Tridymit","α-Tridymita","α-Tridymite",[426,430,434,438,442,446,449,454,458,464,467,471,475,479,483,490,495,499,503,506,510,513,518,521,525,528,532,535,538],{"lang":427,"names":428},"ar",[429],"تريديميت",{"lang":431,"names":432},"ca",[433],"tridimita",{"lang":435,"names":436},"de",[415,437],"Tridymit",{"lang":439,"names":440},"es",[416,441],"Tridimita",{"lang":443,"names":444},"et",[445],"tridümiit",{"lang":447,"names":448},"eu",[441],{"lang":450,"names":451},"fa",[452,453],"تریدیمیت","تریدیمیت هگزاگونال",{"lang":455,"names":456},"fi",[457],"Tridymiitti",{"lang":459,"names":460},"fr",[461,462,417,463,7],"15468-32-3","Alpha-tridymite","Christensenite",{"lang":465,"names":466},"gl",[441],{"lang":468,"names":469},"he",[470],"טרידימיט",{"lang":472,"names":473},"hu",[474],"Tridimit",{"lang":476,"names":477},"hy",[478],"Տրիդիմիտ",{"lang":480,"names":481},"it",[482],"Tridimite",{"lang":484,"names":485},"ja",[486,487,488,489],"トリディマイト","りん珪石","鱗珪石","鱗石英",{"lang":491,"names":492},"ko",[493,494],"인규석","트리디마이트",{"lang":496,"names":497},"nb",[498],"tridymitt",{"lang":500,"names":501},"nl",[502],"tridymiet",{"lang":504,"names":505},"nn",[498],{"lang":507,"names":508},"pl",[509],"Trydymit",{"lang":511,"names":512},"pt",[433,482],{"lang":514,"names":515},"ru",[516,517],"Асманит","Тридимит",{"lang":519,"names":520},"sk",[437],{"lang":522,"names":523},"sr",[524],"тридимит",{"lang":526,"names":527},"sv",[437],{"lang":529,"names":530},"uk",[531],"Тридиміт",{"lang":533,"names":534},"uz",[474],{"lang":536,"names":537},"vi",[437],{"lang":539,"names":540},"zh",[489],"Q410893",{"history":11,"applications":11}]