[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"minerals:one:3267":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":23,"key_elements":11,"impurities":11,"cim":24,"ima_status":25,"ima_notes":11,"ima_history":11,"approval_year":11,"publication_year":11,"discovery_year":11,"strunz10ed1":28,"strunz10ed2":29,"strunz10ed3":29,"strunz10ed4":30,"dana8ed1":31,"dana8ed2":32,"dana8ed3":32,"dana8ed4":33,"csystem":34,"cclass":35,"spacegroup":36,"spacegroupset":37,"a":38,"b":37,"c":37,"alpha":37,"beta":37,"gamma":37,"aerror":39,"berror":11,"cerror":11,"alphaerror":11,"betaerror":11,"gammaerror":11,"va3":11,"z":40,"csmetamict":14,"commentcrystal":11,"twinning":41,"tranglide":11,"parting":11,"epitaxidescription":11,"morphology":42,"tlform":11,"hmin":43,"hmax":43,"hardtype":11,"vhnmin":37,"vhnmax":37,"vhnerror":11,"vhng":11,"vhns":11,"commenthard":11,"dmeas":44,"dmeas2":44,"dcalc":45,"dmeaserror":11,"dcalcerror":11,"commentdense":11,"lustre":11,"lustretype":46,"commentluster":11,"diapheny":47,"streak":11,"colour":48,"commentcolor":11,"colors":49,"streak_colors":11,"luminescence":11,"uv":11,"cleavage":52,"cleavagetype":53,"fracturetype":54,"tenacity":11,"commentbreak":11,"opticaltype":55,"opticalsign":11,"opticalalpha":37,"opticalalpha2":37,"opticalalphaerror":11,"opticalbeta":37,"opticalbeta2":37,"opticalbetaerror":11,"opticalgamma":37,"opticalgamma2":37,"opticalgammaerror":11,"opticalomega":37,"opticalomega2":37,"opticalomegaerror":11,"opticalepsilon":37,"opticalepsilon2":37,"opticalepsilonerror":11,"opticaln":37,"opticaln2":37,"opticalnerror":11,"optical2vcalc":37,"optical2vcalc2":37,"optical2vcalcerror":11,"optical2vmeasured":37,"optical2vmeasured2":37,"optical2vmeasurederror":11,"rimin":11,"rimax":11,"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":56,"other":57,"industrial":11,"occurrence":11,"otheroccurrence":11,"type_specimen_store":11,"description_short":58,"aboutname":59,"rock_parent":11,"rock_parent2":11,"rock_root":9,"rock_bgs_code":11,"meteoritical_code":11,"updttime":60,"reviewed_at":11,"variety_of":11,"varieties":61,"group_members":62,"associates":89,"confused_with":117,"type_localities":118,"occurrence_total":125,"citations":126,"images":253,"structures":321,"synonyms":340,"language_names":343,"wikidata_qid":385,"texts":386},3267,"1:1:3267:0","d5221316-1bfa-4bdd-a86c-838a80e3696a","Alum-(K)","Aum-K",0,"mineral",null,152,365,false,"KAl(SO\u003Csub>4\u003C\u002Fsub>)\u003Csub>2\u003C\u002Fsub>&middot;12H\u003Csub>2\u003C\u002Fsub>O","KAl(SO\u003Csub>4\u003C\u002Fsub>)\u003Csub>2\u003C\u002Fsub> &middot; 12H\u003Csub>2\u003C\u002Fsub>O",[18,19,20,21,22],"Al","O","K","S","H",[18,19,20,21,22],"25.6.17",[26,27],"APPROVED","GRANDFATHERED","7","C","20","29","5","1","Isometric",29,204,"0","12.157",3,4,"On {111}, very rare.","Crystals octahedral if precipitated from pure water solution; cubic from alkaline solutions. Commonly massive with a columnar or granular structure; stalactitic, mealy coatings.",2,"1.757","1.753","Vitreous","Transparent","Colourless, white; colourless in transmitted light.",[50,51],"colorless","white","{111}, traces.","Poor\u002FIndistinct","Conchoidal","Isotropic","Rapid heating to below red heat, it intumesces and forms a bulky, porous mass of the anhydrous sulfate (\"burnt alum\").","Soluble in water. Melts in its water of crystallization at 91 deg.","Alum Group.\r\nPreviously called potassium alum.","The name is derived from \"\u003Cem>alum\u003C\u002Fem>\" since this species is a member of the alum group; the -(K) suffix denotes that it is the K-dominant member of the group. Renamed from potassium alum to alum-(K) in 2008.","2026-02-16 13:10:38",[],[63,71,80],{"id":64,"name":65,"entrytype":9,"csystem":34,"ima_formula":66,"mindat_formula":67,"hmin":39,"hmax":39,"dmeas":68,"dcalc":69,"primary_image_id":70},3703,"Alum-(Na)","NaAl(SO\u003Csub>4\u003C\u002Fsub>)\u003Csub>2\u003C\u002Fsub> &middot; 12H\u003Csub>2\u003C\u002Fsub>O","NaAl(SO\u003Csub>4\u003C\u002Fsub>)\u003Csub>2\u003C\u002Fsub>&middot;12H\u003Csub>2\u003C\u002Fsub>O","1.64","1.67",930,{"id":72,"name":73,"entrytype":9,"csystem":34,"ima_formula":74,"mindat_formula":75,"hmin":39,"hmax":76,"dmeas":77,"dcalc":78,"primary_image_id":79},11003,"Lanmuchangite","TlAl(SO\u003Csub>4\u003C\u002Fsub>)\u003Csub>2\u003C\u002Fsub> &middot; 12H\u003Csub>2\u003C\u002Fsub>O","Tl\u003Csup>+\u003C\u002Fsup>Al(SO\u003Csub>4\u003C\u002Fsub>)\u003Csub>2\u003C\u002Fsub>&middot;12H\u003Csub>2\u003C\u002Fsub>O",3.5,"2.22","2.35",13941,{"id":81,"name":82,"entrytype":9,"csystem":34,"ima_formula":83,"mindat_formula":84,"hmin":85,"hmax":43,"dmeas":86,"dcalc":87,"primary_image_id":88},4036,"Tschermigite","(NH\u003Csub>4\u003C\u002Fsub>)Al(SO\u003Csub>4\u003C\u002Fsub>)\u003Csub>2\u003C\u002Fsub> &middot; 12H\u003Csub>2\u003C\u002Fsub>O","(NH\u003Csub>4\u003C\u002Fsub>)Al(SO\u003Csub>4\u003C\u002Fsub>)\u003Csub>2\u003C\u002Fsub>&middot;12H\u003Csub>2\u003C\u002Fsub>O",1.5,"1.645","1.641",24644,[90,98,108],{"id":91,"name":92,"entrytype":9,"csystem":34,"ima_formula":93,"mindat_formula":94,"hmin":95,"hmax":95,"dmeas":96,"dcalc":97,"primary_image_id":11},47023,"Magnesiovoltaite","K\u003Csub>2\u003C\u002Fsub>Mg\u003Csub>5\u003C\u002Fsub>Fe\u003Csup>3+\u003C\u002Fsup>\u003Csub>3\u003C\u002Fsub>Al(SO\u003Csub>4\u003C\u002Fsub>)\u003Csub>12\u003C\u002Fsub> &middot; 18H\u003Csub>2\u003C\u002Fsub>O","K\u003Csub>2\u003C\u002Fsub>Mg\u003Csub>5\u003C\u002Fsub>Fe\u003Csup>3+\u003C\u002Fsup>\u003Csub>3\u003C\u002Fsub>Al(SO\u003Csub>4\u003C\u002Fsub>)\u003Csub>12\u003C\u002Fsub>&middot;18H\u003Csub>2\u003C\u002Fsub>O",2.5,"2.51","2.506",{"id":99,"name":100,"entrytype":9,"csystem":101,"ima_formula":102,"mindat_formula":103,"hmin":104,"hmax":85,"dmeas":105,"dcalc":106,"primary_image_id":107},3746,"Stanleyite","Orthorhombic","V\u003Csup>4+\u003C\u002Fsup>O(SO\u003Csub>4\u003C\u002Fsub>) &middot; 6H\u003Csub>2\u003C\u002Fsub>O","(V\u003Csup>4+\u003C\u002Fsup>O)(SO\u003Csub>4\u003C\u002Fsub>)&middot;6H\u003Csub>2\u003C\u002Fsub>O",1,"1.95","2.01",22712,{"id":109,"name":110,"entrytype":9,"csystem":111,"ima_formula":112,"mindat_formula":113,"hmin":39,"hmax":39,"dmeas":114,"dcalc":115,"primary_image_id":116},3878,"Tamarugite","Monoclinic","NaAl(SO\u003Csub>4\u003C\u002Fsub>)\u003Csub>2\u003C\u002Fsub> &middot; 6H\u003Csub>2\u003C\u002Fsub>O","NaAl(SO\u003Csub>4\u003C\u002Fsub>)\u003Csub>2\u003C\u002Fsub>&middot;6H\u003Csub>2\u003C\u002Fsub>O","2.06","2.066",30794,[],[119],{"id":120,"txt":121,"latitude":122,"longitude":123,"country":124},2093,"Solfatara di Pozzuoli, Pozzuoli, Metropolitan City of Naples, Campania, Italy",40.8280556,14.1416667,"Italy",91,[127,131,135,139,143,147,150,154,158,161,165,169,173,177,181,184,188,192,196,200,204,208,211,215,219,223,227,232,237,241,245,249],{"id":128,"year":129,"html":130,"doi":11},1118643,1868,"Dana, James D., Brush, George Jarvis (1868) \u003Ci>A System of Mineralogy\u003C\u002Fi> (5th ed.). p.882",{"id":132,"year":133,"html":134,"doi":11},16113514,1875,"Weisbach, Albin (1875) Synopsis mineralogical, systematische Übersicht des Mineralreiches. 78 pp., Freiberg: 9.",{"id":136,"year":137,"html":138,"doi":11},16120582,1878,"Klocke (1878) Zeitschrift für Kristallographie, Mineralogie und Petrographie, Leipzig: 2: 126.",{"id":140,"year":141,"html":142,"doi":11},16120583,1880,"Klocke (1880) Neues Jahrbuch für Mineralogie, Geologie und Paleontologie, Heidelberg, Stuttgart.: I: 56.",{"id":144,"year":145,"html":146,"doi":11},16120584,1881,"Klocke (1881) Neues Jahrbuch für Mineralogie, Geologie und Paleontologie, Heidelberg, Stuttgart.: II: 267.",{"id":148,"year":145,"html":149,"doi":11},16120585,"Wulff (1881) Zeitschrift für Kristallographie, Mineralogie und Petrographie, Leipzig: 5: 81.",{"id":151,"year":152,"html":153,"doi":11},16120586,1883,"Brauns (1883) Neues Jahrbuch für Mineralogie, Geologie und Paleontologie, Heidelberg, Stuttgart.: II: 102.",{"id":155,"year":156,"html":157,"doi":11},16120587,1884,"Pfaff (1884) Sitzber. bayer. Ak. Wiss.: 255.",{"id":159,"year":156,"html":160,"doi":11},16120588,"Soret (1884) Arch. sc. phys. nat. Genève: 12: 376.",{"id":162,"year":163,"html":164,"doi":11},16120589,1885,"Brauns (1885) Neues Jahrbuch für Mineralogie, Geologie und Paleontologie, Heidelberg, Stuttgart.: I: 96.",{"id":166,"year":167,"html":168,"doi":11},16120590,1891,"Brauns (1891) Die opt. Anom. der Kristalle, Leiopzig.",{"id":170,"year":171,"html":172,"doi":11},16120591,1892,"Pockels (1892) Neues Jahrbuch für Mineralogie, Geologie und Paleontologie, Heidelberg, Stuttgart., Beil.-Bd: 8: 217.",{"id":174,"year":175,"html":176,"doi":11},17557086,1908,"Groth, P. (1908) \u003Ci>Chemische Krystallographie\u003C\u002Fi> Vol. 2. Wilhem Engelmann. \u003Ca target='_blank' href='https:\u002F\u002Farchive.org\u002Fdownload\u002Fchemischekrystal02grotuoft\u002Fchemischekrystal02grotuoft.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":178,"year":179,"html":180,"doi":11},16120593,1913,"Bauhans (1913) Verh. Nat. Ver. Heidelberg: 12: 319.",{"id":182,"year":179,"html":183,"doi":11},16120594,"Beckenkamp (1913) Zeitschrift für Kristallographie, Mineralogie und Petrographie, Leipzig: 51: 492.",{"id":185,"year":186,"html":187,"doi":11},16120595,1921,"Valeton (1921) Zeitschrift für Kristallographie, Mineralogie und Petrographie, Leipzig: 56: 434.",{"id":189,"year":190,"html":191,"doi":11},16120596,1922,"Britton (1922) Journal of the Chemical Society, London: 121: 982.",{"id":193,"year":194,"html":195,"doi":11},16120597,1924,"Friedel (1924) Comptes rendu de l’Académie des sciences de Paris: 179: 796.",{"id":197,"year":198,"html":199,"doi":11},16120598,1925,"Spangenberg (1925) Zeitschrift für Kristallographie, Mineralogie und Petrographie, Leipzig: 61: 189.",{"id":201,"year":202,"html":203,"doi":11},16120599,1928,"Spangenberg (1928) Neues Jahrbuch für Mineralogie, Geologie und Paleontologie, Heidelberg, Stuttgart. Beil.-Bd.: 57: 1197.",{"id":205,"year":206,"html":207,"doi":11},16120600,1933,"Alfani (1933) Periodico de Mineralogia-Roma: 4: 395.",{"id":209,"year":206,"html":210,"doi":11},16120601,"Wendekamm (1933) Zeitschrift für Kristallographie, Mineralogie und Petrographie, Leipzig: 85, 169.",{"id":212,"year":213,"html":214,"doi":11},16120602,1935,"Lipson and Beevers (1935) Proceeding of the Royal Society, London: 148A: 664.",{"id":216,"year":217,"html":218,"doi":11},16120603,1940,"Frondel, C. (1940) American Mineralogist: 25: 91.",{"id":220,"year":221,"html":222,"doi":11},16120604,1949,"Spangenberg and Baldermann-Fiola (1949) Neues Jahrbuch für Mineralogie, Monatsh., Abt. A: 113.",{"id":224,"year":225,"html":226,"doi":11},1118652,1951,"Palache, Charles; Berman, Harry; Frondel, Clifford (1951) \u003Ci>The System of Mineralogy\u003C\u002Fi> (7th ed.) Vol. 2 - Halides, Nitrates, Borates, Carbonates, Sulfates, Phosphates, Arsenates, Tungstates, Molybdates, Etc. John Wiley and Sons.",{"id":228,"year":229,"html":230,"doi":231},624723,1967,"Larson, A. C., Cromer, D. T. (1967) Refinement of the alum structures. III. X-ray study of the α alums, K, Rb and NH4Al(SO4)2.12H2O. \u003Ci>Acta Crystallographica\u003C\u002Fi>,  22 (6) 793-800 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1107\u002Fs0365110x67001586'>doi:10.1107\u002Fs0365110x67001586\u003C\u002Fa>","10.1107\u002Fs0365110x67001586",{"id":233,"year":234,"html":235,"doi":236},16580651,1976,"Eckert, J.; Eysel, H. H.; Kampffmeyer, G. L. (1976) Einkristall‐Raman‐Spektren von Alaunen. II. [1]. Raman‐aktive Gitterschwingungen und FIR‐Spektren. \u003Ci>Zeitschrift für anorganische und allgemeine Chemie\u003C\u002Fi>,  424 (1). 81-86 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1002\u002Fzaac.19764240112'>doi:10.1002\u002Fzaac.19764240112\u003C\u002Fa>","10.1002\u002Fzaac.19764240112",{"id":238,"year":234,"html":239,"doi":240},16581254,"Eysel, Hans Hermann; Eckert, J. (1976) Einkristall‐Raman‐Spektren von Alaunen. I. Innere Schwingungen, Frequenzbereich 300 bis 1200 cm\u003Csup>−1\u003C\u002Fsup>. \u003Ci>Zeitschrift für anorganische und allgemeine Chemie\u003C\u002Fi>,  424 (1). 68-80 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1002\u002Fzaac.19764240111'>doi:10.1002\u002Fzaac.19764240111\u003C\u002Fa>","10.1002\u002Fzaac.19764240111",{"id":242,"year":243,"html":244,"doi":11},16966797,2005,"(2005) Alum-(K). \u003Ci>Handbook of Mineralogy\u003C\u002Fi>. Mineralogical Society of America \u003Ca target='_blank' href='https:\u002F\u002Fwww.handbookofmineralogy.org\u002Fpdfs\u002Fpotassiumalum.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":246,"year":247,"html":248,"doi":11},12909745,2008,"Burke, Ernst A. J. (2008) Tidying up mineral names: an IMA-CNMNC scheme for suffixes, hyphens and diacritical marks. \u003Ci>The Mineralogical Record\u003C\u002Fi>,  39 (2) 131-135 \u003Ca target='_blank' href='https:\u002F\u002Frruff.info\u002Fuploads\u002FMR39_131.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":250,"year":251,"html":252,"doi":11},16120607,2012,"www.handbookofmineralogy.com (n.d.) \u003Ca target='_blank' rel='nofollow' href='http:\u002F\u002Fwww.handbookofmineralogy.com\u002Fpdfs\u002Fpotassiumalum.pdf'>http:\u002F\u002Fwww.handbookofmineralogy.com\u002Fpdfs\u002Fpotassiumalum.pdf\u003C\u002Fa>",[254,264,274,282,290,298,306,312],{"id":255,"source_url":256,"license_code":257,"credit_html":258,"title":259,"description":260,"author":261,"original_width":262,"original_height":263},32225,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=14139006","CC BY-SA 3.0","Ude, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=14139006\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Potassium alum octahedral like crystal.jpg","Octahedral like shaped \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002Fpotassium_alum\" class=\"extiw\" title=\"en:potassium alum\">potassium alum\u003C\u002Fa> crystal with unequal distribution of the face area.","Ude",3072,2304,{"id":265,"source_url":266,"license_code":267,"credit_html":268,"title":269,"description":270,"author":271,"original_width":272,"original_height":273},32228,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=41354325","CC BY-SA 4.0","Udine2812, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=41354325\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Bloc d'alun.jpg","Potassium alum","Udine2812",1456,2592,{"id":70,"source_url":275,"license_code":257,"credit_html":276,"title":277,"description":278,"author":279,"original_width":280,"original_height":281},"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10176366","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10176366\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Alum-(K)-180767.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FAlum\" class=\"extiw\" title=\"en:Alum\">Alum-(K)\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Alum King Occurrence (Big Star), Henry District, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FAntelope_Range\" class=\"extiw\" title=\"en:Antelope Range\">Antelope Range\u003C\u002Fa>, Sevier County, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FUtah\" class=\"extiw\" title=\"en:Utah\">Utah\u003C\u002Fa>, USA (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-38311.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 5.4 x 5.0 x 2.7 cm.\u003C\u002Fdd>\n\u003Cdd>Lustrous, water-clear to translucent, super sharp, zoned potassium alum crystals from an uncommon Utah locality - the Alum King Mine in Piute County. The piece has neat, stepped triangular form, reflecting the isometric crystal structure. Ex. John Ydren Collection.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>","Robert M. Lavinsky",455,412,{"id":283,"source_url":284,"license_code":285,"credit_html":286,"title":287,"description":11,"author":11,"original_width":288,"original_height":289},29044,"https:\u002F\u002Fgeocollections.info\u002Ffile\u002F55495","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\u002F55495\" rel=\"noopener\">Department of Geology, TalTech\u003C\u002Fa> via Europeana","Minerals",1000,747,{"id":291,"source_url":292,"license_code":257,"credit_html":293,"title":294,"description":295,"author":279,"original_width":296,"original_height":297},931,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10177200","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10177200\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Sulphur-Alum-(K)-244319.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FSulfur\" class=\"extiw\" title=\"en:Sulfur\">Sulphur\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FAlum\" class=\"extiw\" title=\"en:Alum\">Alum-(K)\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: El Desierto mine, San Pablo de Napa, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FDaniel_Campos_Province\" class=\"extiw\" title=\"en:Daniel Campos Province\">Daniel Campos Province\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FPotos%C3%AD_Department\" class=\"extiw\" title=\"en:Potosí Department\">Potosí Department\u003C\u002Fa>, Bolivia (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-4505.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 7.5 x 6.5 x 3.8 cm.\u003C\u002Fdd>\n\u003Cdd>This is one of the most striking sulphur specimens from an amazingly gemmy batch of specimens that came out last year from this contemporary sulphur find. This dramatic piece has isolated, gemmy, canary-yellow crystals on the starkly contrasting, snow-white alum-covered matrix. The crystals on this plate are particularly gemmy – not opaque bright yellow, but transparent and jewel-like.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",600,549,{"id":299,"source_url":300,"license_code":257,"credit_html":301,"title":302,"description":303,"author":279,"original_width":304,"original_height":305},932,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10177321","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10177321\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Sulphur-Alum-(K)-251149.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FSulfur\" class=\"extiw\" title=\"en:Sulfur\">Sulphur\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FAlum\" class=\"extiw\" title=\"en:Alum\">Alum-(K)\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: El Desierto mine, San Pablo de Napa, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FDaniel_Campos_Province\" class=\"extiw\" title=\"en:Daniel Campos Province\">Daniel Campos Province\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FPotos%C3%AD_Department\" class=\"extiw\" title=\"en:Potosí Department\">Potosí Department\u003C\u002Fa>, Bolivia (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-4505.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 11.9 x 7.9 x 5.4 cm.\u003C\u002Fdd>\n\u003Cdd>This is one of the most striking sulphur specimens from an amazingly gemmy batch of specimens that came out last year (2008) from this contemporary sulphur find. This excellent piece has isolated, gemmy, canary-yellow crystals on the starkly contrasting, alum-covered matrix. The finds of beautiful crystallized sulfur in Bolivia came at a great time, when old specimens from Sicily have become really hard to get, and only a trickle is coming from Russia. The crystals on this plate are particularly gemmy – not opaque bright yellow, but transparent and jewel-like.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",583,750,{"id":307,"source_url":308,"license_code":257,"credit_html":309,"title":310,"description":303,"author":279,"original_width":296,"original_height":311},933,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10177323","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10177323\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Sulphur-Alum-(K)-251150.jpg",574,{"id":313,"source_url":314,"license_code":285,"credit_html":315,"title":316,"description":317,"author":318,"original_width":319,"original_height":320},32230,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=73123896","Брагина Ирина, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=73123896\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Квасцы алюминиевые.jpg","Aluminium Alum crystal. (If potassium alum, then K\u003Csub>2\u003C\u002Fsub>SO\u003Csub>4\u003C\u002Fsub>Al\u003Csub>2\u003C\u002Fsub>(SO\u003Csub>4\u003C\u002Fsub>)\u003Csub>3\u003C\u002Fsub>·24H2O)","Брагина Ирина",3026,2014,[322,329,335],{"id":323,"url":324,"label":325,"formula":326,"spacegroup":327,"year":328},389,"\u002Fcif\u002F389.cif","Biagioni 2020","(K.879 Tl.121) (Al.877 Fe.123) S2 O20 H24","P a 3",2020,{"id":330,"url":331,"label":332,"formula":333,"spacegroup":327,"year":334},390,"\u002Fcif\u002F390.cif","Nyburg 2000","K Al S2 O20 H24",2000,{"id":336,"url":337,"label":338,"formula":339,"spacegroup":327,"year":229},392,"\u002Fcif\u002F392.cif","Larson 1967","K1.3 Al S2 O20 H24",[341,342],"Kalialaun","Potassium Alum",[344,349,353,358,362,365,368,373,376,380],{"lang":345,"names":346},"ca",[347,348],"Alum-","alum-(K)",{"lang":350,"names":351},"de",[352],"Alaun-(K)",{"lang":354,"names":355},"es",[356,357],"Alumbre-","Alumbre-(K)",{"lang":359,"names":360},"et",[361],"kaaliummaarjas",{"lang":363,"names":364},"eu",[347,7],{"lang":366,"names":367},"fr",[348],{"lang":369,"names":370},"it",[371,347,348,372],"allume potassico","potassio-allume",{"lang":374,"names":375},"nl",[348],{"lang":377,"names":378},"pl",[379],"ałun potasowy",{"lang":381,"names":382},"uk",[383,384],"Галун-","Галун-(К)","Q4737323",{"history":11,"applications":11}]