[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"minerals:one:32187":3},{"id":4,"longid":5,"guid":6,"name":7,"shortcode_ima":8,"entrytype":9,"entrytype_text":10,"varietyof":11,"synid":8,"polytypeof":8,"groupid":12,"weighting":13,"nolocadd":14,"blacklisted":14,"mindat_formula":15,"mindat_formula_note":8,"ima_formula":8,"elements":16,"sigelements":20,"key_elements":8,"impurities":8,"cim":8,"ima_status":8,"ima_notes":8,"ima_history":8,"approval_year":8,"publication_year":8,"discovery_year":8,"strunz10ed1":21,"strunz10ed2":21,"strunz10ed3":21,"strunz10ed4":8,"dana8ed1":8,"dana8ed2":8,"dana8ed3":8,"dana8ed4":8,"csystem":8,"cclass":8,"spacegroup":8,"spacegroupset":21,"a":8,"b":8,"c":8,"alpha":8,"beta":8,"gamma":8,"aerror":8,"berror":8,"cerror":8,"alphaerror":8,"betaerror":8,"gammaerror":8,"va3":8,"z":8,"csmetamict":14,"commentcrystal":8,"twinning":8,"tranglide":8,"parting":8,"epitaxidescription":8,"morphology":8,"tlform":8,"hmin":8,"hmax":8,"hardtype":8,"vhnmin":21,"vhnmax":21,"vhnerror":8,"vhng":8,"vhns":8,"commenthard":8,"dmeas":21,"dmeas2":21,"dcalc":21,"dmeaserror":8,"dcalcerror":8,"commentdense":8,"lustre":8,"lustretype":22,"commentluster":23,"diapheny":24,"streak":8,"colour":8,"commentcolor":8,"colors":8,"streak_colors":8,"luminescence":8,"uv":8,"cleavage":8,"cleavagetype":8,"fracturetype":8,"tenacity":8,"commentbreak":8,"opticaltype":8,"opticalsign":8,"opticalalpha":8,"opticalalpha2":8,"opticalalphaerror":8,"opticalbeta":8,"opticalbeta2":8,"opticalbetaerror":8,"opticalgamma":8,"opticalgamma2":8,"opticalgammaerror":8,"opticalomega":8,"opticalomega2":21,"opticalomegaerror":8,"opticalepsilon":8,"opticalepsilon2":21,"opticalepsilonerror":8,"opticaln":8,"opticaln2":8,"opticalnerror":8,"optical2vcalc":8,"optical2vcalc2":8,"optical2vcalcerror":8,"optical2vmeasured":8,"optical2vmeasured2":8,"optical2vmeasurederror":8,"rimin":8,"rimax":8,"opticaldispersion":8,"opticalpleochroism":8,"opticalpleochorismdesc":8,"opticalbirefringence":8,"opticalcomments":8,"opticalcolour":8,"opticalinternal":8,"opticaltropic":8,"opticalanisotropism":8,"opticalbireflectance":8,"opticalextinction":8,"opticalr":8,"specdispm":8,"ir":8,"electrical":8,"magnetism":8,"thermalbehaviour":8,"other":8,"industrial":8,"occurrence":8,"otheroccurrence":8,"type_specimen_store":8,"description_short":8,"aboutname":25,"rock_parent":8,"rock_parent2":8,"rock_root":26,"rock_bgs_code":8,"meteoritical_code":8,"updttime":27,"reviewed_at":8,"variety_of":28,"varieties":31,"group_members":32,"associates":119,"confused_with":120,"type_localities":121,"occurrence_total":56,"citations":122,"images":153,"structures":181,"synonyms":182,"language_names":184,"wikidata_qid":8,"texts":185},32187,"1:1:32187:5","c5fc5877-8652-4811-9558-713e730be09f","Opal-AG",null,2,"variety",47868,10916,61,false,"SiO\u003Csub>2\u003C\u002Fsub>·nH\u003Csub>2\u003C\u002Fsub>O",[17,18,19],"Si","O","H",[17,18,19],"0","Vitreous,Sub-Vitreous,Greasy","greasy to vitreous on freshly broken surfaces","Transparent,Translucent","A stands for amorphous and G for gel-like.\r\nThe origin of the word \"opal\" is uncertain. It may be from the Sanskrit \"upala\", meaning \"stone\" or \"precious stone\" or from opalus, the ancient Latin name for the gem (Pliny the Elder, 75-79). Pliny may have also referred to the gem as paederos, but a modern commentary by Kostov (2008) questions if that name was actually applied to the opal in the modern sense.",0,"2025-08-11 12:14:57",{"id":11,"name":29,"entrytype":9,"csystem":8,"ima_formula":8,"mindat_formula":8,"hmin":8,"hmax":8,"dmeas":8,"dcalc":8,"strunz10ed1":21,"primary_image_id":30},"Opal-A",9755,[],[33,43,52,60,65,73,80,86,90,94,101,106,112],{"id":34,"name":35,"entrytype":26,"csystem":36,"ima_formula":37,"mindat_formula":38,"hmin":39,"hmax":40,"dmeas":8,"dcalc":41,"primary_image_id":42},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))",6.5,7,"1.933",5390,{"id":44,"name":45,"entrytype":26,"csystem":46,"ima_formula":47,"mindat_formula":47,"hmin":48,"hmax":49,"dmeas":21,"dcalc":50,"primary_image_id":51},1104,"Coesite","Monoclinic","SiO\u003Csub>2\u003C\u002Fsub>",7.5,8,"2.92",6030,{"id":53,"name":54,"entrytype":26,"csystem":55,"ima_formula":47,"mindat_formula":47,"hmin":56,"hmax":40,"dmeas":57,"dcalc":58,"primary_image_id":59},1155,"Cristobalite","Tetragonal",6,"2.32","2.33",6449,{"id":61,"name":62,"entrytype":26,"csystem":63,"ima_formula":47,"mindat_formula":47,"hmin":39,"hmax":39,"dmeas":21,"dcalc":21,"primary_image_id":64},2363,"Lechatelierite","Amorphous",14243,{"id":66,"name":67,"entrytype":26,"csystem":55,"ima_formula":68,"mindat_formula":69,"hmin":39,"hmax":40,"dmeas":70,"dcalc":71,"primary_image_id":72},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":74,"name":75,"entrytype":26,"csystem":46,"ima_formula":76,"mindat_formula":47,"hmin":56,"hmax":56,"dmeas":77,"dcalc":78,"primary_image_id":79},2739,"Mogánite","SiO\u003Csub>2\u003C\u002Fsub> · nH\u003Csub>2\u003C\u002Fsub>O","2.52","2.55",16422,{"id":81,"name":82,"entrytype":9,"csystem":8,"ima_formula":8,"mindat_formula":15,"hmin":83,"hmax":39,"dmeas":84,"dcalc":21,"primary_image_id":85},1959,"Opal-AN",5.5,"2.0",59857,{"id":87,"name":88,"entrytype":9,"csystem":8,"ima_formula":8,"mindat_formula":15,"hmin":8,"hmax":8,"dmeas":21,"dcalc":21,"primary_image_id":89},32186,"Opal-C",71596,{"id":91,"name":92,"entrytype":9,"csystem":8,"ima_formula":8,"mindat_formula":15,"hmin":8,"hmax":8,"dmeas":21,"dcalc":21,"primary_image_id":93},32185,"Opal-CT",71613,{"id":95,"name":96,"entrytype":26,"csystem":97,"ima_formula":47,"mindat_formula":47,"hmin":40,"hmax":40,"dmeas":98,"dcalc":99,"primary_image_id":100},3337,"Quartz","Trigonal","2.65","2.66",30579,{"id":102,"name":103,"entrytype":26,"csystem":104,"ima_formula":47,"mindat_formula":47,"hmin":8,"hmax":8,"dmeas":21,"dcalc":105,"primary_image_id":8},26715,"Seifertite","Orthorhombic","4.294",{"id":107,"name":108,"entrytype":26,"csystem":55,"ima_formula":47,"mindat_formula":47,"hmin":48,"hmax":49,"dmeas":109,"dcalc":110,"primary_image_id":111},3790,"Stishovite","4.35","4.29",22954,{"id":113,"name":114,"entrytype":26,"csystem":115,"ima_formula":47,"mindat_formula":47,"hmin":39,"hmax":40,"dmeas":116,"dcalc":117,"primary_image_id":118},4015,"Tridymite","Triclinic","2.25","2.28",24496,[],[],[],[123,128,132,137,141,145,149],{"id":124,"year":125,"html":126,"doi":127},2522392,1964,"JONES, J. B., SANDERS, J. V., SEGNIT, E. R. (1964) Structure of Opal. \u003Ci>Nature\u003C\u002Fi>, 204 (4962). 990-991 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1038\u002F204990a0'>doi:10.1038\u002F204990a0\u003C\u002Fa>","10.1038\u002F204990a0",{"id":129,"year":125,"html":130,"doi":131},2522986,"SANDERS, J. V. (1964) Colour of Precious Opal. \u003Ci>Nature\u003C\u002Fi>, 204 (4964). 1151-1153 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1038\u002F2041151a0'>doi:10.1038\u002F2041151a0\u003C\u002Fa>","10.1038\u002F2041151a0",{"id":133,"year":134,"html":135,"doi":136},565312,1971,"Jones, J. B., Segnit, E. R. (1971) The nature of opal I. nomenclature and constituent phases. \u003Ci>Journal of the Geological Society of Australia\u003C\u002Fi>,  18 (1) 57-68 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1080\u002F00167617108728743'>doi:10.1080\u002F00167617108728743\u003C\u002Fa>","10.1080\u002F00167617108728743",{"id":138,"year":139,"html":140,"doi":8},15966567,1975,"Sanders, J. V. (1975). Microstructure and crystallinity of gem opals. American Mineralogist, 60, 749-757.",{"id":142,"year":143,"html":144,"doi":8},16099527,1991,"Flörke, O.W., Graetsch, H., Martin, B., Röller, K., Wirth, R. (1991) Nomenclature of micro- and non-crystalline silica minerals based on structure and microstructure. Neues Jahrbuch für Mineralogie - Abhandlungen: 163: 19-42.",{"id":146,"year":147,"html":148,"doi":8},16121337,1994,"Graetsch, H. (1994) Structural characteristics of opaline and microcrystalline silica minerals. in: Heaney, P.J., Gibbs, G.V., editors. Reviews in Mineralogy Volume 29 Silica - Physical behaviour, geochemistry and materials applications. Mineralogical Society of America, 209-232.",{"id":150,"year":151,"html":152,"doi":8},16119011,2008,"Kostov, Rusian I. (2008) Orphic Lithica As A Source Of Late Antiquity Mineralogical Knowledge. \u003Ci>Annual Of The University Of Mining And Geology “ST. Ivan Rilski”\u003C\u002Fi>,  51 (1) 109-115",[154,164,172],{"id":155,"source_url":156,"license_code":157,"credit_html":158,"title":159,"description":160,"author":161,"original_width":162,"original_height":163},71563,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=7576266","CC BY-SA 4.0","Didier Descouens, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=7576266\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Menilite.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FMenilite\" class=\"extiw\" title=\"en:Menilite\">Menilite (Opal-AG)\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality : Plateau de Merdogne, Puy-de-Dôme, Auvergne France\u003C\u002Fdd>\n\u003Cdd>Size : 9x6.8x4 cm\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>","Didier Descouens",2833,2913,{"id":165,"source_url":166,"license_code":157,"credit_html":167,"title":168,"description":169,"author":161,"original_width":170,"original_height":171},71562,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=7575558","Didier Descouens, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=7575558\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","OpaleMexique.jpg","Opal-AG (Precious opal)- Carbonea Mine, La Trinidad, Mun. de Tequisquiapan, Queretaro, Mexico - (5x2.2cm)",1888,2494,{"id":173,"source_url":174,"license_code":157,"credit_html":175,"title":176,"description":177,"author":178,"original_width":179,"original_height":180},71565,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=153986207","Archaeodontosaurus, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=153986207\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","(Mexico) Opal-AG (Precious opal) Carbonea Mine Queretaro.png","Opál z Mexika","Archaeodontosaurus",3623,4869,[],[183],"Potch Opal",[],{"history":8,"applications":8}]