[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"minerals:one:2328":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":14,"elements":15,"sigelements":18,"key_elements":19,"impurities":11,"cim":20,"ima_status":21,"ima_notes":11,"ima_history":11,"approval_year":23,"publication_year":24,"discovery_year":25,"strunz10ed1":26,"strunz10ed2":27,"strunz10ed3":28,"strunz10ed4":29,"dana8ed1":26,"dana8ed2":30,"dana8ed3":31,"dana8ed4":32,"csystem":33,"cclass":34,"spacegroup":11,"spacegroupset":35,"a":36,"b":37,"c":38,"alpha":35,"beta":39,"gamma":35,"aerror":40,"berror":41,"cerror":41,"alphaerror":11,"betaerror":42,"gammaerror":11,"va3":43,"z":44,"csmetamict":13,"commentcrystal":45,"twinning":11,"tranglide":11,"parting":11,"epitaxidescription":11,"morphology":46,"tlform":47,"hmin":40,"hmax":48,"hardtype":11,"vhnmin":35,"vhnmax":35,"vhnerror":11,"vhng":11,"vhns":11,"commenthard":11,"dmeas":49,"dmeas2":49,"dcalc":50,"dmeaserror":40,"dcalcerror":11,"commentdense":11,"lustre":11,"lustretype":51,"commentluster":11,"diapheny":52,"streak":53,"colour":54,"commentcolor":11,"colors":55,"streak_colors":58,"luminescence":11,"uv":11,"cleavage":59,"cleavagetype":60,"fracturetype":11,"tenacity":61,"commentbreak":11,"opticaltype":11,"opticalsign":11,"opticalalpha":35,"opticalalpha2":35,"opticalalphaerror":11,"opticalbeta":35,"opticalbeta2":35,"opticalbetaerror":11,"opticalgamma":35,"opticalgamma2":35,"opticalgammaerror":11,"opticalomega":35,"opticalomega2":35,"opticalomegaerror":11,"opticalepsilon":35,"opticalepsilon2":35,"opticalepsilonerror":11,"opticaln":35,"opticaln2":35,"opticalnerror":11,"optical2vcalc":35,"optical2vcalc2":35,"optical2vcalcerror":11,"optical2vmeasured":35,"optical2vmeasured2":35,"optical2vmeasurederror":11,"rimin":11,"rimax":11,"opticaldispersion":11,"opticalpleochroism":62,"opticalpleochorismdesc":11,"opticalbirefringence":11,"opticalcomments":11,"opticalcolour":11,"opticalinternal":63,"opticaltropic":64,"opticalanisotropism":65,"opticalbireflectance":66,"opticalextinction":11,"opticalr":67,"specdispm":11,"ir":11,"electrical":11,"magnetism":11,"thermalbehaviour":11,"other":11,"industrial":11,"occurrence":68,"otheroccurrence":11,"type_specimen_store":69,"description_short":70,"aboutname":71,"rock_parent":11,"rock_parent2":11,"rock_root":9,"rock_bgs_code":11,"meteoritical_code":11,"updttime":72,"reviewed_at":11,"variety_of":11,"varieties":73,"group_members":74,"associates":75,"confused_with":76,"type_localities":85,"occurrence_total":40,"citations":92,"images":133,"structures":151,"synonyms":168,"language_names":171,"wikidata_qid":197,"texts":198},2328,"1:1:2328:9","af995a97-e3b7-4ba7-8da4-8867a067c359","Laphamite","Lpm",0,"mineral",null,71,false,"As\u003Csub>2\u003C\u002Fsub>Se\u003Csub>3\u003C\u002Fsub>",[16,17],"As","Se",[16,17],[16,17],"3.7.10",[22],"APPROVED",1985,1986,"1985","2","F","A","30","11","6","1","Monoclinic",5,"0","11.86","9.756","4.265","90.17",1,9,30,493.5,4,"P2\u003Csub>1\u003C\u002Fsub>\u002Fn","Crystals are tabular on (010), elongate on [100], and are composed of the forms {100}, {1l0}, {101}, and {301}.","Dark red euhedral crystals, to 5.0 mm.",2,"4.5","4.60","Resinous","Opaque","Red-orange","Dark red",[56,57],"red","orange",[56,57],"On {010}","Perfect","malleable","Not Visible","Fiery red; also golden yellow along scratches.","Anisotropic","Moderate with grey rotation tints.","Moderate, white to grey.","(34.4,42.1,19.6,26.2) 400,\r\n(33.9,41.0,18.8,25.1) 420,\r\n(33.8,39.9,18.7,24.0) 440,\r\n(33.8,38.8,18.5,22.8) 460,\r\n(33.3,37.5,17.9,21.5) 480,\r\n(32.3,36.3,17.0,20.4) 500,\r\n(30.9,35.1,15.8,19.3) 520,\r\n(29.5,34.0,14.6,18.3) 540,\r\n(28.4,33.1,13.6,17.5) 560,\r\n(27.6,32.3,13.0,16.8) 580,\r\n(26.9,31.6,12.4,16.3) 600,\r\n(26.4,31.1,12.1,15.9) 620,\r\n(26.4,30.9,12.3,15.9) 640,\r\n(26.3,30.6,12.5,15.9) 660,\r\n(26.1,30.4,12.4,15.8) 680,\r\n(25.9,30.1,12.3,15.8) 700","Secondary mineral formed, probably by sublimation, on a clinker adjacent to a surface vent on a burning pile of coal.","The Natural History Museum, London, England, 1984,843 and E.1036.\r\nNational Museum of Natural History (Smithsonian), Washington, D.C., USA, 163039.","The Se analogue of orpiment. Compare kalgoorlieite - the chemical (Te) analogue, but not isostructural with laphamite.\r\n\r\nCaveat: Some (or all?) of the photographs showing yellow acicular material might depict Se-bearing orpiment rather than laphamite....","Named in honor of Davis M. Lapham (5 May 1931, Glens Falls, New York, USA - 20 December 1974, Harrisburg, Pennsylvania, USA), former Chief Mineralogist of the Pennsylvania Geological Survey. In addition to his technical work, he wrote several collector-friendly publications including 'Mineral Collecting in Pennsylvania'. He was a founding member of the Friends of Mineralogy.","2025-08-11 12:14:21",[],[],[],[77],{"id":78,"name":79,"entrytype":9,"csystem":33,"ima_formula":80,"mindat_formula":80,"hmin":81,"hmax":48,"dmeas":82,"dcalc":83,"primary_image_id":84},3021,"Orpiment","As\u003Csub>2\u003C\u002Fsub>S\u003Csub>3\u003C\u002Fsub>",1.5,"3.49","3.48",30395,[86],{"id":87,"txt":88,"latitude":89,"longitude":90,"country":91},23693,"Burnside, Northumberland County, Pennsylvania, USA",40.7666667,-76.5583333,"USA",[93,97,100,104,108,112,116,120,124,129],{"id":94,"year":95,"html":96,"doi":11},16114648,1968,"Kirkinskii, V.A., Yakushev, V.G. (1968) A new polymorphic modification of arsenic selenide obtained at high pressures (in English). Doklady Chemistry: 182: 896-898.",{"id":98,"year":95,"html":99,"doi":11},16114649,"Kirkinskii, V.A., Yakushev, V.G. (1968) A new polymorphic modification of arsenic selenide obtained at high pressures (in Russian). Doklady Akademii Nauk SSSR: 182: 1083-1086.",{"id":101,"year":102,"html":103,"doi":11},16114650,1970,"Kirkinskii, V.A., Ryaposov, A.P., Yakushev, V.G. (1970) Synthesis of a third polymorphic modification of arsenic selenide at high pressure. Soviet Physics Solid State, USSR: 11: 1923-1924.",{"id":105,"year":106,"html":107,"doi":11},16114651,1971,"Zallen, R., Slade, M.L., Ward, A.T. (1971) Lattice vibrations and interlayer interactions in crystalline As2S3 and As2Se3. Physical Review B: 3: 4257-4273.",{"id":109,"year":23,"html":110,"doi":111},111021,"Stergiou, A. C., Rentzeperis, P. J. (1985) The crystal structure of arsenic selenide, As2Se3. \u003Ci>Zeitschrift für Kristallographie - Crystalline Materials\u003C\u002Fi>,  173 (3) 185-191 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1524\u002Fzkri.1985.173.3-4.185'>doi:10.1524\u002Fzkri.1985.173.3-4.185\u003C\u002Fa> \u003Ca target='_blank' href='https:\u002F\u002Frruff.info\u002Fdoclib\u002Fzk\u002Fvol173\u002FZK173_185.pdf' class='refpdflink'>\u003C\u002Fa>","10.1524\u002Fzkri.1985.173.3-4.185",{"id":113,"year":24,"html":114,"doi":115},3848,"Dunn, Pete J., Peacor, Donald R., Criddle, Alan J., Finkelman, Robert B. (1986) Laphamite, an arsenic selenide analogue of orpiment, from burning anthracite deposits in Pennsylvania. \u003Ci>Mineralogical Magazine\u003C\u002Fi>,  50 (356) 279-282 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1180\u002Fminmag.1986.050.356.11'>doi:10.1180\u002Fminmag.1986.050.356.11\u003C\u002Fa> \u003Ca target='_blank' href='https:\u002F\u002Frruff.info\u002Fdoclib\u002FMinMag\u002FVolume_50\u002F50-356-279.pdf' class='refpdflink'>\u003C\u002Fa>","10.1180\u002Fminmag.1986.050.356.11",{"id":117,"year":118,"html":119,"doi":11},528363,1987,"Hawthorne,  Frank C., Jambor, John L., Bladh, Kenneth W., Burke, Ernst A. J., Grice, Joel D., Phillips, Don, Roberts, Andrew C., Schedler, Robert A., E., James (1987) New mineral names. \u003Ci>American Mineralogist\u003C\u002Fi>,  72 (9-10) 1023-1028 \u003Ca target='_blank' href='http:\u002F\u002Fwww.minsocam.org\u002Fammin\u002FAM72\u002FAM72_1023.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":121,"year":122,"html":123,"doi":11},16965496,2005,"(2005) Laphamite. \u003Ci>Handbook of Mineralogy\u003C\u002Fi>. Mineralogical Society of America \u003Ca target='_blank' href='https:\u002F\u002Fwww.handbookofmineralogy.org\u002Fpdfs\u002Flaphamite.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":125,"year":126,"html":127,"doi":128},64500,2008,"Bindi, L., Bonazzi, P., Spry, P. G. (2008) Effects of sulfur-for-selenium substitution on the structure of laphamite, As2(Se,S)3. \u003Ci>The Canadian Mineralogist\u003C\u002Fi>,  46 (1). 269-274 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.3749\u002Fcanmin.46.1.269'>doi:10.3749\u002Fcanmin.46.1.269\u003C\u002Fa> \u003Ca target='_blank' href='https:\u002F\u002Frruff.info\u002Fdoclib\u002Fcm\u002Fvol46\u002FCM46_269.pdf' class='refpdflink'>\u003C\u002Fa>","10.3749\u002Fcanmin.46.1.269",{"id":130,"year":131,"html":132,"doi":11},16100989,2016,"Anthony, John W., Bideaux, Richard A., Bladh, Kenneth W., Nichols, Monte C. - \u003Ci>Eds.\u003C\u002Fi> (2016) Handbook of Mineralogy. \u003Ca target='_blank' rel='nofollow' href='https:\u002F\u002Fwww.handbookofmineralogy.org\u002F'>https:\u002F\u002Fwww.handbookofmineralogy.org\u002F\u003C\u002Fa>",[134,144],{"id":135,"source_url":136,"license_code":137,"credit_html":138,"title":139,"description":140,"author":141,"original_width":142,"original_height":143},11405,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=117994633","CC BY-SA 4.0","David Hospital, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=117994633\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Laphamite & Hieratite.jpg","Outstanding yellow crystals of laphamite associated to white crystal aggregates of the also very rare K silicofluoride mineral hieratite. From: Shamokin, Northumberland County, Pennsylvania, United States of America. Ex Vandenbroucke Museum collection from Waregem, Belgium.","David Hospital",750,561,{"id":145,"source_url":146,"license_code":137,"credit_html":147,"title":148,"description":140,"author":141,"original_width":149,"original_height":150},11406,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=117994634","David Hospital, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=117994634\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Laphamite over Hieratite.jpg",641,591,[152,158,163],{"id":153,"url":154,"label":155,"formula":156,"spacegroup":157,"year":126},7443,"\u002Fcif\u002F7443.cif","Bindi 2008 · As2.08 Se2.28 S.64","As2.08 Se2.28 S.64","P 1 21\u002Fn 1",{"id":159,"url":160,"label":161,"formula":162,"spacegroup":157,"year":126},7444,"\u002Fcif\u002F7444.cif","Bindi 2008 · As2.04 Se2.25 S.71","As2.04 Se2.25 S.71",{"id":164,"url":165,"label":166,"formula":167,"spacegroup":157,"year":23},7445,"\u002Fcif\u002F7445.cif","Stergiou 1985","As2 Se3",[169,170],"IMA1985-021","Laphamiet",[172,176,181,185,189,193],{"lang":173,"names":174},"ca",[175],"laphamita",{"lang":177,"names":178},"de",[179,180],"IMA 1985-021","Laphamit",{"lang":182,"names":183},"eu",[184],"Laphamita",{"lang":186,"names":187},"it",[188,7],"Lafamite",{"lang":190,"names":191},"ru",[192],"лафамит",{"lang":194,"names":195},"uk",[196],"лафаміт","Q3826990",{"history":11,"applications":11}]