[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"minerals:one:1458":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":20,"key_elements":11,"impurities":21,"cim":22,"ima_status":23,"ima_notes":11,"ima_history":11,"approval_year":11,"publication_year":11,"discovery_year":26,"strunz10ed1":27,"strunz10ed2":28,"strunz10ed3":29,"strunz10ed4":30,"dana8ed1":31,"dana8ed2":32,"dana8ed3":33,"dana8ed4":33,"csystem":34,"cclass":35,"spacegroup":11,"spacegroupset":36,"a":37,"b":38,"c":39,"alpha":36,"beta":36,"gamma":36,"aerror":11,"berror":11,"cerror":11,"alphaerror":11,"betaerror":11,"gammaerror":11,"va3":11,"z":40,"csmetamict":14,"commentcrystal":41,"twinning":11,"tranglide":11,"parting":11,"epitaxidescription":11,"morphology":11,"tlform":11,"hmin":42,"hmax":42,"hardtype":11,"vhnmin":36,"vhnmax":36,"vhnerror":11,"vhng":11,"vhns":11,"commenthard":11,"dmeas":43,"dmeas2":43,"dcalc":36,"dmeaserror":11,"dcalcerror":11,"commentdense":44,"lustre":45,"lustretype":46,"commentluster":11,"diapheny":47,"streak":48,"colour":49,"commentcolor":11,"colors":50,"streak_colors":55,"luminescence":11,"uv":11,"cleavage":11,"cleavagetype":11,"fracturetype":11,"tenacity":11,"commentbreak":11,"opticaltype":56,"opticalsign":57,"opticalalpha":58,"opticalalpha2":59,"opticalalphaerror":11,"opticalbeta":60,"opticalbeta2":61,"opticalbetaerror":11,"opticalgamma":62,"opticalgamma2":63,"opticalgammaerror":11,"opticalomega":36,"opticalomega2":36,"opticalomegaerror":11,"opticalepsilon":36,"opticalepsilon2":36,"opticalepsilonerror":11,"opticaln":36,"opticaln2":36,"opticalnerror":11,"optical2vcalc":64,"optical2vcalc2":65,"optical2vcalcerror":11,"optical2vmeasured":66,"optical2vmeasured2":67,"optical2vmeasurederror":11,"rimin":68,"rimax":69,"opticaldispersion":70,"opticalpleochroism":71,"opticalpleochorismdesc":72,"opticalbirefringence":11,"opticalcomments":11,"opticalcolour":11,"opticalinternal":11,"opticaltropic":11,"opticalanisotropism":11,"opticalbireflectance":11,"opticalextinction":11,"opticalr":11,"specdispm":11,"ir":11,"electrical":11,"magnetism":11,"thermalbehaviour":11,"other":11,"industrial":11,"occurrence":11,"otheroccurrence":11,"type_specimen_store":11,"description_short":73,"aboutname":74,"rock_parent":11,"rock_parent2":11,"rock_root":9,"rock_bgs_code":11,"meteoritical_code":11,"updttime":75,"reviewed_at":11,"variety_of":11,"varieties":76,"group_members":85,"associates":149,"confused_with":172,"type_localities":191,"occurrence_total":196,"citations":197,"images":325,"structures":479,"synonyms":507,"language_names":513,"wikidata_qid":665,"texts":666},1458,"1:1:1458:4","62cc2922-7db2-4c95-8aa5-04e2c6a24ca4","Fayalite","Fa",0,"mineral",null,29264,3209,false,"Fe\u003Csup>2+\u003C\u002Fsup>\u003Csub>2\u003C\u002Fsub>(SiO\u003Csub>4\u003C\u002Fsub>)",[17,18,19],"Fe","Si","O",[17,18,19],",Mn, Mg","14.19.1",[24,25],"APPROVED","GRANDFATHERED","1840","9","A","C","05","51","3","1","Orthorhombic",8,"0","4.79","10.39","6.06",4,"Space group Pbnm (non-standard setting).",7,"4.39","measured on synthetic material","Vitreous","Vitreous,Greasy","Transparent,Translucent","Colourless","Greenish-yellow, yellow or brown",[51,52,53,54],"yellow","orange","brown","colorless",[54],"Biaxial","-","1.731","1.824","1.76","1.864","1.773","1.875","54","66","74","47",1.731,1.875,"weak","Visible","X = pale yellow\r\nY = orange-yellow, reddish-brown\r\nZ = pale yellow","Olivine Group. Fayalite-Forsterite Series, and the Fayalite-Tephroite Series. The Fe2+ analogue of Forsterite, Tephroite, and Calcio-Olivine.\r\n\r\nUncommon in nature, but common in man-made (metallurgy) iron slags.\r\nSee also laihunite.","Named by Christian Gottlieb Gmelin in 1840 for the type locality, Faial Island (Fayal Island), Azores District (Azores Islands), Portugal.","2026-04-18 16:42:30",[77],{"id":78,"name":79,"entrytype":80,"csystem":11,"ima_formula":11,"mindat_formula":81,"hmin":82,"hmax":83,"dmeas":84,"dcalc":11,"primary_image_id":11},43736,"Roepperite (of Brush)",2,"(Fe\u003Csup>2+\u003C\u002Fsup>,Mn,Zn)\u003Csub>2\u003C\u002Fsub>SiO\u003Csub>4\u003C\u002Fsub>",5.5,6,"3.95",[86,93,100,107,111,118,127,134,142],{"id":87,"name":88,"entrytype":9,"csystem":34,"ima_formula":89,"mindat_formula":90,"hmin":91,"hmax":91,"dmeas":36,"dcalc":92,"primary_image_id":11},9574,"Calcio-olivine","Ca\u003Csub>2\u003C\u002Fsub>(SiO\u003Csub>4\u003C\u002Fsub>)","Ca\u003Csub>2\u003C\u002Fsub>SiO\u003Csub>4\u003C\u002Fsub>",4.5,"2.986",{"id":94,"name":95,"entrytype":9,"csystem":34,"ima_formula":96,"mindat_formula":96,"hmin":42,"hmax":42,"dmeas":97,"dcalc":98,"primary_image_id":99},1584,"Forsterite","Mg\u003Csub>2\u003C\u002Fsub>(SiO\u003Csub>4\u003C\u002Fsub>)","3.275","3.271",29729,{"id":101,"name":102,"entrytype":9,"csystem":34,"ima_formula":103,"mindat_formula":103,"hmin":83,"hmax":83,"dmeas":104,"dcalc":105,"primary_image_id":106},1708,"Glaucochroite","CaMn\u003Csup>2+\u003C\u002Fsup>(SiO\u003Csub>4\u003C\u002Fsub>)","3.407","3.465",10023,{"id":108,"name":109,"entrytype":9,"csystem":34,"ima_formula":11,"mindat_formula":110,"hmin":11,"hmax":11,"dmeas":11,"dcalc":11,"primary_image_id":11},494666,"Hinokageite","MnMg(SiO\u003Csub>4\u003C\u002Fsub>)",{"id":112,"name":113,"entrytype":9,"csystem":34,"ima_formula":114,"mindat_formula":114,"hmin":82,"hmax":82,"dmeas":115,"dcalc":116,"primary_image_id":117},2217,"Kirschsteinite","CaFe\u003Csup>2+\u003C\u002Fsup>(SiO\u003Csub>4\u003C\u002Fsub>)","3.434","3.596",13376,{"id":119,"name":120,"entrytype":9,"csystem":121,"ima_formula":122,"mindat_formula":122,"hmin":82,"hmax":123,"dmeas":124,"dcalc":125,"primary_image_id":126},2312,"Laihunite","Monoclinic","(Fe\u003Csup>3+\u003C\u002Fsup>,Fe\u003Csup>2+\u003C\u002Fsup>,◻)\u003Csub>2\u003C\u002Fsub>(SiO\u003Csub>4\u003C\u002Fsub>)",6.5,"3.967","4.11",13856,{"id":128,"name":129,"entrytype":9,"csystem":34,"ima_formula":130,"mindat_formula":130,"hmin":83,"hmax":123,"dmeas":131,"dcalc":132,"primary_image_id":133},2397,"Liebenbergite","Ni\u003Csub>2\u003C\u002Fsub>(SiO\u003Csub>4\u003C\u002Fsub>)","4.92","4.60",14478,{"id":135,"name":136,"entrytype":9,"csystem":34,"ima_formula":137,"mindat_formula":137,"hmin":138,"hmax":82,"dmeas":139,"dcalc":140,"primary_image_id":141},2768,"Monticellite","CaMg(SiO\u003Csub>4\u003C\u002Fsub>)",5,"3.03","3.058",13377,{"id":143,"name":144,"entrytype":9,"csystem":34,"ima_formula":145,"mindat_formula":145,"hmin":83,"hmax":83,"dmeas":146,"dcalc":147,"primary_image_id":148},3913,"Tephroite","Mn\u003Csup>2+\u003C\u002Fsup>\u003Csub>2\u003C\u002Fsub>(SiO\u003Csub>4\u003C\u002Fsub>)","3.87","4.15",30817,[150,156,165],{"id":151,"name":152,"entrytype":9,"csystem":153,"ima_formula":154,"mindat_formula":154,"hmin":82,"hmax":83,"dmeas":36,"dcalc":36,"primary_image_id":155},33,"Aenigmatite","Triclinic","Na\u003Csub>4\u003C\u002Fsub>[Fe\u003Csup>2+\u003C\u002Fsup>\u003Csub>10\u003C\u002Fsub>Ti\u003Csub>2\u003C\u002Fsub>]O\u003Csub>4\u003C\u002Fsub>[Si\u003Csub>12\u003C\u002Fsub>O\u003Csub>36\u003C\u002Fsub>]",266,{"id":157,"name":158,"entrytype":9,"csystem":159,"ima_formula":160,"mindat_formula":161,"hmin":138,"hmax":83,"dmeas":162,"dcalc":163,"primary_image_id":164},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":166,"name":167,"entrytype":9,"csystem":121,"ima_formula":168,"mindat_formula":168,"hmin":83,"hmax":83,"dmeas":169,"dcalc":170,"primary_image_id":171},4196,"Vlasovite","Na\u003Csub>2\u003C\u002Fsub>ZrSi\u003Csub>4\u003C\u002Fsub>O\u003Csub>11\u003C\u002Fsub>","2.92","3.07",9957,[173,179,184,185,186,187,188,189,190],{"id":174,"name":175,"entrytype":9,"csystem":176,"ima_formula":177,"mindat_formula":177,"hmin":11,"hmax":11,"dmeas":11,"dcalc":178,"primary_image_id":11},43891,"Ahrensite","Isometric","SiFe\u003Csub>2\u003C\u002Fsub>O\u003Csub>4\u003C\u002Fsub>","4.135",{"id":180,"name":181,"entrytype":9,"csystem":34,"ima_formula":182,"mindat_formula":183,"hmin":11,"hmax":11,"dmeas":11,"dcalc":11,"primary_image_id":11},53233,"Asimowite","Fe\u003Csub>2\u003C\u002Fsub>SiO\u003Csub>4\u003C\u002Fsub>","Fe\u003Csup>2+\u003C\u002Fsup>\u003Csub>4\u003C\u002Fsub>O(Si\u003Csub>2\u003C\u002Fsub>O\u003Csub>7\u003C\u002Fsub>)",{"id":87,"name":88,"entrytype":9,"csystem":34,"ima_formula":89,"mindat_formula":90,"hmin":91,"hmax":91,"dmeas":36,"dcalc":92,"primary_image_id":11},{"id":94,"name":95,"entrytype":9,"csystem":34,"ima_formula":96,"mindat_formula":96,"hmin":42,"hmax":42,"dmeas":97,"dcalc":98,"primary_image_id":99},{"id":101,"name":102,"entrytype":9,"csystem":34,"ima_formula":103,"mindat_formula":103,"hmin":83,"hmax":83,"dmeas":104,"dcalc":105,"primary_image_id":106},{"id":112,"name":113,"entrytype":9,"csystem":34,"ima_formula":114,"mindat_formula":114,"hmin":82,"hmax":82,"dmeas":115,"dcalc":116,"primary_image_id":117},{"id":119,"name":120,"entrytype":9,"csystem":121,"ima_formula":122,"mindat_formula":122,"hmin":82,"hmax":123,"dmeas":124,"dcalc":125,"primary_image_id":126},{"id":135,"name":136,"entrytype":9,"csystem":34,"ima_formula":137,"mindat_formula":137,"hmin":138,"hmax":82,"dmeas":139,"dcalc":140,"primary_image_id":141},{"id":143,"name":144,"entrytype":9,"csystem":34,"ima_formula":145,"mindat_formula":145,"hmin":83,"hmax":83,"dmeas":146,"dcalc":147,"primary_image_id":148},[192],{"id":193,"txt":194,"latitude":11,"longitude":11,"country":195},16455,"Faial, Azores, Portugal","Portugal",463,[198,202,205,210,214,218,222,226,229,234,239,243,247,252,257,261,266,270,275,280,284,289,293,298,302,306,311,315,320],{"id":199,"year":200,"html":201,"doi":11},16108974,1840,"Gmelin, C.G. (1840) Chemische Untersuchung des Fayalites. Annalen der Chemie und Physik: 127(2\u002F051): 160.",{"id":203,"year":200,"html":204,"doi":11},16108975,"von Fellenberg, R.L. (1840) Analyse des Eisenperidots, eines neuen vulkanischen Minerals von den Azoren. Annalen der Physik und Chemie: 127(2\u002F051): 261.",{"id":206,"year":207,"html":208,"doi":209},399324,1884,"Gorgeu, Alex. (1884) Sur la production artificielle de la Fayalite. \u003Ci>Bulletin de Minéralogie\u003C\u002Fi>,  7 (2) 61-62 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.3406\u002Fbulmi.1884.1855'>doi:10.3406\u002Fbulmi.1884.1855\u003C\u002Fa>","10.3406\u002Fbulmi.1884.1855",{"id":211,"year":212,"html":213,"doi":11},16108976,1969,"Fisher, G.W., Medaris, L.G. (1969) Cell dimensions and X-ray determinative curve for synthetic Mg-Fe olivines. American Mineralogist: 54: 741-753.",{"id":215,"year":216,"html":217,"doi":11},525876,1972,"Burns, Roger G., Huggins, Frank E. (1972) Cation determinative curves for Mg-Fe-Mn olivines from vibrational spectra. \u003Ci>American Mineralogist\u003C\u002Fi>,  57 (5-6) 967-985 \u003Ca target='_blank' href='http:\u002F\u002Fwww.minsocam.org\u002Fammin\u002FAM57\u002FAM57_967.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":219,"year":220,"html":221,"doi":11},526575,1975,"Smyth, Joseph R. (1975) High temperature crystal chemistry of fayalite. \u003Ci>American Mineralogist\u003C\u002Fi>,  60 (11-12) 1092-1097 \u003Ca target='_blank' href='http:\u002F\u002Fwww.minsocam.org\u002Fammin\u002FAM60\u002FAM60_1092.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":223,"year":224,"html":225,"doi":11},526823,1977,"Hazen, Robert M. (1977) Effects of temperature and pressure on the crystal structure of ferromagnesian olivine. \u003Ci>American Mineralogist\u003C\u002Fi>,  62 (3-4) 286-295 \u003Ca target='_blank' href='http:\u002F\u002Fwww.minsocam.org\u002Fammin\u002FAM62\u002FAM62_286.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":227,"year":224,"html":228,"doi":11},16108980,"Schwab, R.G., Küstner, D. (1977) Präzisionsgitterkonstantenbestimmung zur Festlegung röntgenographischer Bestimmungskurven für synthetische Olivine der Mischkristallreihe Forsterit-Fayalit. Neues Jahrbuch für Mineralogie, Monatshefte, 5: 205-215.",{"id":230,"year":231,"html":232,"doi":233},12771324,1978,"Riekel, Ch., Weiss, Armin (1978) Cation-Ordering in Synthetic Mg2-xFexSiO4-Olivines. \u003Ci>Zeitschrift für Naturforschung B\u003C\u002Fi>, 33. 731-736 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1515\u002Fznb-1978-0709'>doi:10.1515\u002Fznb-1978-0709\u003C\u002Fa>","10.1515\u002Fznb-1978-0709",{"id":235,"year":236,"html":237,"doi":238},151178,1981,"Suzuki, Isao, Seya, Kiyoshi, Takei, Humihiko, Sumino, Yoshio (1981) Thermal expansion of fayalite, Fe2SiO4. \u003Ci>Physics and Chemistry of Minerals\u003C\u002Fi>,  7 (2) 60-63 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1007\u002Fbf00309452'>doi:10.1007\u002Fbf00309452\u003C\u002Fa>","10.1007\u002Fbf00309452",{"id":240,"year":236,"html":241,"doi":242},200404,"Fujino, K., Sasaki, S., Takéuchi, Y., Sadanaga, R. (1981) X-ray determination of electron distributions in forsterite, fayalite and tephroite. \u003Ci>Acta Crystallographica Section B Structural Crystallography and Crystal Chemistry\u003C\u002Fi>,  37 (3) 513-518 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1107\u002Fs0567740881003506'>doi:10.1107\u002Fs0567740881003506\u003C\u002Fa>","10.1107\u002Fs0567740881003506",{"id":244,"year":245,"html":246,"doi":11},527836,1983,"Mukhopadhyay, Dilip K.; Lindsley, Donald H. (1983) Phase relations in the join kirschsteinite (CaFeSiO\u003Csub>4\u003C\u002Fsub>)-fayalite (Fe\u003Csub>2\u003C\u002Fsub>SiO\u003Csub>4\u003C\u002Fsub>). \u003Ci>American Mineralogist\u003C\u002Fi>,  68 (11-12). 1089-1094 \u003Ca target='_blank' href='http:\u002F\u002Fwww.minsocam.org\u002Fammin\u002FAM68\u002FAM68_1089.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":248,"year":249,"html":250,"doi":251},8430349,1984,"Amthauer, G., Fuess, H., Hafner, S. S., Lottermoser, W. (1984) The magnetic structure of fayalite from \u003Csup>57\u003C\u002Fsup>Fe Mössbauer resonance. \u003Ci>Acta Crystallographica Section A Foundations of Crystallography\u003C\u002Fi>,  40 (a1). C259 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1107\u002Fs0108767384092242'>doi:10.1107\u002Fs0108767384092242\u003C\u002Fa>","10.1107\u002Fs0108767384092242",{"id":253,"year":254,"html":255,"doi":256},151482,1985,"Brinkmann, U., Laqua, W. (1985) Decomposition of fayalite (Fe2SiO4) in an oxygen potential gradient at 1,418 K. \u003Ci>Physics and Chemistry of Minerals\u003C\u002Fi>,  12 (5) 283-290 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1007\u002Fbf00310341'>doi:10.1007\u002Fbf00310341\u003C\u002Fa>","10.1007\u002Fbf00310341",{"id":258,"year":259,"html":260,"doi":11},528215,1987,"O'Neill, Hugh St. C. (1987) Quartz-fayalite-iron and quartz-fayalite-magnetite equilibria and the free energy of formation of fayalite (Fe2SiO4) and magnetite (Fe3O4). \u003Ci>American Mineralogist\u003C\u002Fi>,  72 (1-2). 67-75 \u003Ca target='_blank' href='http:\u002F\u002Fwww.minsocam.org\u002Fammin\u002FAM72\u002FAM72_67.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":262,"year":263,"html":264,"doi":265},1509,1989,"Janeczek, J. (1989) Manganoan fayalite and products of its alteration from the Strzegom pegmatites, Poland. \u003Ci>Mineralogical Magazine\u003C\u002Fi>,  53 (371) 315-325 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1180\u002Fminmag.1989.053.371.07'>doi:10.1180\u002Fminmag.1989.053.371.07\u003C\u002Fa> \u003Ca target='_blank' href='https:\u002F\u002Frruff.info\u002Fdoclib\u002FMinMag\u002FVolume_53\u002F53-371-315.pdf' class='refpdflink'>\u003C\u002Fa>","10.1180\u002Fminmag.1989.053.371.07",{"id":267,"year":268,"html":269,"doi":11},529109,1991,"Chopelas, A. (1991) Single crystal Raman spectra of forsterite, fayalite, and monticellite. \u003Ci>American Mineralogist\u003C\u002Fi>,  76 (7-8) 1101-1109 \u003Ca target='_blank' href='http:\u002F\u002Fwww.minsocam.org\u002Fammin\u002FAM76\u002FAM76_1101.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":271,"year":272,"html":273,"doi":274},152049,1992,"Mackwell, StephenJ. (1992) Oxidation kinetics of fayalite (Fe2SiO4). \u003Ci>Physics and Chemistry of Minerals\u003C\u002Fi>,  19 (4). 220-228 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1007\u002Fbf00202311'>doi:10.1007\u002Fbf00202311\u003C\u002Fa>","10.1007\u002Fbf00202311",{"id":276,"year":277,"html":278,"doi":279},152285,1995,"Lottermoser, W., Forcher, K., Amthauer, G., Fuess, H. (1995) Powder- and single crystal Mössbauer spectroscopy on synthetic fayalite. \u003Ci>Physics and Chemistry of Minerals\u003C\u002Fi>,  22 (4). 259-267 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1007\u002Fbf00202259'>doi:10.1007\u002Fbf00202259\u003C\u002Fa>","10.1007\u002Fbf00202259",{"id":281,"year":277,"html":282,"doi":283},189250,"Pilati, T., Demartin, F., Gramaccioli, C. M. (1995) Thermal parameters for minerals of the olivine group: their implication on vibrational spectra, thermodynamic functions and transferable force fields. \u003Ci>Acta Crystallographica Section B Structural Science\u003C\u002Fi>,  51 (5) 721-733 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1107\u002Fs0108768194014382'>doi:10.1107\u002Fs0108768194014382\u003C\u002Fa>","10.1107\u002Fs0108768194014382",{"id":285,"year":286,"html":287,"doi":288},152380,1996,"Niemeier, D.; Chakraborty, S.; Becker, K.D. (1996) A high-temperature Mössbauer study of the directional geometry of diffusion in fayalite, Fe2SiO4. \u003Ci>Physics and Chemistry of Minerals\u003C\u002Fi>,  23 (4). 284 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1007\u002Fbf00207769'>doi:10.1007\u002Fbf00207769\u003C\u002Fa>","10.1007\u002Fbf00207769",{"id":290,"year":286,"html":291,"doi":292},152409,"Lottermoser, W., Forcher, K., Amthauer, G., Treutmann, W., Hosoya, S. (1996) Single crystal Mössbauer spectroscopy on the three principal sections of a synthetic fayalite sample in the antiferromagnetic state. \u003Ci>Physics and Chemistry of Minerals\u003C\u002Fi>,  23 (7). 432-438 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1007\u002Fbf00202029'>doi:10.1007\u002Fbf00202029\u003C\u002Fa>","10.1007\u002Fbf00202029",{"id":294,"year":295,"html":296,"doi":297},315,1998,"Redfern, S. A. T., Knight, K. S., Henderson, C. M. B., Wood, B. J. (1998) Fe-Mn cation ordering in fayalite–tephroite (Fe\u003Ci>\u003Csub>x\u003C\u002Fsub>\u003C\u002Fi>Mn\u003Csub>1−\u003Ci>x\u003C\u002Fi>\u003C\u002Fsub>)\u003Csub>2\u003C\u002Fsub>SiO\u003Csub>4\u003C\u002Fsub> olivines: a neutron diffraction study. \u003Ci>Mineralogical Magazine\u003C\u002Fi>,  62 (5) 607-615 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1180\u002F002646198548007'>doi:10.1180\u002F002646198548007\u003C\u002Fa> \u003Ca target='_blank' href='https:\u002F\u002Frruff.info\u002Fdoclib\u002FMinMag\u002FVolume_62\u002F62-5-607.pdf' class='refpdflink'>\u003C\u002Fa>","10.1180\u002F002646198548007",{"id":299,"year":300,"html":301,"doi":11},16964212,2001,"(2001) Fayalite. \u003Ci>Handbook of Mineralogy\u003C\u002Fi>. Mineralogical Society of America \u003Ca target='_blank' href='https:\u002F\u002Fwww.handbookofmineralogy.org\u002Fpdfs\u002Ffayalite.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":303,"year":300,"html":304,"doi":305},16815396,"Ullrich, Kerstin, Becker, Klaus Dieter (2001) Kinetics and diffusion of defects in fayalite, Fe2SiO4. \u003Ci>Solid State Ionics\u003C\u002Fi>,  141. 307-312 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1016\u002Fs0167-2738(01)00796-2'>doi:10.1016\u002Fs0167-2738(01)00796-2\u003C\u002Fa>","10.1016\u002Fs0167-2738(01)00796-2",{"id":307,"year":308,"html":309,"doi":310},153068,2004,"Kolesov, B. A., Geiger, C. A. (2004) A temperature-dependent single-crystal Raman spectroscopic study of fayalite: evidence for phonon-magnetic excitation coupling. \u003Ci>Physics and Chemistry of Minerals\u003C\u002Fi>,  31 (3) 155-161 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1007\u002Fs00269-003-0369-4'>doi:10.1007\u002Fs00269-003-0369-4\u003C\u002Fa>","10.1007\u002Fs00269-003-0369-4",{"id":312,"year":308,"html":313,"doi":314},153069,"Kolesov, B. A.; Geiger, C. A. (2004) A Raman spectroscopic study of Fe-Mg olivines. \u003Ci>Physics and Chemistry of Minerals\u003C\u002Fi>,  31 (3). 142-154 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1007\u002Fs00269-003-0370-y'>doi:10.1007\u002Fs00269-003-0370-y\u003C\u002Fa>","10.1007\u002Fs00269-003-0370-y",{"id":316,"year":317,"html":318,"doi":319},351913,2006,"Kuebler, Karla E., Jolliff, Bradley L., Wang, Alian, Haskin, Larry A. (2006) Extracting olivine (Fo–Fa) compositions from Raman spectral peak positions. \u003Ci>Geochimica et Cosmochimica Acta\u003C\u002Fi>,  70 (24) 6201-6222 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1016\u002Fj.gca.2006.07.035'>doi:10.1016\u002Fj.gca.2006.07.035\u003C\u002Fa>","10.1016\u002Fj.gca.2006.07.035",{"id":321,"year":322,"html":323,"doi":324},154144,2017,"Zhang, Jin S., Hu, Yi, Shelton, Hannah, Kung, Jennifer, Dera, Przemyslaw (2017) Single-crystal X-ray diffraction study of Fe2SiO4 fayalite up to 31 GPa. \u003Ci>Physics and Chemistry of Minerals\u003C\u002Fi>,  44 (3) 171-179 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1007\u002Fs00269-016-0846-1'>doi:10.1007\u002Fs00269-016-0846-1\u003C\u002Fa>","10.1007\u002Fs00269-016-0846-1",[326,336,343,353,358,367,376,385,392,399,407,415,421,427,434,441,447,454,463,472],{"id":327,"source_url":328,"license_code":329,"credit_html":330,"title":331,"description":332,"author":333,"original_width":334,"original_height":335},8360,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=7876741","CC BY-SA 4.0","Didier Descouens, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=7876741\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","FayaliteUSA.jpg","Fayalite with Tridymite balls on Cristobalite. Coso Hot Springs, Coso District (New Coso District), Inyo Co., California, USA - (XX1mm)","Didier Descouens",1573,1342,{"id":337,"source_url":338,"license_code":339,"credit_html":340,"title":7,"description":11,"author":11,"original_width":341,"original_height":342},29701,"https:\u002F\u002Fgeocollections.info\u002Ffile\u002F112661","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\u002F112661\" rel=\"noopener\">Department of Geology, TalTech\u003C\u002Fa> via Europeana",1000,666,{"id":344,"source_url":345,"license_code":346,"credit_html":347,"title":348,"description":349,"author":350,"original_width":351,"original_height":352},54301,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=1021861","CC BY-SA 3.0","WesternDevil, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=1021861\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Fayalite.jpg","Faylite crystal","WesternDevil",800,600,{"id":354,"source_url":355,"license_code":329,"credit_html":356,"title":7,"description":11,"author":11,"original_width":341,"original_height":357},29702,"https:\u002F\u002Fgeocollections.info\u002Ffile\u002F90461","Photo: Unknown author — http:\u002F\u002Fcreativecommons.org\u002Flicenses\u002Fby-sa\u002F4.0\u002F, courtesy of \u003Ca href=\"https:\u002F\u002Fgeocollections.info\u002Ffile\u002F90461\" rel=\"noopener\">The Estonian Museum of Natural History\u003C\u002Fa> via Europeana",783,{"id":359,"source_url":360,"license_code":346,"credit_html":361,"title":362,"description":363,"author":364,"original_width":365,"original_height":366},54303,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=9620642","Fred Kruijen, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=9620642\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Fayalite crystal group - Ochtendung, Eifel, Germany.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FFayalite\" class=\"extiw\" title=\"en:Fayalite\">Fayalite\u003C\u002Fa> crystal group, the biggest one is 0.5x0.5mm - Locality: Wannenköpfe, Ochtendung, Eifel region, Germany","Fred Kruijen",576,432,{"id":368,"source_url":369,"license_code":329,"credit_html":370,"title":371,"description":372,"author":373,"original_width":374,"original_height":375},54316,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=82999577","Tõnis Saadre, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=82999577\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Estonian Museum of Natural History Specimen No 195172 photo (g57 g57-87 jpg).jpg","\"fajaliit\", \"fajaliit\". More info \u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fgeocollections.info\u002Ffile\u002F90461\">about this file\u003C\u002Fa> and \u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fgeocollections.info\u002Fspecimen\u002F195172\">about this specimen\u003C\u002Fa> at \u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fgeocollections.info\u002F\">geocollections.info\u003C\u002Fa>","Tõnis Saadre",2274,1782,{"id":377,"source_url":378,"license_code":346,"credit_html":379,"title":380,"description":381,"author":382,"original_width":383,"original_height":384},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>","Robert M. Lavinsky",385,398,{"id":386,"source_url":387,"license_code":346,"credit_html":388,"title":389,"description":390,"author":382,"original_width":352,"original_height":391},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":393,"source_url":394,"license_code":346,"credit_html":395,"title":396,"description":397,"author":382,"original_width":352,"original_height":398},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":400,"source_url":401,"license_code":346,"credit_html":402,"title":403,"description":404,"author":382,"original_width":405,"original_height":406},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>",386,400,{"id":408,"source_url":409,"license_code":346,"credit_html":410,"title":411,"description":412,"author":364,"original_width":413,"original_height":414},54304,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=9620683","Fred Kruijen, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=9620683\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Fayalite between Sanidine - Ochtendung, Eifel, Germany.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FFayalite\" class=\"extiw\" title=\"en:Fayalite\">Fayalite\u003C\u002Fa> (0.5x0.7mm) between Sanidine crystals - Locality: Wannenköpfe, Ochtendung, Eifel region, Germany",807,605,{"id":416,"source_url":417,"license_code":346,"credit_html":418,"title":419,"description":420,"author":382,"original_width":352,"original_height":398},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>",{"id":422,"source_url":423,"license_code":346,"credit_html":424,"title":425,"description":381,"author":382,"original_width":426,"original_height":384},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":428,"source_url":429,"license_code":346,"credit_html":430,"title":431,"description":432,"author":382,"original_width":433,"original_height":406},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":435,"source_url":436,"license_code":346,"credit_html":437,"title":438,"description":439,"author":382,"original_width":352,"original_height":440},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":442,"source_url":443,"license_code":346,"credit_html":444,"title":445,"description":381,"author":382,"original_width":406,"original_height":446},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",300,{"id":448,"source_url":449,"license_code":346,"credit_html":450,"title":451,"description":452,"author":382,"original_width":352,"original_height":453},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":455,"source_url":456,"license_code":329,"credit_html":457,"title":458,"description":459,"author":460,"original_width":461,"original_height":462},9305,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=88020106","Zbynek Burival, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=88020106\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Olivine nodule in basalt from Smrčí, Czech Republic.jpg","Green olivine nodule (mantle xenolith) in basalt from Smrčí, Czech Republic. The dominant olivine component is forsterite over minor fayalite, the rest of nodule is made of smaller amount of pyroxene and spinel. Size of the specimen 9x7.5 cm.","Zbynek Burival",5184,3888,{"id":464,"source_url":465,"license_code":346,"credit_html":466,"title":467,"description":468,"author":469,"original_width":470,"original_height":471},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",2000,1538,{"id":473,"source_url":474,"license_code":346,"credit_html":475,"title":476,"description":477,"author":382,"original_width":352,"original_height":478},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,[480,487,493,498,503],{"id":481,"url":482,"label":483,"formula":484,"spacegroup":485,"year":486},4358,"\u002Fcif\u002F4358.cif","Lottermoser 2002","Fe2 Si O4","P n m a",2002,{"id":488,"url":489,"label":490,"formula":491,"spacegroup":492,"year":295},4359,"\u002Fcif\u002F4359.cif","Redfern 1998 · (Mn Fe) Si O4","(Mn Fe) Si O4","P b n m",{"id":494,"url":495,"label":496,"formula":497,"spacegroup":492,"year":295},4360,"\u002Fcif\u002F4360.cif","Redfern 1998 · (Mn.6 Fe1.4) Si O4","(Mn.6 Fe1.4) Si O4",{"id":499,"url":500,"label":501,"formula":484,"spacegroup":492,"year":502},4361,"\u002Fcif\u002F4361.cif","Kudoh 1986",1986,{"id":504,"url":505,"label":506,"formula":484,"spacegroup":492,"year":236},4367,"\u002Fcif\u002F4367.cif","Fujino 1981",[508,509,510,511,512],"Eisenglas","Eisenperidot","Faialit","Fe-rich olivine","Iron-Chrysolite",[514,518,522,527,532,536,540,543,547,550,554,558,563,567,571,574,578,582,585,589,593,597,601,604,608,612,617,621,626,630,634,638,641,645,648,651,655,658,661],{"lang":515,"names":516},"ar",[517],"فاياليت",{"lang":519,"names":520},"az",[521],"Fayalit",{"lang":523,"names":524},"ca",[525,526],"faialita","fayalita",{"lang":528,"names":529},"de",[521,530,531],"Hortonolith","Knebelit",{"lang":533,"names":534},"el",[535],"Φαϋαλίτης",{"lang":537,"names":538},"eo",[539],"Fajalito",{"lang":541,"names":542},"es",[526],{"lang":544,"names":545},"et",[546],"fajaliit",{"lang":548,"names":549},"eu",[525],{"lang":551,"names":552},"fa",[553],"فایالیت",{"lang":555,"names":556},"fi",[557],"fayaliitti",{"lang":559,"names":560},"fr",[561,562],"fayalite","péridot ferrugineux",{"lang":564,"names":565},"he",[566],"פאיאליט",{"lang":568,"names":569},"id",[570],"fayalit",{"lang":572,"names":573},"it",[7],{"lang":575,"names":576},"ja",[577],"鉄カンラン石",{"lang":579,"names":580},"kk",[581],"Фаялит",{"lang":583,"names":584},"ky",[581],{"lang":586,"names":587},"lt",[588],"fajalitas",{"lang":590,"names":591},"mk",[592],"Фајалит",{"lang":594,"names":595},"nb",[596],"fayalitt",{"lang":598,"names":599},"nl",[600],"fayaliet",{"lang":602,"names":603},"nn",[596],{"lang":605,"names":606},"no",[607],"Fayalitt",{"lang":609,"names":610},"pl",[611],"Fajalit",{"lang":613,"names":614},"pt",[615,616],"Faialita","faialite",{"lang":618,"names":619},"ru",[620],"фаялит",{"lang":622,"names":623},"se",[624,625],"fajalihtta","fayalihtta",{"lang":627,"names":628},"sl",[629],"fajalit",{"lang":631,"names":632},"smn",[546,633],"fayaliit",{"lang":635,"names":636},"sms",[637,596],"fajalitt",{"lang":639,"names":640},"tr",[521],{"lang":642,"names":643},"uk",[644],"фаяліт",{"lang":646,"names":647},"uz",[521],{"lang":649,"names":650},"vi",[521],{"lang":652,"names":653},"zh",[654],"铁橄榄石",{"lang":656,"names":657},"zh-cn",[654],{"lang":659,"names":660},"zh-hans",[654],{"lang":662,"names":663},"zh-hant",[664],"鐵橄欖石","Q411130",{"history":11,"applications":11}]