[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"minerals:one:55696":3},{"id":4,"longid":5,"guid":6,"name":7,"shortcode_ima":8,"entrytype":9,"entrytype_text":10,"varietyof":11,"synid":11,"polytypeof":11,"groupid":11,"weighting":12,"nolocadd":13,"blacklisted":13,"mindat_formula":14,"mindat_formula_note":11,"ima_formula":15,"elements":16,"sigelements":22,"key_elements":23,"impurities":11,"cim":11,"ima_status":24,"ima_notes":11,"ima_history":11,"approval_year":11,"publication_year":11,"discovery_year":11,"strunz10ed1":26,"strunz10ed2":27,"strunz10ed3":27,"strunz10ed4":11,"dana8ed1":11,"dana8ed2":11,"dana8ed3":11,"dana8ed4":11,"csystem":28,"cclass":29,"spacegroup":12,"spacegroupset":30,"a":31,"b":32,"c":33,"alpha":11,"beta":11,"gamma":11,"aerror":34,"berror":35,"cerror":34,"alphaerror":11,"betaerror":11,"gammaerror":11,"va3":11,"z":36,"csmetamict":13,"commentcrystal":11,"twinning":11,"tranglide":11,"parting":11,"epitaxidescription":11,"morphology":11,"tlform":37,"hmin":34,"hmax":38,"hardtype":11,"vhnmin":11,"vhnmax":11,"vhnerror":11,"vhng":11,"vhns":11,"commenthard":11,"dmeas":39,"dmeas2":11,"dcalc":40,"dmeaserror":41,"dcalcerror":11,"commentdense":11,"lustre":11,"lustretype":42,"commentluster":11,"diapheny":43,"streak":44,"colour":45,"commentcolor":11,"colors":46,"streak_colors":47,"luminescence":11,"uv":11,"cleavage":48,"cleavagetype":49,"fracturetype":11,"tenacity":50,"commentbreak":11,"opticaltype":51,"opticalsign":52,"opticalalpha":53,"opticalalpha2":11,"opticalalphaerror":41,"opticalbeta":54,"opticalbeta2":11,"opticalbetaerror":41,"opticalgamma":55,"opticalgamma2":11,"opticalgammaerror":41,"opticalomega":11,"opticalomega2":11,"opticalomegaerror":11,"opticalepsilon":11,"opticalepsilon2":11,"opticalepsilonerror":11,"opticaln":11,"opticaln2":11,"opticalnerror":11,"optical2vcalc":11,"optical2vcalc2":11,"optical2vcalcerror":11,"optical2vmeasured":11,"optical2vmeasured2":11,"optical2vmeasurederror":11,"rimin":56,"rimax":57,"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":58,"otheroccurrence":11,"type_specimen_store":59,"description_short":60,"aboutname":61,"rock_parent":11,"rock_parent2":11,"rock_root":9,"rock_bgs_code":11,"meteoritical_code":11,"updttime":62,"reviewed_at":11,"variety_of":11,"varieties":63,"group_members":64,"associates":65,"confused_with":66,"type_localities":67,"occurrence_total":35,"citations":74,"images":84,"structures":85,"synonyms":86,"language_names":88,"wikidata_qid":98,"texts":99},55696,"1:1:55696:7","1c54e84f-6f11-4c67-8638-69b8e75b8f39","Petermegawite","Pmw",0,"mineral",null,21,false,"Al\u003Csub>6\u003C\u002Fsub>(Se\u003Csup>4+\u003C\u002Fsup>O\u003Csub>3\u003C\u002Fsub>)\u003Csub>3\u003C\u002Fsub>[SiO\u003Csub>3\u003C\u002Fsub>(OH)](OH)\u003Csub>9\u003C\u002Fsub>·10H\u003Csub>2\u003C\u002Fsub>O","Al\u003Csub>6\u003C\u002Fsub>(Se\u003Csup>4+\u003C\u002Fsup>O\u003Csub>3\u003C\u002Fsub>)\u003Csub>3\u003C\u002Fsub>[SiO\u003Csub>3\u003C\u002Fsub>(OH)](OH)\u003Csub>9\u003C\u002Fsub> · 10H\u003Csub>2\u003C\u002Fsub>O",[17,18,19,20,21],"Al","Se","Si","O","H",[17,18,19,20,21],[18],[25],"APPROVED","4","J","Orthorhombic",6,"0","16.2392","10.9637","15.3367",2,1,4,"aggregates of bladed or tabular crystals",2.5,"2.27","2.32",5,"Vitreous","Transparent","white","colorless",[45,44],[44],"{001}","Perfect","brittle","Biaxial","+","1.545","1.554","1.567",1.545,1.567,"Oxidation zone of a Se-rich deposit","collections of (1) the University of Arizona Mineral Museum, 1040 E. 4th Street, Tucson, AZ 85721-0077, USA, catalogue no. 22711 (holotype), and (2) the RRUFF Project, deposition no. R210008 (cotype)","New structure type. Unique combination of elements (at the upload time). The first selenate (selenite) - silicate mineral to date. Third Al-Se mineral after alfredopetrovite and llantenesite.\r\n\r\nA polyoxometallate in terms of its anion - [Al6(SiO3OH)O6...","Named after Dr Peter Megaw, of Tucson, Arizona, an exploration geologist who has worked and collected minerals all over Mexico for over 35 years, and who is the Mindat expert and reviewer for Mexican minerals. He has published extensively on Mexican mines and minerals, and also promotes appreciation for mineral recognition among exploration geologists as the basis for \"visual geochemistry\" in their projects. Recently he has also been engaged as an exploration geologist in Potosí Department, Bolivia, and he puts in lots of volunteer hours helping the Tucson Gem and Mineral Society organize the world's most important mineral show.","2025-08-11 12:15:24",[],[],[],[],[68],{"id":69,"txt":70,"latitude":71,"longitude":72,"country":73},353,"El Dragón mine, Porco Municipality, Antonio Quijarro Province, Potosí, Bolivia",-19.8208333,-65.9166667,"Bolivia",[75,79],{"id":76,"year":77,"html":78,"doi":11},16966658,2022,"(2022) Petermegawite. \u003Ci>Handbook of Mineralogy\u003C\u002Fi>. Mineralogical Society of America \u003Ca target='_blank' href='https:\u002F\u002Fhandbookofmineralogy.org\u002Fpdfs\u002FPetermegawite.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":80,"year":81,"html":82,"doi":83},16653405,2023,"Yang, Hexiong; Gu, Xiangping; Scott, Michael M.; Jenkins, Robert A.; Gibbs, Ronald B.; Mcglasson, James A.; Downs, Robert T. (2023) Petermegawite, Al\u003Csub>6\u003C\u002Fsub>(Se\u003Csup>4+\u003C\u002Fsup>O\u003Csub>3\u003C\u002Fsub>)\u003Csub>3\u003C\u002Fsub>[SiO\u003Csub>3\u003C\u002Fsub>(OH)](OH)\u003Csub>9\u003C\u002Fsub>⋅10H\u003Csub>2\u003C\u002Fsub>O, a New Al-Bearing Selenite Mineral, from the El Dragón Mine, Potosí, Bolivia. \u003Ci>The Canadian Journal of Mineralogy and Petrology\u003C\u002Fi>,  61 (5). 987-998 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.3749\u002F2300004'>doi:10.3749\u002F2300004\u003C\u002Fa>","10.3749\u002F2300004",[],[],[87],"Petermegawiet",[89,93],{"lang":90,"names":91},"ca",[92],"petermegawita",{"lang":94,"names":95},"de",[96,97],"IMA 2021-079","Petermegawit","Q110297881",{"history":11,"applications":11}]