[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"minerals:one:1668":3},{"id":4,"longid":5,"guid":6,"name":7,"shortcode_ima":8,"entrytype":9,"entrytype_text":10,"varietyof":11,"synid":11,"polytypeof":11,"groupid":12,"weighting":13,"nolocadd":14,"blacklisted":14,"mindat_formula":15,"mindat_formula_note":11,"ima_formula":16,"elements":17,"sigelements":22,"key_elements":11,"impurities":23,"cim":24,"ima_status":25,"ima_notes":11,"ima_history":11,"approval_year":11,"publication_year":11,"discovery_year":28,"strunz10ed1":29,"strunz10ed2":30,"strunz10ed3":30,"strunz10ed4":31,"dana8ed1":32,"dana8ed2":33,"dana8ed3":34,"dana8ed4":35,"csystem":36,"cclass":37,"spacegroup":38,"spacegroupset":39,"a":40,"b":39,"c":41,"alpha":39,"beta":39,"gamma":39,"aerror":42,"berror":11,"cerror":43,"alphaerror":11,"betaerror":11,"gammaerror":11,"va3":11,"z":44,"csmetamict":14,"commentcrystal":45,"twinning":11,"tranglide":11,"parting":11,"epitaxidescription":11,"morphology":11,"tlform":11,"hmin":46,"hmax":47,"hardtype":11,"vhnmin":39,"vhnmax":39,"vhnerror":11,"vhng":11,"vhns":11,"commenthard":11,"dmeas":39,"dmeas2":39,"dcalc":39,"dmeaserror":11,"dcalcerror":11,"commentdense":11,"lustre":11,"lustretype":48,"commentluster":11,"diapheny":11,"streak":49,"colour":50,"commentcolor":11,"colors":51,"streak_colors":58,"luminescence":11,"uv":11,"cleavage":11,"cleavagetype":59,"fracturetype":11,"tenacity":11,"commentbreak":11,"opticaltype":60,"opticalsign":61,"opticalalpha":39,"opticalalpha2":39,"opticalalphaerror":11,"opticalbeta":39,"opticalbeta2":39,"opticalbetaerror":11,"opticalgamma":39,"opticalgamma2":39,"opticalgammaerror":11,"opticalomega":62,"opticalomega2":39,"opticalomegaerror":11,"opticalepsilon":63,"opticalepsilon2":39,"opticalepsilonerror":11,"opticaln":39,"opticaln2":39,"opticalnerror":11,"optical2vcalc":39,"optical2vcalc2":39,"optical2vcalcerror":11,"optical2vmeasured":39,"optical2vmeasured2":39,"optical2vmeasurederror":11,"rimin":64,"rimax":65,"opticaldispersion":11,"opticalpleochroism":11,"opticalpleochorismdesc":11,"opticalbirefringence":11,"opticalcomments":11,"opticalcolour":11,"opticalinternal":11,"opticaltropic":11,"opticalanisotropism":11,"opticalbireflectance":11,"opticalextinction":11,"opticalr":11,"specdispm":11,"ir":11,"electrical":11,"magnetism":11,"thermalbehaviour":11,"other":11,"industrial":11,"occurrence":11,"otheroccurrence":11,"type_specimen_store":11,"description_short":66,"aboutname":67,"rock_parent":11,"rock_parent2":11,"rock_root":9,"rock_bgs_code":11,"meteoritical_code":11,"updttime":68,"reviewed_at":11,"variety_of":11,"varieties":69,"group_members":70,"associates":128,"confused_with":159,"type_localities":160,"occurrence_total":165,"citations":166,"images":269,"structures":326,"synonyms":349,"language_names":352,"wikidata_qid":406,"texts":407},1668,"1:1:1668:7","d184827f-d342-456f-9d83-961daa2a898d","Gehlenite","Gh",0,"mineral",null,29310,1075,false,"Ca\u003Csub>2\u003C\u002Fsub>Al[AlSiO\u003Csub>7\u003C\u002Fsub>]","Ca\u003Csub>2\u003C\u002Fsub>Al(SiAl)O\u003Csub>7\u003C\u002Fsub>",[18,19,20,21],"Al","Ca","Si","O",[18,19,20,21],",Ti,Fe,Mg,Mn,Na,K,,","16.9.1",[26,27],"APPROVED","GRANDFATHERED","1815","9","B","10","55","4","1","2","Tetragonal",24,146,"0","7.6850","5.0636",4,3,2,"Synthetic material.",5,6,"Vitreous,Greasy","white, grey-white","yellow-brown, colourless, greenish grey",[52,53,54,55,56,57],"yellow","brown","colorless","gray","green","white",[57,55],"Distinct\u002FGood","Uniaxial","-","1.67","1.66",1.66,1.67,"Gehlenite-Åkermanite Series.\r\n\r\nChemically very similar to bicchulite and kamaishilite (both hydrous, however).","Named in 1815 by Johann Nepomuk von Fuchs in honor of Adolf Ferdinand Gehlen [5 September 1775 Bütow, Outer Pomerania, Prussia (Bytów, Poland) - 16 July 1815]. Gehlen was editor and publisher of publisher of Neues Allgemeines Journal der Chemie (1803–06), Journal für Chemie und Physik (1806-10) and the Repetitorium für die Pharmacie. He was initially a chemistry professor at the University of Halle (Martin-Luther-Universität Halle-Wittenberg) and later chemist at the Bavarian Academy of Sciences. He died early due to arsenic poisoning.","2025-08-11 12:14:20",[],[71,79,88,94,99,107,115,121],{"id":72,"name":73,"entrytype":9,"csystem":36,"ima_formula":74,"mindat_formula":75,"hmin":46,"hmax":47,"dmeas":76,"dcalc":77,"primary_image_id":78},70,"Åkermanite","Ca\u003Csub>2\u003C\u002Fsub>MgSi\u003Csub>2\u003C\u002Fsub>O\u003Csub>7\u003C\u002Fsub>","Ca\u003Csub>2\u003C\u002Fsub>Mg[Si\u003Csub>2\u003C\u002Fsub>O\u003Csub>7\u003C\u002Fsub>]","2.944","2.922",473,{"id":80,"name":81,"entrytype":9,"csystem":36,"ima_formula":82,"mindat_formula":83,"hmin":84,"hmax":46,"dmeas":85,"dcalc":86,"primary_image_id":87},39212,"Alumoåkermanite","(Ca,Na)\u003Csub>2\u003C\u002Fsub>(Al,Mg,Fe\u003Csup>2+\u003C\u002Fsup>)(Si\u003Csub>2\u003C\u002Fsub>O\u003Csub>7\u003C\u002Fsub>)","(CaNa)Al[Si\u003Csub>2\u003C\u002Fsub>O\u003Csub>7\u003C\u002Fsub>]",4.5,"2.96","3.00",997,{"id":89,"name":90,"entrytype":9,"csystem":36,"ima_formula":91,"mindat_formula":92,"hmin":46,"hmax":46,"dmeas":11,"dcalc":93,"primary_image_id":11},54030,"Bennesherite","Ba\u003Csub>2\u003C\u002Fsub>Fe\u003Csup>2+\u003C\u002Fsup>Si\u003Csub>2\u003C\u002Fsub>O\u003Csub>7\u003C\u002Fsub>","Ba\u003Csub>2\u003C\u002Fsub>Fe\u003Csup>2+\u003C\u002Fsup>[Si\u003Csub>2\u003C\u002Fsub>O\u003Csub>7\u003C\u002Fsub>]","4.39",{"id":95,"name":96,"entrytype":9,"csystem":36,"ima_formula":11,"mindat_formula":97,"hmin":84,"hmax":46,"dmeas":11,"dcalc":98,"primary_image_id":11},471953,"Ferroåkermanite","Ca\u003Csub>2\u003C\u002Fsub>Fe[Si\u003Csub>2\u003C\u002Fsub>O\u003Csub>7\u003C\u002Fsub>]","3.20",{"id":100,"name":101,"entrytype":9,"csystem":36,"ima_formula":102,"mindat_formula":103,"hmin":46,"hmax":46,"dmeas":104,"dcalc":105,"primary_image_id":106},1769,"Gugiaite","Ca\u003Csub>2\u003C\u002Fsub>BeSi\u003Csub>2\u003C\u002Fsub>O\u003Csub>7\u003C\u002Fsub>","Ca\u003Csub>2\u003C\u002Fsub>Be[Si\u003Csub>2\u003C\u002Fsub>O\u003Csub>7\u003C\u002Fsub>]","3.0336","3.03",10562,{"id":108,"name":109,"entrytype":9,"csystem":36,"ima_formula":110,"mindat_formula":111,"hmin":43,"hmax":42,"dmeas":112,"dcalc":113,"primary_image_id":114},1818,"Hardystonite","Ca\u003Csub>2\u003C\u002Fsub>ZnSi\u003Csub>2\u003C\u002Fsub>O\u003Csub>7\u003C\u002Fsub>","Ca\u003Csub>2\u003C\u002Fsub>Zn[Si\u003Csub>2\u003C\u002Fsub>O\u003Csub>7\u003C\u002Fsub>]","3.396","3.42",10854,{"id":116,"name":117,"entrytype":9,"csystem":36,"ima_formula":118,"mindat_formula":119,"hmin":46,"hmax":46,"dmeas":11,"dcalc":120,"primary_image_id":11},47040,"Hydroxylgugiaite","(Ca\u003Csub>3\u003C\u002Fsub>◻)\u003Csub>E4\u003C\u002Fsub>(Si\u003Csub>3.5\u003C\u002Fsub>Be\u003Csub>2.5\u003C\u002Fsub>)\u003Csub>E6\u003C\u002Fsub>O\u003Csub>11\u003C\u002Fsub>(OH)\u003Csub>3\u003C\u002Fsub>","(Ca,◻)\u003Csub>2\u003C\u002Fsub>(Si,Be)[(Be,Si)\u003Csub>2\u003C\u002Fsub>O\u003Csub>5.5\u003C\u002Fsub>(OH)\u003Csub>1.5\u003C\u002Fsub>]","2.79",{"id":122,"name":123,"entrytype":9,"csystem":36,"ima_formula":124,"mindat_formula":125,"hmin":126,"hmax":126,"dmeas":39,"dcalc":127,"primary_image_id":11},7202,"Okayamalite","Ca\u003Csub>2\u003C\u002Fsub>B\u003Csub>2\u003C\u002Fsub>SiO\u003Csub>7\u003C\u002Fsub>","Ca\u003Csub>2\u003C\u002Fsub>B[BSiO\u003Csub>7\u003C\u002Fsub>]",5.5,"3.30",[129,134,143,150],{"id":130,"name":131,"entrytype":9,"csystem":36,"ima_formula":11,"mindat_formula":132,"hmin":43,"hmax":42,"dmeas":11,"dcalc":133,"primary_image_id":11},470833,"Alfredcasparite","Sr\u003Csub>2\u003C\u002Fsub>TiO(Si\u003Csub>2\u003C\u002Fsub>O\u003Csub>7\u003C\u002Fsub>)","3.950",{"id":135,"name":136,"entrytype":9,"csystem":137,"ima_formula":138,"mindat_formula":139,"hmin":47,"hmax":47,"dmeas":140,"dcalc":141,"primary_image_id":142},2333,"Larnite","Monoclinic","Ca\u003Csub>2\u003C\u002Fsub>(SiO\u003Csub>4\u003C\u002Fsub>)","Ca\u003Csub>2\u003C\u002Fsub>SiO\u003Csub>4\u003C\u002Fsub>","3.28","3.326",80360,{"id":144,"name":145,"entrytype":9,"csystem":146,"ima_formula":147,"mindat_formula":147,"hmin":46,"hmax":126,"dmeas":105,"dcalc":148,"primary_image_id":149},2768,"Monticellite","Orthorhombic","CaMg(SiO\u003Csub>4\u003C\u002Fsub>)","3.058",13377,{"id":151,"name":152,"entrytype":9,"csystem":153,"ima_formula":154,"mindat_formula":155,"hmin":156,"hmax":156,"dmeas":157,"dcalc":158,"primary_image_id":11},4239,"Walstromite","Triclinic","BaCa\u003Csub>2\u003C\u002Fsub>Si\u003Csub>3\u003C\u002Fsub>O\u003Csub>9\u003C\u002Fsub>","BaCa\u003Csub>2\u003C\u002Fsub>(Si\u003Csub>3\u003C\u002Fsub>O\u003Csub>9\u003C\u002Fsub>)",3.5,"3.67","3.738",[],[161],{"id":162,"txt":163,"latitude":11,"longitude":11,"country":164},5554,"Monzoni-Vallaccia Mountains, Trento Province, Trentino-Alto Adige\u002FSüdtirol, Italy","Italy",119,[167,170,175,179,184,188,193,198,203,208,212,217,221,225,230,235,240,244,249,254,259,264],{"id":168,"year":11,"html":169,"doi":11},18753025,"Fuchs J N (1815) Ueber den Gehlenit, ein neues Mineral aus Tirol. Journal für Chemie und Physik 15, 377-386",{"id":171,"year":172,"html":173,"doi":174},1153674,1941,"Osborn, E. F., Schairer, J. F. (1941) The ternary system pseudowollastonite-akermanite-gehlenite. \u003Ci>American Journal of Science\u003C\u002Fi>,  239 (10) 715-763 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.2475\u002Fajs.239.10.715'>doi:10.2475\u002Fajs.239.10.715\u003C\u002Fa>","10.2475\u002Fajs.239.10.715",{"id":176,"year":177,"html":178,"doi":11},18420755,1962,"Christie, O.H.J. (1962) On sub solidus relations of silicates. IV. The systems åkermanite - sodium-gehlenite and gehlenite - sodium gehlenite. \u003Ci>Norsk Geologisk Tidsskrift [Norwegian Journal of Geology]\u003C\u002Fi>,  42 (1-2). 31-44 \u003Ca target='_blank' href='https:\u002F\u002Fforeninger.uio.no\u002Fngf\u002Fngt\u002Fpdfs\u002FNGT_42_1&2_031-044.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":180,"year":181,"html":182,"doi":183},5728911,1970,"Hirschberg, A. (1970) The melting curve of gehlenite. \u003Ci>Die Naturwissenschaften\u003C\u002Fi>, 57 (1). 37 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1007\u002Fbf00593553'>doi:10.1007\u002Fbf00593553\u003C\u002Fa>","10.1007\u002Fbf00593553",{"id":185,"year":186,"html":187,"doi":11},16110198,1971,"Louisnathan, S.J. (1971), Refinement of the crystal structure of a natural gehlenite, Ca2Al(Al,Si)2O7: Canadian Mineralogist: 10: 822-837.",{"id":189,"year":190,"html":191,"doi":192},5730817,1973,"Hoschek, G. (1973) Experimental formation of gehlenite from anorthite + calcite. \u003Ci>Die Naturwissenschaften\u003C\u002Fi>, 60 (12). 548 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1007\u002Fbf01178337'>doi:10.1007\u002Fbf01178337\u003C\u002Fa>","10.1007\u002Fbf01178337",{"id":194,"year":195,"html":196,"doi":197},74092,1974,"Hoschek, Gert (1974) Gehlenite stability in the system CaO-Al2O3-SiO2-H2O-CO2. \u003Ci>Contributions to Mineralogy and Petrology\u003C\u002Fi>,  47 (4) 245-254 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1007\u002Fbf00390149'>doi:10.1007\u002Fbf00390149\u003C\u002Fa>","10.1007\u002Fbf00390149",{"id":199,"year":200,"html":201,"doi":202},9983469,1978,"Marotta, A., Buri, A., Valenti, G. L. (1978) Crystallization kinetics of gehlenite glass. \u003Ci>Journal of Materials Science\u003C\u002Fi>, 13. 2483-2486 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1007\u002Fbf00808065'>doi:10.1007\u002Fbf00808065\u003C\u002Fa>","10.1007\u002Fbf00808065",{"id":204,"year":205,"html":206,"doi":207},340042,1981,"Charlu, T.V., Newton, R.C., Kleppa, O.J. (1981) Thermochemistry of synthetic Ca2Al2SiO7 (gehlenite)-Ca2MgSi2O7 (åkermanite) melilites. \u003Ci>Geochimica et Cosmochimica Acta\u003C\u002Fi>,  45 (9) 1609-1617 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1016\u002F0016-7037(81)90289-1'>doi:10.1016\u002F0016-7037(81)90289-1\u003C\u002Fa>","10.1016\u002F0016-7037(81)90289-1",{"id":209,"year":205,"html":210,"doi":211},2753095,"Finch, C.B., Ball, F.L., Bates, J.B. (1981) Czochralski growth of single-crystal gehlenite (Ca2Al2SiO7). \u003Ci>Journal of Crystal Growth\u003C\u002Fi>, 54 (3). 482-484 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1016\u002F0022-0248(81)90502-9'>doi:10.1016\u002F0022-0248(81)90502-9\u003C\u002Fa>","10.1016\u002F0022-0248(81)90502-9",{"id":213,"year":214,"html":215,"doi":216},4570221,1982,"Kimata, M., Ii, N. Ibaraki (1982) The structural property of synthetic gehlenite, Ca2Al2SiO7. \u003Ci>Neues Jahrbuch für Mineralogie - Abhandlungen\u003C\u002Fi>, 144 (3). 254-267 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1127\u002Fnjma\u002F144\u002F1982\u002F254'>doi:10.1127\u002Fnjma\u002F144\u002F1982\u002F254\u003C\u002Fa>","10.1127\u002Fnjma\u002F144\u002F1982\u002F254",{"id":218,"year":219,"html":220,"doi":11},527839,1983,"Sharma, Shiv K., Simons, Bruno, Yoder, H. S. (1983) Raman study of anorthite, calcium Tschermak's pyroxene, and gehlenite in crystalline and glassy states. \u003Ci>American Mineralogist\u003C\u002Fi>,  68 (11-12) 1113-1125 \u003Ca target='_blank' href='http:\u002F\u002Fwww.minsocam.org\u002Fammin\u002FAM68\u002FAM68_1113.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":222,"year":223,"html":224,"doi":11},527902,1984,"Hemingway, Bruce S., Robie, Richard A. (1984) Heat capacity and thermodynamic functions for gehlenite and staurolite: with comments on the Schottky anomaly in the heat capacity of staurolite. \u003Ci>American Mineralogist\u003C\u002Fi>,  69 (3-4) 307-318 \u003Ca target='_blank' href='http:\u002F\u002Fwww.minsocam.org\u002Fammin\u002FAM69\u002FAM69_307.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":226,"year":227,"html":228,"doi":229},81748,1987,"HENMI, Chiyoko (1987) A hydrothermal experiment for retrograde change of gehlenite. \u003Ci>Mineralogical Journal\u003C\u002Fi>,  13 (6) 347-367 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.2465\u002Fminerj.13.347'>doi:10.2465\u002Fminerj.13.347\u003C\u002Fa>","10.2465\u002Fminerj.13.347",{"id":231,"year":232,"html":233,"doi":234},89497,1991,"ONUMA, KOSUKE, MORIDAIRA, HIDEYA (1991) The system diopside-akermanite-gehlenite at 1 atm. \u003Ci>Journal of Mineralogy, Petrology and Economic Geology\u003C\u002Fi>,  86 (12) 554-559 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.2465\u002Fganko.86.554'>doi:10.2465\u002Fganko.86.554\u003C\u002Fa> \u003Ca target='_blank' href='https:\u002F\u002Fwww.jstage.jst.go.jp\u002Farticle\u002Fganko1988\u002F86\u002F12\u002F86_12_554\u002F_pdf' class='refpdflink'>\u003C\u002Fa>","10.2465\u002Fganko.86.554",{"id":236,"year":237,"html":238,"doi":239},152043,1992,"Swainson, Ian P., Dove, Martin T., Schmahl, Wolfgang W., Putnis, Andrew (1992) Neutron powder diffraction study of the åkermanite-gehlenite solid solution series. \u003Ci>Physics and Chemistry of Minerals\u003C\u002Fi>,  19 (3). 185-195 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1007\u002Fbf00202107'>doi:10.1007\u002Fbf00202107\u003C\u002Fa>","10.1007\u002Fbf00202107",{"id":241,"year":242,"html":243,"doi":11},16964533,2001,"(2001) Gehlenite. \u003Ci>Handbook of Mineralogy\u003C\u002Fi>. Mineralogical Society of America \u003Ca target='_blank' href='https:\u002F\u002Fwww.handbookofmineralogy.org\u002Fpdfs\u002Fgehlenite.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":245,"year":246,"html":247,"doi":248},152875,2002,"Bouhifd, M. A., Gruener, G., Mysen, B. O., Richet, P. (2002) Premelting and calcium mobility in gehlenite (Ca2Al2SiO7) and parawollastonite (CaSiO3). \u003Ci>Physics and Chemistry of Minerals\u003C\u002Fi>,  29 (10). 655-662 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1007\u002Fs00269-002-0276-0'>doi:10.1007\u002Fs00269-002-0276-0\u003C\u002Fa>","10.1007\u002Fs00269-002-0276-0",{"id":250,"year":251,"html":252,"doi":253},17106290,2003,"Traoré, Karfa, Blanchart, Philippe (2003) Structural transformation of a kaolinite and calcite mixture to gehlenite and anorthite. \u003Ci>Journal of Materials Research\u003C\u002Fi>,  18 (2) 475-481 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1557\u002Fjmr.2003.0060'>doi:10.1557\u002Fjmr.2003.0060\u003C\u002Fa>","10.1557\u002Fjmr.2003.0060",{"id":255,"year":256,"html":257,"doi":258},395649,2007,"Gemmi, M., Merlini, M., Cruciani, G., Artioli, G. (2007) Non-ideality and defectivity of the åkermanite-gehlenite solid solution: An X-ray diffraction and TEM study. \u003Ci>American Mineralogist\u003C\u002Fi>,  92 (10). 1685-1694 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.2138\u002Fam.2007.2380'>doi:10.2138\u002Fam.2007.2380\u003C\u002Fa>","10.2138\u002Fam.2007.2380",{"id":260,"year":261,"html":262,"doi":263},396270,2009,"Merlini, M., Gemmi, M., Hanfland, M., Crichton, W. (2009) High-pressure behavior of akermanite and gehlenite and phase stability of the normal structure in melilites. \u003Ci>American Mineralogist\u003C\u002Fi>,  94 (5) 704-709 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.2138\u002Fam.2009.3072'>doi:10.2138\u002Fam.2009.3072\u003C\u002Fa> \u003Ca target='_blank' href='https:\u002F\u002Frruff.info\u002Fdoclib\u002Fam\u002Fvol94\u002FAM94_704.pdf' class='refpdflink'>\u003C\u002Fa>","10.2138\u002Fam.2009.3072",{"id":265,"year":266,"html":267,"doi":268},16551647,2018,"Perná, Ivana, Šupová, Monika, Hanzlíček, Tomáš (2018) Gehlenite and anorthite formation from fluid fly ash. \u003Ci>Journal of Molecular Structure\u003C\u002Fi>,  1157. 476-481 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1016\u002Fj.molstruc.2017.12.084'>doi:10.1016\u002Fj.molstruc.2017.12.084\u003C\u002Fa>","10.1016\u002Fj.molstruc.2017.12.084",[270,280,287,293,303,311,318],{"id":271,"source_url":272,"license_code":273,"credit_html":274,"title":275,"description":276,"author":277,"original_width":278,"original_height":279},9727,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10438649","CC BY-SA 3.0","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10438649\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Gehlenite-sea65a.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FGehlenite\" class=\"extiw\" title=\"en:Gehlenite\">Gehlenite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Monzoni Mts, Fassa Valley, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FProvince_of_Trento\" class=\"extiw\" title=\"en:Province of Trento\">Trento Province\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FTrentino-Alto_Adige\u002FS%C3%BCdtirol\" class=\"extiw\" title=\"en:Trentino-Alto Adige\u002FSüdtirol\">Trentino-Alto Adige\u003C\u002Fa>, Italy (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-5554.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: miniature, 4.3 x 3.7 x 2.2 cm\n\u003Cdl>\u003Cdt>Gehlenite\u003C\u002Fdt>\u003C\u002Fdl>\u003C\u002Fdd>\n\u003Cdd>A nice miniature featuring sharp crystals of gehlenite to 6mm, from the type locality for this calcium aluminosilicate species. Ex. John White Collection.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>","Robert M. Lavinsky",800,686,{"id":281,"source_url":282,"license_code":273,"credit_html":283,"title":284,"description":276,"author":277,"original_width":285,"original_height":286},9728,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10438651","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10438651\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Gehlenite-sea65c.jpg",717,725,{"id":288,"source_url":289,"license_code":273,"credit_html":290,"title":291,"description":276,"author":277,"original_width":278,"original_height":292},9729,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10438653","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10438653\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Gehlenite-sea65b.jpg",484,{"id":294,"source_url":295,"license_code":296,"credit_html":297,"title":298,"description":299,"author":300,"original_width":301,"original_height":302},56286,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=73807780","CC BY-SA 4.0","Daniele.51, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=73807780\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Gehlenite.jpg","Gehlenite, Lago delle Selle, Monte Monzoni","Daniele.51",1329,987,{"id":304,"source_url":305,"license_code":273,"credit_html":306,"title":307,"description":308,"author":277,"original_width":309,"original_height":310},3239,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10165719","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10165719\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Bicchulite-Gehlenite-242595.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FBicchulite\" class=\"extiw\" title=\"en:Bicchulite\">Bicchulite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FGehlenite\" class=\"extiw\" title=\"en:Gehlenite\">Gehlenite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Fuka mine, Bitchu-cho (Bicchu-cho), \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FTakahashi\" class=\"extiw\" title=\"en:Takahashi\">Takahashi\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FOkayama_Prefecture\" class=\"extiw\" title=\"en:Okayama Prefecture\">Okayama Prefecture\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FCh%C5%ABgoku_region\" class=\"extiw\" title=\"en:Chūgoku region\">Chugoku Region\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FHonsh%C5%AB\" class=\"extiw\" title=\"en:Honshū\">Honshu Island\u003C\u002Fa>, Japan (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-2202.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 8.5 x 7.3 x 3.9 cm.\u003C\u002Fdd>\n\u003Cdd>Bicchulite is a very rare calcium silicate and this very rich and showy specimen is from the Type Locality - the Fuka Mine of Japan. Sharp, gray, rectangular crystals to 4 mm of bicchulite pseudomorphs after gehlenite crystals richly cover the quartz-rich matrix on this specimen. Gehlenite is also a very rare calcium silicate. The Fuka Mine recovered high grade calcite for the toothpaste industry and is noted for interesting high temperature boron species.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",672,750,{"id":312,"source_url":313,"license_code":273,"credit_html":314,"title":315,"description":308,"author":277,"original_width":316,"original_height":317},3240,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10165720","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10165720\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Bicchulite-Gehlenite-242596.jpg",600,551,{"id":319,"source_url":320,"license_code":296,"credit_html":321,"title":322,"description":323,"author":324,"original_width":325,"original_height":325},56287,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=128073842","Reinhard Kraasch, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=128073842\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Gehlenit mit Calcit (RK 2206 P1890050).jpg","\u003Ca href=\"https:\u002F\u002Fde.wikipedia.org\u002Fwiki\u002FGehlenit\" class=\"extiw\" title=\"de:Gehlenit\">Gehlenit\u003C\u002Fa> mit \u003Ca href=\"https:\u002F\u002Fde.wikipedia.org\u002Fwiki\u002FCalcit\" class=\"extiw\" title=\"de:Calcit\">Calcit\u003C\u002Fa> vom Monzoniberg, Trentino, Italien – ausgestellt im \u003Ca href=\"https:\u002F\u002Fde.wikipedia.org\u002Fwiki\u002FMineralogisches_Museum_W%C3%BCrzburg\" class=\"extiw\" title=\"de:Mineralogisches Museum Würzburg\">Mineralogischen Museum Würzburg\u003C\u002Fa>","Reinhard Kraasch",1774,[327,333,338,343],{"id":328,"url":329,"label":330,"formula":331,"spacegroup":332,"year":237},5470,"\u002Fcif\u002F5470.cif","Swainson 1992 · Ca2 Al2.06 Si.95 O7","Ca2 Al2.06 Si.95 O7","P -4 21 m",{"id":334,"url":335,"label":336,"formula":337,"spacegroup":332,"year":237},5471,"\u002Fcif\u002F5471.cif","Swainson 1992 · Ca2 Mg.21 Al1.54 Si1.24 O7","Ca2 Mg.21 Al1.54 Si1.24 O7",{"id":339,"url":340,"label":341,"formula":342,"spacegroup":332,"year":186},5472,"\u002Fcif\u002F5472.cif","Louisnathan 1971","Ca2 Al1.91 Mg.05 Fe.02 Si1.02 O7",{"id":344,"url":345,"label":346,"formula":347,"spacegroup":332,"year":348},5473,"\u002Fcif\u002F5473.cif","Raaz 1930","Ca2 Al2 Si O7",1930,[350,351],"Adiaphanspat","Velardenite",[353,357,361,365,369,372,376,380,384,387,391,395,399,402],{"lang":354,"names":355},"ca",[356],"gehlenita",{"lang":358,"names":359},"de",[360],"Gehlenit",{"lang":362,"names":363},"es",[364],"Gehlenita",{"lang":366,"names":367},"et",[368],"geleniit",{"lang":370,"names":371},"eu",[364],{"lang":373,"names":374},"fa",[375],"ژهلنیت",{"lang":377,"names":378},"fr",[379,351],"Gehlénite",{"lang":381,"names":382},"he",[383],"גהלניט",{"lang":385,"names":386},"it",[7],{"lang":388,"names":389},"ja",[390],"ゲーレン石",{"lang":392,"names":393},"nl",[394],"Gehleniet",{"lang":396,"names":397},"uk",[398],"Ґеленіт",{"lang":400,"names":401},"vi",[360],{"lang":403,"names":404},"zh",[405],"钙铝黄长石","Q418483",{"history":11,"applications":11}]