[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"minerals:one:1155":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":20,"cim":21,"ima_status":22,"ima_notes":11,"ima_history":11,"approval_year":11,"publication_year":25,"discovery_year":26,"strunz10ed1":27,"strunz10ed2":28,"strunz10ed3":29,"strunz10ed4":30,"dana8ed1":31,"dana8ed2":32,"dana8ed3":32,"dana8ed4":32,"csystem":33,"cclass":34,"spacegroup":35,"spacegroupset":36,"a":37,"b":36,"c":38,"alpha":36,"beta":36,"gamma":36,"aerror":39,"berror":11,"cerror":40,"alphaerror":11,"betaerror":11,"gammaerror":11,"va3":11,"z":41,"csmetamict":14,"commentcrystal":11,"twinning":42,"tranglide":11,"parting":11,"epitaxidescription":11,"morphology":43,"tlform":11,"hmin":44,"hmax":45,"hardtype":11,"vhnmin":36,"vhnmax":36,"vhnerror":11,"vhng":11,"vhns":11,"commenthard":11,"dmeas":46,"dmeas2":47,"dcalc":48,"dmeaserror":11,"dcalcerror":11,"commentdense":11,"lustre":49,"lustretype":50,"commentluster":11,"diapheny":51,"streak":52,"colour":53,"commentcolor":54,"colors":55,"streak_colors":62,"luminescence":63,"uv":64,"cleavage":65,"cleavagetype":11,"fracturetype":11,"tenacity":66,"commentbreak":11,"opticaltype":67,"opticalsign":68,"opticalalpha":36,"opticalalpha2":36,"opticalalphaerror":11,"opticalbeta":36,"opticalbeta2":36,"opticalbetaerror":11,"opticalgamma":36,"opticalgamma2":36,"opticalgammaerror":11,"opticalomega":69,"opticalomega2":36,"opticalomegaerror":11,"opticalepsilon":70,"opticalepsilon2":36,"opticalepsilonerror":11,"opticaln":36,"opticaln2":36,"opticalnerror":11,"optical2vcalc":36,"optical2vcalc2":36,"optical2vcalcerror":11,"optical2vmeasured":36,"optical2vmeasured2":36,"optical2vmeasurederror":11,"rimin":71,"rimax":72,"opticaldispersion":11,"opticalpleochroism":73,"opticalpleochorismdesc":11,"opticalbirefringence":74,"opticalcomments":11,"opticalcolour":11,"opticalinternal":11,"opticaltropic":11,"opticalanisotropism":11,"opticalbireflectance":11,"opticalextinction":75,"opticalr":11,"specdispm":11,"ir":11,"electrical":11,"magnetism":76,"thermalbehaviour":77,"other":11,"industrial":11,"occurrence":11,"otheroccurrence":78,"type_specimen_store":11,"description_short":79,"aboutname":80,"rock_parent":11,"rock_parent2":11,"rock_root":9,"rock_bgs_code":11,"meteoritical_code":11,"updttime":81,"reviewed_at":11,"variety_of":11,"varieties":82,"group_members":83,"associates":165,"confused_with":197,"type_localities":207,"occurrence_total":212,"citations":213,"images":365,"structures":526,"synonyms":553,"language_names":568,"wikidata_qid":677,"texts":678},1155,"1:1:1155:2","f1e1b4c0-e7f6-4e7e-8f41-0970aa18355f","Cristobalite","Crs",0,"mineral",null,10916,3706,false,"SiO\u003Csub>2\u003C\u002Fsub>",[17,18],"Si","O",[17,18],",Fe,Ca,Al,K,Na,Ti,Mn,Mg,P,,","7.8.5",[23,24],"APPROVED","GRANDFATHERED",1887,"1887","4","D","A","15","75","1","Tetragonal",26,167,"0","4.9709","6.9278",1,2,4,"On {111} (paramorphs of cubic β-Cristobalite twins)","Pseudo octahedral crystals, commonly dendritic, spherulites.",6,7,"2.32","2.36","2.33","Vitreous (Glassy)","Vitreous,Sub-Vitreous","Transparent,Translucent","White","Colorless, white, also blue grey, brown, grey, yellow","Often white due to numerous cracks",[56,57,58,59,60,61],"colorless","white","blue","gray","brown","yellow",[57],"Non-fluorescent","Fluoresces weak red in shortwave. Anomalous green fluorescence reported from a few localities.","None","brittle","Uniaxial","-","1.487","1.484",1.484,1.487,"Non-pleochroic","0.003","Parallel","Non-Magnetic","Inverts from high cristobalite at 268°C.","Individual crystals in vesicles and lithophysae. A common constituent of opal (opal-C and opal-CT) in sedimentary rocks and siliceous sinter.","Cristobalite is a silica polymorph that is thermodynamically stable only at temperatures above 1470°C, up to the melting point at 1705°C, at atmospheric pressures. It commonly metastably persists or even forms at much lower temperatures in silica-rich ...","Named after the type locality of Cerro San Cristobal, Mexico.","2026-03-14 11:16:04",[],[84,93,101,106,114,121,126,132,136,140,147,152,158],{"id":85,"name":86,"entrytype":9,"csystem":87,"ima_formula":88,"mindat_formula":89,"hmin":90,"hmax":45,"dmeas":11,"dcalc":91,"primary_image_id":92},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))",6.5,"1.933",5390,{"id":94,"name":95,"entrytype":9,"csystem":96,"ima_formula":15,"mindat_formula":15,"hmin":97,"hmax":98,"dmeas":36,"dcalc":99,"primary_image_id":100},1104,"Coesite","Monoclinic",7.5,8,"2.92",6030,{"id":102,"name":103,"entrytype":9,"csystem":104,"ima_formula":15,"mindat_formula":15,"hmin":90,"hmax":90,"dmeas":36,"dcalc":36,"primary_image_id":105},2363,"Lechatelierite","Amorphous",14243,{"id":107,"name":108,"entrytype":9,"csystem":33,"ima_formula":109,"mindat_formula":110,"hmin":90,"hmax":45,"dmeas":111,"dcalc":112,"primary_image_id":113},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":115,"name":116,"entrytype":9,"csystem":96,"ima_formula":117,"mindat_formula":15,"hmin":44,"hmax":44,"dmeas":118,"dcalc":119,"primary_image_id":120},2739,"Mogánite","SiO\u003Csub>2\u003C\u002Fsub> · nH\u003Csub>2\u003C\u002Fsub>O","2.52","2.55",16422,{"id":122,"name":123,"entrytype":40,"csystem":11,"ima_formula":11,"mindat_formula":124,"hmin":11,"hmax":11,"dmeas":36,"dcalc":36,"primary_image_id":125},32187,"Opal-AG","SiO\u003Csub>2\u003C\u002Fsub>·nH\u003Csub>2\u003C\u002Fsub>O",71563,{"id":127,"name":128,"entrytype":40,"csystem":11,"ima_formula":11,"mindat_formula":124,"hmin":129,"hmax":90,"dmeas":130,"dcalc":36,"primary_image_id":131},1959,"Opal-AN",5.5,"2.0",59857,{"id":133,"name":134,"entrytype":40,"csystem":11,"ima_formula":11,"mindat_formula":124,"hmin":11,"hmax":11,"dmeas":36,"dcalc":36,"primary_image_id":135},32186,"Opal-C",71596,{"id":137,"name":138,"entrytype":40,"csystem":11,"ima_formula":11,"mindat_formula":124,"hmin":11,"hmax":11,"dmeas":36,"dcalc":36,"primary_image_id":139},32185,"Opal-CT",71613,{"id":141,"name":142,"entrytype":9,"csystem":143,"ima_formula":15,"mindat_formula":15,"hmin":45,"hmax":45,"dmeas":144,"dcalc":145,"primary_image_id":146},3337,"Quartz","Trigonal","2.65","2.66",30579,{"id":148,"name":149,"entrytype":9,"csystem":150,"ima_formula":15,"mindat_formula":15,"hmin":11,"hmax":11,"dmeas":36,"dcalc":151,"primary_image_id":11},26715,"Seifertite","Orthorhombic","4.294",{"id":153,"name":154,"entrytype":9,"csystem":33,"ima_formula":15,"mindat_formula":15,"hmin":97,"hmax":98,"dmeas":155,"dcalc":156,"primary_image_id":157},3790,"Stishovite","4.35","4.29",22954,{"id":159,"name":160,"entrytype":9,"csystem":161,"ima_formula":15,"mindat_formula":15,"hmin":90,"hmax":45,"dmeas":162,"dcalc":163,"primary_image_id":164},4015,"Tridymite","Triclinic","2.25","2.28",24496,[166,174,179,189,190,196],{"id":167,"name":168,"entrytype":9,"csystem":104,"ima_formula":169,"mindat_formula":170,"hmin":171,"hmax":171,"dmeas":172,"dcalc":36,"primary_image_id":173},139,"Allophane","Al\u003Csub>2\u003C\u002Fsub>O\u003Csub>3\u003C\u002Fsub>(SiO\u003Csub>2\u003C\u002Fsub>)\u003Csub>1.3-2.0\u003C\u002Fsub> · 2.5-3.0H\u003Csub>2\u003C\u002Fsub>O","(Al\u003Csub>2\u003C\u002Fsub>O\u003Csub>3\u003C\u002Fsub>)(SiO\u003Csub>2\u003C\u002Fsub>)\u003Csub>1.3-2\u003C\u002Fsub>·2.5-3H\u003Csub>2\u003C\u002Fsub>O",3,"2.75",29037,{"id":175,"name":176,"entrytype":9,"csystem":11,"ima_formula":117,"mindat_formula":124,"hmin":129,"hmax":90,"dmeas":177,"dcalc":36,"primary_image_id":178},3004,"Opal","1.9",18161,{"id":180,"name":181,"entrytype":9,"csystem":182,"ima_formula":183,"mindat_formula":184,"hmin":185,"hmax":44,"dmeas":186,"dcalc":187,"primary_image_id":188},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>]",5,"2.58","2.71",18298,{"id":141,"name":142,"entrytype":9,"csystem":143,"ima_formula":15,"mindat_formula":15,"hmin":45,"hmax":45,"dmeas":144,"dcalc":145,"primary_image_id":146},{"id":191,"name":192,"entrytype":9,"csystem":96,"ima_formula":193,"mindat_formula":193,"hmin":44,"hmax":44,"dmeas":194,"dcalc":194,"primary_image_id":195},3521,"Sanidine","K(AlSi\u003Csub>3\u003C\u002Fsub>O\u003Csub>8\u003C\u002Fsub>)","2.56",21518,{"id":159,"name":160,"entrytype":9,"csystem":161,"ima_formula":15,"mindat_formula":15,"hmin":90,"hmax":45,"dmeas":162,"dcalc":163,"primary_image_id":164},[198,199,200,201,202,203,204],{"id":94,"name":95,"entrytype":9,"csystem":96,"ima_formula":15,"mindat_formula":15,"hmin":97,"hmax":98,"dmeas":36,"dcalc":99,"primary_image_id":100},{"id":115,"name":116,"entrytype":9,"csystem":96,"ima_formula":117,"mindat_formula":15,"hmin":44,"hmax":44,"dmeas":118,"dcalc":119,"primary_image_id":120},{"id":141,"name":142,"entrytype":9,"csystem":143,"ima_formula":15,"mindat_formula":15,"hmin":45,"hmax":45,"dmeas":144,"dcalc":145,"primary_image_id":146},{"id":148,"name":149,"entrytype":9,"csystem":150,"ima_formula":15,"mindat_formula":15,"hmin":11,"hmax":11,"dmeas":36,"dcalc":151,"primary_image_id":11},{"id":153,"name":154,"entrytype":9,"csystem":33,"ima_formula":15,"mindat_formula":15,"hmin":97,"hmax":98,"dmeas":155,"dcalc":156,"primary_image_id":157},{"id":159,"name":160,"entrytype":9,"csystem":161,"ima_formula":15,"mindat_formula":15,"hmin":90,"hmax":45,"dmeas":162,"dcalc":163,"primary_image_id":164},{"id":205,"name":206,"entrytype":9,"csystem":96,"ima_formula":11,"mindat_formula":15,"hmin":11,"hmax":11,"dmeas":11,"dcalc":11,"primary_image_id":11},472221,"Xiexiandeite",[208],{"id":209,"txt":210,"latitude":11,"longitude":11,"country":211},2338,"Cerro San Cristóbal, Pachuca Municipality, Hidalgo, Mexico","Mexico",504,[214,217,221,225,228,233,237,241,246,251,256,261,266,271,276,280,284,289,293,296,299,303,308,313,318,322,327,332,337,341,346,351,356,361],{"id":215,"year":25,"html":216,"doi":11},16106779,"vom Rath, G. (1887) Ueber Cristobalit vom Cerro S. Cristóbal bei Pachuca (Mexico). Neues Jahrbuch für Mineralogie, Geologie und Paläontologie: 1987: 198-199.",{"id":218,"year":219,"html":220,"doi":11},16106780,1925,"Wyckoff, R.W.G. (1925) The crystal structure of the high temperature form of cristobalite (SiO2). American Journal of Science: 9: 448-459.",{"id":222,"year":223,"html":224,"doi":11},16106781,1932,"Barth, T.F.W. (1932) The cristobalite structures: I. High cristobalite. American Journal of Science: 23: 350-356.",{"id":226,"year":223,"html":227,"doi":11},16106782,"Barth, T.F.W. (1932) The cristobalite structures: II. Low cristobalite. American Journal of Science: 24: 97-110.",{"id":229,"year":230,"html":231,"doi":232},16106783,1935,"Nieuwenkamp, W. (1935) Die Kristallstruktur des Tief-Cristobalits SiO2. \u003Ci>Zeitschrift für Kristallographie\u003C\u002Fi>,  92 (1-6). 82-88 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1524\u002Fzkri.1935.92.1.82'>doi:10.1524\u002Fzkri.1935.92.1.82\u003C\u002Fa>","10.1524\u002Fzkri.1935.92.1.82",{"id":234,"year":235,"html":236,"doi":11},521269,1942,"Murdoch, Joseph (1942) Crystallographic notes: cristobalite, stephanite, natrolite. \u003Ci>American Mineralogist\u003C\u002Fi>,  27 (7) 500-506 \u003Ca target='_blank' href='http:\u002F\u002Fwww.minsocam.org\u002Fammin\u002FAM27\u002FAM27_500.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":238,"year":239,"html":240,"doi":11},521518,1945,"Valkenburgh, A. Van, Buie, and B. F. (1945) Octahedral cristobalite with quartz paramorphs from Ellora Caves, Hyderabad State, India. \u003Ci>American Mineralogist\u003C\u002Fi>,  30 (7-8) 526-535 \u003Ca target='_blank' href='http:\u002F\u002Fwww.minsocam.org\u002Fammin\u002FAM30\u002FAM30_526.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":242,"year":243,"html":244,"doi":245},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":247,"year":248,"html":249,"doi":250},107186,1965,"Dollase, W. A. (1965) Reinvestigation of the structure of low cristobalite. \u003Ci>Zeitschrift für Kristallographie\u003C\u002Fi>,  121 (5). 369-377 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1524\u002Fzkri.1965.121.5.369'>doi:10.1524\u002Fzkri.1965.121.5.369\u003C\u002Fa> \u003Ca target='_blank' href='https:\u002F\u002Frruff.info\u002Fdoclib\u002Fzk\u002Fvol121\u002FZK121_369.pdf?reftype=unknown' class='refpdflink'>\u003C\u002Fa>","10.1524\u002Fzkri.1965.121.5.369",{"id":252,"year":253,"html":254,"doi":255},144987,1971,"Henderson, J. H. (1971) Cristobalite Authigenic Origin in Relation to Montmorillonite and Quartz Origin in Bentonites. \u003Ci>Clays and Clay Minerals\u003C\u002Fi>,  19 (4) 229-238 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1346\u002Fccmn.1971.0190404'>doi:10.1346\u002Fccmn.1971.0190404\u003C\u002Fa>","10.1346\u002Fccmn.1971.0190404",{"id":257,"year":258,"html":259,"doi":260},108618,1973,"Peacor, Donald R. (1973) High-temperature single-crystal study of the cristobalite inversion. \u003Ci>Zeitschrift für Kristallographie\u003C\u002Fi>,  138 (1-4). 274-298 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1524\u002Fzkri.1973.138.1-4.274'>doi:10.1524\u002Fzkri.1973.138.1-4.274\u003C\u002Fa> \u003Ca target='_blank' href='https:\u002F\u002Frruff.info\u002Fdoclib\u002Fzk\u002Fvol138\u002FZK138_274.pdf?reftype=unknown' class='refpdflink'>\u003C\u002Fa>","10.1524\u002Fzkri.1973.138.1-4.274",{"id":262,"year":263,"html":264,"doi":265},2288041,1974,"Murata, K. J., Nakata, J. K. (1974) Cristobalitic Stage in the Diagenesis of Diatomaceous Shale. \u003Ci>Science\u003C\u002Fi>, 184 (4136). 567-568 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1126\u002Fscience.184.4136.567'>doi:10.1126\u002Fscience.184.4136.567\u003C\u002Fa>","10.1126\u002Fscience.184.4136.567",{"id":267,"year":268,"html":269,"doi":270},340180,1982,"Richet, P., Bottinga, Y., Deniélou, L., Petitet, J.P., Téqui, C. (1982) Thermodynamic properties of quartz, cristobalite and amorphous SiO2: drop calorimetry measurements between 1000 and 1800 K and a review from 0 to 2000 K. \u003Ci>Geochimica et Cosmochimica Acta\u003C\u002Fi>,  46 (12) 2639-2658 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1016\u002F0016-7037(82)90383-0'>doi:10.1016\u002F0016-7037(82)90383-0\u003C\u002Fa>","10.1016\u002F0016-7037(82)90383-0",{"id":272,"year":273,"html":274,"doi":275},5022363,1985,"Pluth, J. J., Smith, J. V., Faber, J. (1985) Crystal structure of low cristobalite at 10, 293, and 473 K: Variation of framework geometry with temperature. \u003Ci>Journal of Applied Physics\u003C\u002Fi>, 57 (4). 1045-1049 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1063\u002F1.334545'>doi:10.1063\u002F1.334545\u003C\u002Fa>","10.1063\u002F1.334545",{"id":277,"year":278,"html":279,"doi":11},16106792,1989,"Drees, L.R., Wilding, L.P., Smeck, N.E., Senkayi, A.L. (1989) Silica in soils: quartz and disordered silica polymorphs. in Minerals in Soil Environments, Editor S.B. Weed. Soil Science Society of America (Madison Wisconsin, USA): 913-974.",{"id":281,"year":278,"html":282,"doi":283},151796,"Withers, R. L., Thompson, J. G., Welberry, T. R. (1989) The structure and microstructure of α-cristobalite and its relationship to β-cristobalite. \u003Ci>Physics and Chemistry of Minerals\u003C\u002Fi>,  16 (6) 517-523 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1007\u002Fbf00202206'>doi:10.1007\u002Fbf00202206\u003C\u002Fa>","10.1007\u002Fbf00202206",{"id":285,"year":286,"html":287,"doi":288},151918,1991,"Hatch, DorianM.; Ghose, Subrata (1991) The α-ß phase transition in cristobalite, SiO2. \u003Ci>Physics and Chemistry of Minerals\u003C\u002Fi>,  17 (6). 554-562 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1007\u002Fbf00202234'>doi:10.1007\u002Fbf00202234\u003C\u002Fa>","10.1007\u002Fbf00202234",{"id":290,"year":291,"html":292,"doi":11},529583,1994,"Palmer, David C., Finger, Larry W. (1994) Pressure-induced phase transition in cristobalite: An X-ray powder diffraction study to 4.4 GPa. \u003Ci>American Mineralogist\u003C\u002Fi>,  79 (1-2) 1-8 \u003Ca target='_blank' href='http:\u002F\u002Fwww.minsocam.org\u002Fammin\u002FAM79\u002FAM79_1.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":294,"year":291,"html":295,"doi":11},529584,"Downs, R. T., Palmer, D. C. (1994) The pressure behavior of α cristobalite. \u003Ci>American Mineralogist\u003C\u002Fi>,  79 (1-2) 9-14 \u003Ca target='_blank' href='http:\u002F\u002Fwww.minsocam.org\u002Fammin\u002FAM79\u002FAM79_9.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":297,"year":291,"html":298,"doi":11},16106796,"Heaney, P.J. (1994) Structure and chemistry of the low-pressure silica polymorphs. In: Reviews in Mineralogy, Volume 29, Silica - Physical behavior, geochemistry and materials applications. Mineralogical Society of America, Washington, D.C.",{"id":300,"year":291,"html":301,"doi":302},3235954,"Elzea, J.M., Odom, I.E., Miles, W.J. (1994) Distinguishing well ordered opal-CT and opal-C from high temperature cristobalite by x-ray diffraction. \u003Ci>Analytica Chimica Acta\u003C\u002Fi>, 286 (1). 107-116 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1016\u002F0003-2670(94)80182-7'>doi:10.1016\u002F0003-2670(94)80182-7\u003C\u002Fa>","10.1016\u002F0003-2670(94)80182-7",{"id":304,"year":305,"html":306,"doi":307},147176,1996,"Elzea, Jessica M. (1996) TEM and X-Ray Diffraction Evidence for Cristobalite and Tridymite Stacking Sequences in Opal. \u003Ci>Clays and Clay Minerals\u003C\u002Fi>,  44 (4). 492-500 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1346\u002Fccmn.1996.0440407'>doi:10.1346\u002Fccmn.1996.0440407\u003C\u002Fa>","10.1346\u002Fccmn.1996.0440407",{"id":309,"year":310,"html":311,"doi":312},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":314,"year":315,"html":316,"doi":317},243176,2000,"Dove, M. T., Craig, M. S., Keen, D. A., Marshall, W. G., Redfern, S. A. T., Trachenko, K. O., Tucker, M. G. (2000) Crystal structure of the high-pressure monoclinic phase-II of cristobalite, SiO\u003Csub>2\u003C\u002Fsub>. \u003Ci>Mineralogical Magazine\u003C\u002Fi>,  64 (3) 569-576 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1180\u002F002646100549436'>doi:10.1180\u002F002646100549436\u003C\u002Fa>","10.1180\u002F002646100549436",{"id":319,"year":320,"html":321,"doi":11},16963832,2001,"(2001) Cristobalite. \u003Ci>Handbook of Mineralogy\u003C\u002Fi>. Mineralogical Society of America \u003Ca target='_blank' href='https:\u002F\u002Fwww.handbookofmineralogy.org\u002Fpdfs\u002Fcristobalite.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":323,"year":324,"html":325,"doi":326},8707175,2007,"Garg, Nandini; Sharma, Surinder M (2007) Classical molecular dynamical simulations of high pressure behavior of alpha cristobalite (SiO₂). \u003Ci>Journal of Physics: Condensed Matter\u003C\u002Fi>,  19 (45). 456201 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1088\u002F0953-8984\u002F19\u002F45\u002F456201'>doi:10.1088\u002F0953-8984\u002F19\u002F45\u002F456201\u003C\u002Fa>","10.1088\u002F0953-8984\u002F19\u002F45\u002F456201",{"id":328,"year":329,"html":330,"doi":331},10608055,2008,"Donadio, Davide; Martoňák, Roman; Raiteri, Paolo; Parrinello, Michele (2008) Influence of Temperature and Anisotropic Pressure on the Phase Transitions in α-Cristobalite. \u003Ci>Physical Review Letters\u003C\u002Fi>,  100 (16). 165502-165504 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1103\u002Fphysrevlett.100.165502'>doi:10.1103\u002Fphysrevlett.100.165502\u003C\u002Fa>","10.1103\u002Fphysrevlett.100.165502",{"id":333,"year":334,"html":335,"doi":336},153667,2011,"Dera, Przemyslaw, Lazarz, John D., Prakapenka, Vitali B., Barkley, Madison, Downs, Robert T. (2011) New insights into the high-pressure polymorphism of SiO2 cristobalite. \u003Ci>Physics and Chemistry of Minerals\u003C\u002Fi>,  38 (7) 517-529 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1007\u002Fs00269-011-0424-5'>doi:10.1007\u002Fs00269-011-0424-5\u003C\u002Fa>","10.1007\u002Fs00269-011-0424-5",{"id":338,"year":339,"html":340,"doi":11},16106216,2013,"Pabst, W., Gregorová, E. (2013) Elastic properties of silica polymorphs - a review. Ceramics - Silikáty: 57: 167-184.",{"id":342,"year":343,"html":344,"doi":345},397360,2014,"Matsui, M., Sato, T., Funamori, N. (2014) Crystal structures and stabilities of cristobalite-helium phases at high pressures. \u003Ci>American Mineralogist\u003C\u002Fi>,  99 (1) 184-189 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.2138\u002Fam.2014.4637'>doi:10.2138\u002Fam.2014.4637\u003C\u002Fa>","10.2138\u002Fam.2014.4637",{"id":347,"year":348,"html":349,"doi":350},718627,2016,"Li, Jiankang, Chou, I-Ming (2016) An occurrence of metastable cristobalite in spodumene-hosted crystal-rich inclusions from Jiajika pegmatite deposit, China. \u003Ci>Journal of Geochemical Exploration\u003C\u002Fi>,  171. 29-36 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1016\u002Fj.gexplo.2015.10.012'>doi:10.1016\u002Fj.gexplo.2015.10.012\u003C\u002Fa>","10.1016\u002Fj.gexplo.2015.10.012",{"id":352,"year":353,"html":354,"doi":355},6077895,2017,"Černok, Ana; Marquardt, Katharina; Caracas, Razvan; Bykova, Elena; Habler, Gerlinde; Liermann, Hanns-Peter; Hanfland, Michael; Mezouar, Mohamed; Bobocioiu, Ema; Dubrovinsky, Leonid (2017) Compressional pathways of α-cristobalite, structure of cristobalite X-I, and towards the understanding of seifertite formation. \u003Ci>Nature Communications\u003C\u002Fi>,  8. 15647 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1038\u002Fncomms15647'>doi:10.1038\u002Fncomms15647\u003C\u002Fa>","10.1038\u002Fncomms15647",{"id":357,"year":358,"html":359,"doi":360},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",{"id":362,"year":358,"html":363,"doi":364},16098598,"Cavosie, Aaron J., Rickard, William D.A., Evans, Noreen J., Rankenburg, Kai, Roberts, Malcolm, Macris, Catherine A., Koeberl, Christian (2022) Origin of β-cristobalite in Libyan Desert Glass: The hottest naturally occurring silica polymorph?. \u003Ci>American Mineralogist\u003C\u002Fi>,  107 (7) 1325-1340 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.2138\u002Fam-2021-7922'>doi:10.2138\u002Fam-2021-7922\u003C\u002Fa>","10.2138\u002Fam-2021-7922",[366,376,385,393,402,409,417,427,433,440,448,455,462,470,476,485,492,499,506,513,520],{"id":367,"source_url":368,"license_code":369,"credit_html":370,"title":371,"description":372,"author":373,"original_width":374,"original_height":375},6449,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10141246","CC BY-SA 3.0","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10141246\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Cristobalite-130246.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FCristobalite\" class=\"extiw\" title=\"en:Cristobalite\">Cristobalite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Coso Hot Springs deposit, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FCoso_Hot_Springs\" class=\"extiw\" title=\"en:Coso Hot Springs\">Coso Hot Springs\u003C\u002Fa>, China Lake Naval Ordnance Test Station, Coso District (New Coso District), Coso Mts (Coso Range), \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FInyo_County,_California\" class=\"extiw\" title=\"en:Inyo County, California\">Inyo County\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FCalifornia\" class=\"extiw\" title=\"en:California\">California\u003C\u002Fa>, USA (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-11574.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 9.1 x 6.4 x 6.0 cm.\u003C\u002Fdd>\n\u003Cdd>A specimen otherwise known as volcanic glass, from California. It almost looks like man-made slag but is of course natural volcanic igneous rock - great for demonstrating to kiddies! Small cristobalite crystals are also present inside the obsidian bubbles.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>","Robert M. Lavinsky",548,600,{"id":377,"source_url":378,"license_code":369,"credit_html":379,"title":380,"description":381,"author":382,"original_width":383,"original_height":384},51078,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=7549833","Didier Descouens, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=7549833\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Cristobalite.jpg","Cristobalite on obsidian \n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality : Coso Hot Springs deposit, Coso Hot Springs, Inyo Co., California, USA\u003C\u002Fdd>\n\u003Cdd>Size : 14x8cm\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>","Didier Descouens",4592,3056,{"id":386,"source_url":387,"license_code":369,"credit_html":388,"title":389,"description":390,"author":373,"original_width":391,"original_height":392},6450,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10175313","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10175313\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Stilbite-Cristobalite-47643.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FStilbite\" class=\"extiw\" title=\"en:Stilbite\">Stilbite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FCristobalite\" class=\"extiw\" title=\"en:Cristobalite\">Cristobalite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FAhmednagar_district\" class=\"extiw\" title=\"en:Ahmednagar district\">Ahmadnagar District (Ahmednagar District; Ahmed Nagar District)\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FMaharashtra\" class=\"extiw\" title=\"en:Maharashtra\">Maharashtra\u003C\u002Fa>, India (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-11321.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>A VERY ARTISTIC, pristine, elongated Indian CABINET specimen of lustrous, cream-colored stilbite crystals to 5.2 cm on a nicely contrasting pink cristobalite matrix. CHOICE material from the Lewadny Collection. 11.7 x 5.7 x 4.6 cm\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",330,649,{"id":394,"source_url":395,"license_code":369,"credit_html":396,"title":397,"description":398,"author":399,"original_width":400,"original_height":401},6454,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=32969706","Leon Hupperichs, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=32969706\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Cristobalite-434892.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FCristobalite\" class=\"extiw\" title=\"en:Cristobalite\">Cristobalite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Sarliève, Cournon-d'Auvergne, Clermont-Ferrand, Puy-de-Dôme, Auvergne, France\u003C\u002Fdd>\n\u003Cdd>Field of view 3 cm\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>","Leon Hupperichs",945,810,{"id":403,"source_url":404,"license_code":369,"credit_html":405,"title":406,"description":407,"author":373,"original_width":375,"original_height":408},51082,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10175209","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10175209\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Cristobalite-Obsidian-40049.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FCristobalite\" class=\"extiw\" title=\"en:Cristobalite\">Cristobalite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FObsidian\" class=\"extiw\" title=\"en:Obsidian\">obsidian\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Canyon Butte occurrence (Couger Butte), Canyon Butte, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FSiskiyou_County,_California\" class=\"extiw\" title=\"en:Siskiyou County, California\">Siskiyou County\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FCalifornia\" class=\"extiw\" title=\"en:California\">California\u003C\u002Fa>, USA (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-93997.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>This is another unusual specimen of cristobalite on obsidian. The spheres of cristobalite are the result of devitrification of the obsidian. 6 x 5.9 x 2.5 cm\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",567,{"id":410,"source_url":411,"license_code":369,"credit_html":412,"title":413,"description":414,"author":373,"original_width":415,"original_height":416},51084,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10177738","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10177738\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Cristobalite-Obsidian-280504.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FCristobalite\" class=\"extiw\" title=\"en:Cristobalite\">Cristobalite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FObsidian\" class=\"extiw\" title=\"en:Obsidian\">obsidian\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Canyon Butte occurrence (Couger Butte), Canyon Butte, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FSiskiyou_County,_California\" class=\"extiw\" title=\"en:Siskiyou County, California\">Siskiyou County\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FCalifornia\" class=\"extiw\" title=\"en:California\">California\u003C\u002Fa>, USA (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-93997.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 3.4 x 3.1 x 2.0 cm.\u003C\u002Fdd>\n\u003Cdd>An attractive specimen of a 1.6 cm, tan, \"eye\" of high-temperature cristobalite perched in highly lustrous, jet-black obsidian from an uncommon California locale - Cougar Butte, Siskiyou County. Obsidian (volcanic glass) cools too quickly to crystallize. Thus, it is unusual to see minerals attached. The \"eyes\" or spheres of high temperature cristobalite (SiO2) are actually the result of devitrification, or loss of silica from the obsidian. Certainly, a most unusual and uncommon specimen. Ex. Mullane Collection and dates from the 1950s to early 1970s.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",750,733,{"id":418,"source_url":419,"license_code":420,"credit_html":421,"title":422,"description":423,"author":424,"original_width":425,"original_height":426},51087,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=129018128","CC BY-SA 4.0","Ringwoodit, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=129018128\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Mienit Cristobalit LPL.jpg","Einschluss von Cristobalit mit Ballenstruktur in Impaktgestein (Mienit). Dünnschliff, linear-polarisiertes Licht.","Ringwoodit",1929,1286,{"id":428,"source_url":429,"license_code":420,"credit_html":430,"title":431,"description":432,"author":424,"original_width":425,"original_height":426},51088,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=129018270","Ringwoodit, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=129018270\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Mienit Cristobalit XPL.jpg","Einschluss von Cristobalit mit Ballenstruktur in Impaktgestein. Dünnschliff, gekreuzte Polarisatoren.",{"id":434,"source_url":435,"license_code":369,"credit_html":436,"title":437,"description":438,"author":373,"original_width":375,"original_height":439},6448,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10127440","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10127440\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Cristobalite-Fayalite-40048.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FCristobalite\" class=\"extiw\" title=\"en:Cristobalite\">Cristobalite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FFayalite\" class=\"extiw\" title=\"en:Fayalite\">Fayalite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Canyon Butte occurrence (Couger Butte), Canyon Butte, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FSiskiyou_County,_California\" class=\"extiw\" title=\"en:Siskiyou County, California\">Siskiyou County\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FCalifornia\" class=\"extiw\" title=\"en:California\">California\u003C\u002Fa>, USA (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-93997.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Obsidian (volcanic glass) cools too quickly to crystallize. Thus, it is unusual to see minerals attached. The spheres of high temperature cristobalite (SiO2) are actually the result of devitrification, or loss of silica from the obsidian. Most unusual. 5.9 x 3.8 x 3.8 cm\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",516,{"id":441,"source_url":442,"license_code":369,"credit_html":443,"title":444,"description":445,"author":373,"original_width":446,"original_height":447},6452,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10453537","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10453537\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Cristobalite-Fayalite-mrz329c.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FCristobalite\" class=\"extiw\" title=\"en:Cristobalite\">Cristobalite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FFayalite\" class=\"extiw\" title=\"en:Fayalite\">Fayalite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Little Lake Perlite deposits (Desert Materials Corp. deposit), Little Lake area, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FCoso_Hot_Springs\" class=\"extiw\" title=\"en:Coso Hot Springs\">Coso Hot Springs\u003C\u002Fa>, China Lake Naval Ordnance Test Station, Coso District (New Coso District), Coso Mts (Coso Range), \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FInyo_County,_California\" class=\"extiw\" title=\"en:Inyo County, California\">Inyo County\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FCalifornia\" class=\"extiw\" title=\"en:California\">California\u003C\u002Fa>, USA (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-79075.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: small cabinet, 6 x 4.9 x 4.1 cm\n\u003Cdl>\u003Cdt>Fayalite on Cristobalite\u003C\u002Fdt>\u003C\u002Fdl>\u003C\u002Fdd>\n\u003Cdd>Amygdaloidal obsidian is the matrix for an open \"egg\" of light gray, cristobalite ( a tetragonal polymorph of quartz) which lines the inside. Perched aesthetically inside the cristobalite vug is a gemmy, yellow-green crystal, 0.2 cm across, of fayalite. This is an end member of the olivine group, of which, the most famous member is forsterite var. peridot. But you even more seldom see nice sharp (gemmy!) fayalites.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",385,398,{"id":449,"source_url":450,"license_code":369,"credit_html":451,"title":452,"description":453,"author":373,"original_width":375,"original_height":454},8362,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10152601","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10152601\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Fayalite-Cristobalite-179860.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FFayalite\" class=\"extiw\" title=\"en:Fayalite\">Fayalite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FCristobalite\" class=\"extiw\" title=\"en:Cristobalite\">Cristobalite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Little Lake Perlite deposits (Desert Materials Corp. deposit), Little Lake area, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FCoso_Hot_Springs\" class=\"extiw\" title=\"en:Coso Hot Springs\">Coso Hot Springs\u003C\u002Fa>, China Lake Naval Ordnance Test Station, Coso District (New Coso District), Coso Mts (Coso Range), \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FInyo_County,_California\" class=\"extiw\" title=\"en:Inyo County, California\">Inyo County\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FCalifornia\" class=\"extiw\" title=\"en:California\">California\u003C\u002Fa>, USA (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-79075.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 6 x 4.9 x 4.1 cm.\u003C\u002Fdd>\n\u003Cdd>Lithophysae in obsidian is the matrix for an open \"egg\" of light gray, cristobalite ( a tetragonal polymorph of quartz) which lines the inside. Perched inside the cristobalite vug is a gemmy, yellow-green crystal, 0.2 cm across, of fayalite. Ex. Martin Zinn Collection.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",595,{"id":456,"source_url":457,"license_code":369,"credit_html":458,"title":459,"description":460,"author":373,"original_width":375,"original_height":461},8364,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10164788","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10164788\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Cristobalite-Fayalite-237494.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FCristobalite\" class=\"extiw\" title=\"en:Cristobalite\">Cristobalite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FFayalite\" class=\"extiw\" title=\"en:Fayalite\">Fayalite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Canyon Butte occurrence (Couger Butte), Canyon Butte, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FSiskiyou_County,_California\" class=\"extiw\" title=\"en:Siskiyou County, California\">Siskiyou County\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FCalifornia\" class=\"extiw\" title=\"en:California\">California\u003C\u002Fa>, USA (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-93997.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 13.4 x 9.9 x 6.2 cm.\u003C\u002Fdd>\n\u003Cdd>A visual and fine cabinet specimen of \"eyes\" of high-temperature cristobalite scattered in highly lustrous, jet-black obsidian from an uncommon California locale - Cougar Butte, Siskiyou County. Some of the \"eyes\" have faint hints of gemmy, micro-blades of fayalite, an olivine group mineral. Obsidian (volcanic glass) cools too quickly, to crystallize. Thus, it is unusual to see minerals attached. The \"eyes\" or spheres of high temperature cristobalite (SiO2) are actually the result of devitrification, or loss of silica from the obsidian. Certainly, a most unusual and uncommon specimen. Ex. Mullane Collection.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",543,{"id":463,"source_url":464,"license_code":369,"credit_html":465,"title":466,"description":467,"author":468,"original_width":315,"original_height":469},51077,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=6248818","Elya, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=6248818\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Fayalit auf cristobalit mineralogisches museum bonn.jpg","\u003Ca href=\"https:\u002F\u002Fde.wikipedia.org\u002Fwiki\u002FFayalit\" class=\"extiw\" title=\"de:Fayalit\">Fayalit\u003C\u002Fa> auf \u003Ca href=\"https:\u002F\u002Fde.wikipedia.org\u002Fwiki\u002FCristobalit\" class=\"extiw\" title=\"de:Cristobalit\">Cristobalit\u003C\u002Fa>, in Obsidian-Lithophyse, Yellowstone-Park USA. Mineralogisches Museum Bonn","Elya",1538,{"id":471,"source_url":472,"license_code":369,"credit_html":473,"title":474,"description":445,"author":373,"original_width":475,"original_height":447},6451,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10453536","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10453536\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Cristobalite-Fayalite-mrz329b.jpg",380,{"id":477,"source_url":478,"license_code":369,"credit_html":479,"title":480,"description":481,"author":482,"original_width":483,"original_height":484},51080,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=9622718","Fred Kruijen, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=9622718\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Pseudobrookite ball, hematite needle, cristobalite balls - Ochtendung, Eifel, Germany.jpg","In some black xenolite you can find this combination: Nice \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FPseudobrookite\" class=\"extiw\" title=\"en:Pseudobrookite\">Pseudobrookite\u003C\u002Fa> ball (yellow) on Hematite needle and tiny Cristobalite balls. - Locality: Wannenköpfe, Ochtendung, Eifel region, Germany","Fred Kruijen",1023,767,{"id":486,"source_url":487,"license_code":369,"credit_html":488,"title":489,"description":490,"author":373,"original_width":375,"original_height":491},8361,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10127371","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10127371\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Cristobalite-Fayalite-39952.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FCristobalite\" class=\"extiw\" title=\"en:Cristobalite\">Cristobalite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FFayalite\" class=\"extiw\" title=\"en:Fayalite\">Fayalite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FSiskiyou_County,_California\" class=\"extiw\" title=\"en:Siskiyou County, California\">Siskiyou County\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FCalifornia\" class=\"extiw\" title=\"en:California\">California\u003C\u002Fa>, USA (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-3573.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>This example of cristobalite on obsidian, created by devitrification of the obsidian, exhibits a large vesicle 3 cm across. SHOWY! 11.8 x 8.5 x 6.8 cm\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",414,{"id":493,"source_url":494,"license_code":369,"credit_html":495,"title":496,"description":445,"author":373,"original_width":497,"original_height":498},6453,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10453538","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10453538\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Cristobalite-Fayalite-mrz329d.jpg",400,300,{"id":500,"source_url":501,"license_code":369,"credit_html":502,"title":503,"description":504,"author":373,"original_width":375,"original_height":505},51081,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10127441","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10127441\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Cristobalite-Fayalite-40050.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FCristobalite\" class=\"extiw\" title=\"en:Cristobalite\">Cristobalite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FFayalite\" class=\"extiw\" title=\"en:Fayalite\">Fayalite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Canyon Butte occurrence (Couger Butte), Canyon Butte, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FSiskiyou_County,_California\" class=\"extiw\" title=\"en:Siskiyou County, California\">Siskiyou County\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FCalifornia\" class=\"extiw\" title=\"en:California\">California\u003C\u002Fa>, USA (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-93997.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>This example of cristobalite on obsidian, created by devitrification of the obsidian, exhibits a large vesicle 2.5 cm across. 6 x 5.4 x 2.5 cm\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",541,{"id":507,"source_url":508,"license_code":369,"credit_html":509,"title":510,"description":511,"author":373,"original_width":512,"original_height":497},8363,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10152603","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10152603\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Fayalite-Cristobalite-179861.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FFayalite\" class=\"extiw\" title=\"en:Fayalite\">Fayalite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FCristobalite\" class=\"extiw\" title=\"en:Cristobalite\">Cristobalite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Little Lake Perlite deposits (Desert Materials Corp. deposit), Little Lake area, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FCoso_Hot_Springs\" class=\"extiw\" title=\"en:Coso Hot Springs\">Coso Hot Springs\u003C\u002Fa>, China Lake Naval Ordnance Test Station, Coso District (New Coso District), Coso Mts (Coso Range), \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FInyo_County,_California\" class=\"extiw\" title=\"en:Inyo County, California\">Inyo County\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FCalifornia\" class=\"extiw\" title=\"en:California\">California\u003C\u002Fa>, USA (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-79075.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 6 x 4.9 x 4.1 cm.\u003C\u002Fdd>\n\u003Cdd>Amygdaloidal obsidian is the matrix for an open \"egg\" of light gray, cristobalite ( a tetragonal polymorph of quartz) which lines the inside. Perched inside the cristobalite vug is a gemmy, yellow-green crystal, 0.2 cm across, of fayalite. Ex. Martin Zinn Collection.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",386,{"id":514,"source_url":515,"license_code":369,"credit_html":516,"title":517,"description":518,"author":373,"original_width":519,"original_height":497},51083,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10177373","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10177373\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Cristobalite-Fayalite-Obsidian-254005.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FCristobalite\" class=\"extiw\" title=\"en:Cristobalite\">Cristobalite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FFayalite\" class=\"extiw\" title=\"en:Fayalite\">Fayalite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FObsidian\" class=\"extiw\" title=\"en:Obsidian\">obsidian\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Canyon Butte occurrence (Couger Butte), Canyon Butte, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FSiskiyou_County,_California\" class=\"extiw\" title=\"en:Siskiyou County, California\">Siskiyou County\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FCalifornia\" class=\"extiw\" title=\"en:California\">California\u003C\u002Fa>, USA (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-93997.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 5.8 x 5.8 x 4.4 cm.\u003C\u002Fdd>\n\u003Cdd>A visual and showy specimen of a 2.5 cm \"eye\" of high-temperature cristobalite nicely set in highly lustrous, jet-black obsidian from an uncommon California locale - the Couger Butte, Siskiyou County. The \"eye\" has three clusters of gemmy, olive-green, micro-blades of fayalite, an olivine group mineral. Obsidian (volcanic glass) cools too quickly to crystallize. Thus, it is unusual to see minerals attached. The \"eyes\" or spheres of high temperature cristobalite (SiO2) are actually the result of devitrification, or loss of silica from the obsidian.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",399,{"id":521,"source_url":522,"license_code":369,"credit_html":523,"title":524,"description":525,"author":373,"original_width":375,"original_height":454},8365,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10453535","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10453535\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Cristobalite-Fayalite-mrz329a.jpg","\u003Cb>\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FCristobalite\" class=\"extiw\" title=\"en:Cristobalite\">Cristobalite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FFayalite\" class=\"extiw\" title=\"en:Fayalite\">Fayalite\u003C\u002Fa>\u003C\u002Fb>.\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: \u003Cb>\u003Ca href=\"\u002F\u002Fcommons.wikimedia.org\u002Fwiki\u002FCategory:Little_Lake_Perlite_Deposits\" title=\"Category:Little Lake Perlite Deposits\">Little Lake Perlite deposits\u003C\u002Fa>\u003C\u002Fb> (Desert Materials Corp. deposit) — Little Lake area, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FCoso_Hot_Springs\" class=\"extiw\" title=\"en:Coso Hot Springs\">Coso Hot Springs\u003C\u002Fa>, China Lake Naval Ordnance Test Station, Coso District (New Coso District), Coso Mts (Coso Range), \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FInyo_County,_California\" class=\"extiw\" title=\"en:Inyo County, California\">Inyo County\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FCalifornia\" class=\"extiw\" title=\"en:California\">California\u003C\u002Fa>, USA (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-79075.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: small cabinet, 6 x 4.9 x 4.1 cm\n\u003Cdl>\u003Cdt>Fayalite on Cristobalite\u003C\u002Fdt>\u003C\u002Fdl>\u003C\u002Fdd>\n\u003Cdd>Amygdaloidal obsidian is the matrix for an open \"egg\" of light gray, cristobalite ( a tetragonal polymorph of quartz) which lines the inside. Perched aesthetically inside the cristobalite vug is a gemmy, yellow-green crystal, 0.2 cm across, of fayalite. This is an end member of the olivine group, of which, the most famous member is forsterite var. peridot. But you even more seldom see nice sharp (gemmy!) fayalites.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",[527,534,540,545,549],{"id":528,"url":529,"label":530,"formula":531,"spacegroup":532,"year":533},3303,"\u002Fcif\u002F3303.cif","Lee 2019","Si O2","P 41 21 2",2019,{"id":535,"url":536,"label":537,"formula":538,"spacegroup":539,"year":343},3304,"\u002Fcif\u002F3304.cif","Matsui 2014 · Si O2 He (1)","Si O2 He","P 1 21\u002Fc 1",{"id":541,"url":542,"label":543,"formula":538,"spacegroup":544,"year":343},3305,"\u002Fcif\u002F3305.cif","Matsui 2014 · Si O2 He (2)","R -3 c",{"id":546,"url":547,"label":548,"formula":531,"spacegroup":532,"year":334},3306,"\u002Fcif\u002F3306.cif","Dera 2011",{"id":550,"url":551,"label":552,"formula":531,"spacegroup":539,"year":315},3312,"\u002Fcif\u002F3312.cif","Dove 2000",[554,555,556,557,558,559,560,561,562,563,564,565,566,567],"Alpha-Cristobalite","b-Cristobalit","b-Cristobalita","Christobalite","Cristobalitchalcedon","Crystobalite","Low-Cristobalite","Lussatine","Lussatit","Lussatita","Tiefcristobalit","α-Cristobalit","α-Cristobalita","α-Cristobalite",[569,573,577,581,585,588,591,595,599,603,607,611,615,619,622,628,632,636,640,643,647,650,654,658,662,666,669,672],{"lang":570,"names":571},"ar",[572],"كريستوباليت",{"lang":574,"names":575},"az",[576],"Kristobalit",{"lang":578,"names":579},"ca",[580],"cristobalita",{"lang":582,"names":583},"cs",[584],"Cristobalit",{"lang":586,"names":587},"de",[584],{"lang":589,"names":590},"es",[580],{"lang":592,"names":593},"et",[594],"kristobaliit",{"lang":596,"names":597},"eu",[598],"Cristobalita",{"lang":600,"names":601},"fa",[602],"کریستوبالیت",{"lang":604,"names":605},"fr",[606,7],"14464-46-1",{"lang":608,"names":609},"he",[610],"קריסטובליט",{"lang":612,"names":613},"hy",[614],"Կրիստոբալիտ",{"lang":616,"names":617},"is",[618],"Kristobalít",{"lang":620,"names":621},"it",[7],{"lang":623,"names":624},"ja",[625,626,627],"クリストバライト","クリストバル石","方珪石",{"lang":629,"names":630},"ko",[631],"크리스토발라이트",{"lang":633,"names":634},"nb",[635],"cristobalitt",{"lang":637,"names":638},"nl",[639],"Cristobaliet",{"lang":641,"names":642},"nn",[635],{"lang":644,"names":645},"pl",[646],"Krystobalit",{"lang":648,"names":649},"pt",[580,7],{"lang":651,"names":652},"ro",[653],"cristobalit",{"lang":655,"names":656},"ru",[657],"Кристобалит",{"lang":659,"names":660},"sl",[661],"kristobalit",{"lang":663,"names":664},"uk",[665],"Кристобаліт",{"lang":667,"names":668},"uz",[576],{"lang":670,"names":671},"vi",[584],{"lang":673,"names":674},"zh",[675,676],"方石英","方矽石","Q422075",{"history":11,"applications":11}]