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As fan-shaped aggregates; commonly irregular, massive. ",5.5,"3.93","4.02","3.96","Sub-Vitreous,Resinous,Waxy,Dull","Transparent,Translucent","Very pale pink","Pinkish to reddish brown, deep pink, grayish pink","in thin section, pink or buff in thick plates",[59,60,61,62,63],"pink","red","brown","gray","colorless",[59],"Not fluorescent in UV","Good to poor","Distinct\u002FGood","Conchoidal,Sub-Conchoidal","brittle","Biaxial","-","1.756","1.780","1.792","68","72",1.756,1.792,"r > v","Weak","X brown, Y light brown, Z colorless","0.036","X ^ a = 35°, Z = b (olivine setting). OAP perpendicular to {100}","Hydrothermally deposited, in lenses in a manganese-bearing vein","in veins crosscutting franklinite ore near pegmatites in a metamorphosed stratiform Zn-Mn deposit","Alleghanyite is a mineral in the humite group and is the manganese analogue of chondrodite. Alleghnyite is closely related to the other manganese-dominant humite-group minerals such as leucophoenicite, manganhumite and sonolite, and is often difficult ...","Named in 1932 by Clarence S. Ross and Paul F. Kerr after the type locality occurrence in Alleghany County, North Carolina, USA.","2025-08-11 12:14:18",[],[91,100],{"id":92,"name":93,"entrytype":9,"csystem":94,"ima_formula":95,"mindat_formula":95,"hmin":96,"hmax":96,"dmeas":97,"dcalc":98,"primary_image_id":99},2470,"Manganhumite","Orthorhombic","Mn\u003Csup>2+\u003C\u002Fsup>\u003Csub>7\u003C\u002Fsub>(SiO\u003Csub>4\u003C\u002Fsub>)\u003Csub>3\u003C\u002Fsub>(OH)\u003Csub>2\u003C\u002Fsub>",4,"3.83","3.84",15294,{"id":101,"name":102,"entrytype":9,"csystem":36,"ima_formula":103,"mindat_formula":103,"hmin":49,"hmax":49,"dmeas":104,"dcalc":105,"primary_image_id":106},3711,"Sonolite","Mn\u003Csup>2+\u003C\u002Fsup>\u003Csub>9\u003C\u002Fsub>(SiO\u003Csub>4\u003C\u002Fsub>)\u003Csub>4\u003C\u002Fsub>(OH)\u003Csub>2\u003C\u002Fsub>","3.82","3.97",22582,[108,115,123,132,141,151,159,168,175,183,192,200,207],{"id":109,"name":110,"entrytype":9,"csystem":94,"ima_formula":111,"mindat_formula":111,"hmin":37,"hmax":37,"dmeas":112,"dcalc":113,"primary_image_id":114},23,"Adelite","CaMg(AsO\u003Csub>4\u003C\u002Fsub>)(OH)","3.71","3.78",208,{"id":116,"name":117,"entrytype":9,"csystem":94,"ima_formula":118,"mindat_formula":119,"hmin":120,"hmax":120,"dmeas":121,"dcalc":121,"primary_image_id":122},549,"Baryte","Ba(SO\u003Csub>4\u003C\u002Fsub>)","BaSO\u003Csub>4\u003C\u002Fsub>",3,"4.50",2758,{"id":124,"name":125,"entrytype":9,"csystem":126,"ima_formula":127,"mindat_formula":128,"hmin":120,"hmax":120,"dmeas":129,"dcalc":130,"primary_image_id":131},859,"Calcite","Trigonal","Ca(CO\u003Csub>3\u003C\u002Fsub>)","CaCO\u003Csub>3\u003C\u002Fsub>","2.7102","2.711",4401,{"id":133,"name":134,"entrytype":9,"csystem":36,"ima_formula":135,"mindat_formula":136,"hmin":120,"hmax":137,"dmeas":138,"dcalc":139,"primary_image_id":140},946,"Chlorophoenicite","(Mn,Mg,Zn)\u003Csub>3\u003C\u002Fsub>Zn\u003Csub>2\u003C\u002Fsub>(AsO\u003Csub>4\u003C\u002Fsub>)(OH,O)\u003Csub>6\u003C\u002Fsub>","(Mn,Mg)\u003Csub>3\u003C\u002Fsub>Zn\u003Csub>2\u003C\u002Fsub>(AsO\u003Csub>4\u003C\u002Fsub>)(OH,O)\u003Csub>6\u003C\u002Fsub>",3.5,"3.46","3.47",5493,{"id":142,"name":143,"entrytype":9,"csystem":144,"ima_formula":145,"mindat_formula":146,"hmin":49,"hmax":147,"dmeas":148,"dcalc":149,"primary_image_id":150},1598,"Franklinite","Isometric","ZnFe\u003Csup>3+\u003C\u002Fsup>\u003Csub>2\u003C\u002Fsub>O\u003Csub>4\u003C\u002Fsub>","Zn\u003Csup>2+\u003C\u002Fsup>Fe\u003Csup>3+\u003C\u002Fsup>\u003Csub>2\u003C\u002Fsub>O\u003Csub>4\u003C\u002Fsub>",6,"5.07","5.163",29732,{"id":152,"name":153,"entrytype":9,"csystem":94,"ima_formula":154,"mindat_formula":155,"hmin":96,"hmax":96,"dmeas":156,"dcalc":157,"primary_image_id":158},1920,"Holdenite","Mn\u003Csup>2+\u003C\u002Fsup>\u003Csub>6\u003C\u002Fsub>Zn\u003Csub>3\u003C\u002Fsub>(AsO\u003Csub>4\u003C\u002Fsub>)\u003Csub>2\u003C\u002Fsub>(SiO\u003Csub>4\u003C\u002Fsub>)(OH)\u003Csub>8\u003C\u002Fsub>","(Mn\u003Csup>2+\u003C\u002Fsup>,Mg)\u003Csub>6\u003C\u002Fsub>Zn\u003Csub>3\u003C\u002Fsub>(AsO\u003Csub>4\u003C\u002Fsub>)\u003Csub>2\u003C\u002Fsub>(SiO\u003Csub>4\u003C\u002Fsub>)(OH)\u003Csub>8\u003C\u002Fsub>","4.11","4.27",11535,{"id":160,"name":161,"entrytype":9,"csystem":94,"ima_formula":162,"mindat_formula":163,"hmin":164,"hmax":164,"dmeas":165,"dcalc":166,"primary_image_id":167},2241,"Kolicite","Zn\u003Csub>4\u003C\u002Fsub>Mn\u003Csup>2+\u003C\u002Fsup>\u003Csub>7\u003C\u002Fsub>(AsO\u003Csub>4\u003C\u002Fsub>)\u003Csub>2\u003C\u002Fsub>(SiO\u003Csub>4\u003C\u002Fsub>)\u003Csub>2\u003C\u002Fsub>(OH)\u003Csub>8\u003C\u002Fsub>","Mn\u003Csup>2+\u003C\u002Fsup>\u003Csub>7\u003C\u002Fsub>Zn\u003Csub>4\u003C\u002Fsub>(AsO\u003Csub>4\u003C\u002Fsub>)\u003Csub>2\u003C\u002Fsub>(SiO\u003Csub>4\u003C\u002Fsub>)\u003Csub>2\u003C\u002Fsub>(OH)\u003Csub>8\u003C\u002Fsub>",4.5,"4.17","4.20",13510,{"id":169,"name":170,"entrytype":9,"csystem":94,"ima_formula":171,"mindat_formula":171,"hmin":120,"hmax":96,"dmeas":172,"dcalc":173,"primary_image_id":174},2268,"Kraisslite","Zn\u003Csub>3\u003C\u002Fsub>(Mn,Mg)\u003Csub>25\u003C\u002Fsub>(Fe\u003Csup>3+\u003C\u002Fsup>,Al)(As\u003Csup>3+\u003C\u002Fsup>O\u003Csub>3\u003C\u002Fsub>)\u003Csub>2\u003C\u002Fsub>[(Si,As\u003Csup>5+\u003C\u002Fsup>)O\u003Csub>4\u003C\u002Fsub>]\u003Csub>10\u003C\u002Fsub>(OH)\u003Csub>16\u003C\u002Fsub>","3.876","3.903",13619,{"id":176,"name":177,"entrytype":9,"csystem":144,"ima_formula":178,"mindat_formula":179,"hmin":137,"hmax":96,"dmeas":180,"dcalc":181,"primary_image_id":182},2543,"Magnussonite","Mn\u003Csup>2+\u003C\u002Fsup>\u003Csub>10\u003C\u002Fsub>As\u003Csup>3+\u003C\u002Fsup>\u003Csub>6\u003C\u002Fsub>O\u003Csub>18\u003C\u002Fsub>(OH,Cl)\u003Csub>2\u003C\u002Fsub>","Mn\u003Csup>2+\u003C\u002Fsup>\u003Csub>10\u003C\u002Fsub>(As\u003Csup>3+\u003C\u002Fsup>O\u003Csub>3\u003C\u002Fsub>)\u003Csub>6\u003C\u002Fsub>(OH,Cl)\u003Csub>2\u003C\u002Fsub>","4.14","4.55",15147,{"id":184,"name":185,"entrytype":9,"csystem":36,"ima_formula":186,"mindat_formula":187,"hmin":188,"hmax":188,"dmeas":189,"dcalc":190,"primary_image_id":191},2495,"Manganohörnesite","Mn\u003Csup>2+\u003C\u002Fsup>\u003Csub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· 8H\u003Csub>2\u003C\u002Fsub>O","Mn\u003Csup>2+\u003C\u002Fsup>\u003Csub>3\u003C\u002Fsub>(AsO\u003Csub>4\u003C\u002Fsub>)\u003Csub>2\u003C\u002Fsub>·8H\u003Csub>2\u003C\u002Fsub>O",1,"2.64","2.76",11642,{"id":193,"name":194,"entrytype":9,"csystem":195,"ima_formula":196,"mindat_formula":196,"hmin":49,"hmax":147,"dmeas":197,"dcalc":198,"primary_image_id":199},3327,"Pyroxmangite","Triclinic","Mn\u003Csup>2+\u003C\u002Fsup>SiO\u003Csub>3\u003C\u002Fsub>","3.61","3.75",20344,{"id":201,"name":202,"entrytype":9,"csystem":94,"ima_formula":203,"mindat_formula":203,"hmin":147,"hmax":147,"dmeas":204,"dcalc":205,"primary_image_id":206},3913,"Tephroite","Mn\u003Csup>2+\u003C\u002Fsup>\u003Csub>2\u003C\u002Fsub>(SiO\u003Csub>4\u003C\u002Fsub>)","3.87","4.15",30817,{"id":208,"name":209,"entrytype":9,"csystem":126,"ima_formula":210,"mindat_formula":210,"hmin":49,"hmax":49,"dmeas":211,"dcalc":212,"primary_image_id":213},4292,"Willemite","Zn\u003Csub>2\u003C\u002Fsub>SiO\u003Csub>4\u003C\u002Fsub>","3.89","4.224",30976,[215,222,230,236,243,249,256,262,268,274,275,281,289,294],{"id":216,"name":217,"entrytype":9,"csystem":94,"ima_formula":218,"mindat_formula":218,"hmin":49,"hmax":147,"dmeas":219,"dcalc":220,"primary_image_id":221},39004,"Chegemite","Ca\u003Csub>7\u003C\u002Fsub>(SiO\u003Csub>4\u003C\u002Fsub>)\u003Csub>3\u003C\u002Fsub>(OH)\u003Csub>2\u003C\u002Fsub>","2.86","2.892",5323,{"id":223,"name":224,"entrytype":9,"csystem":36,"ima_formula":225,"mindat_formula":225,"hmin":147,"hmax":226,"dmeas":227,"dcalc":228,"primary_image_id":229},1027,"Chondrodite","Mg\u003Csub>5\u003C\u002Fsub>(SiO\u003Csub>4\u003C\u002Fsub>)\u003Csub>2\u003C\u002Fsub>F\u003Csub>2\u003C\u002Fsub>",6.5,"3.16","3.177",5536,{"id":231,"name":232,"entrytype":9,"csystem":36,"ima_formula":233,"mindat_formula":234,"hmin":49,"hmax":226,"dmeas":11,"dcalc":235,"primary_image_id":11},42491,"Edgrewite","Ca\u003Csub>9\u003C\u002Fsub>(SiO\u003Csub>4\u003C\u002Fsub>)\u003Csub>4\u003C\u002Fsub>F\u003Csub>2\u003C\u002Fsub>","Ca\u003Csub>9\u003C\u002Fsub>(SiO\u003Csub>4\u003C\u002Fsub>)\u003Csub>4\u003C\u002Fsub>F\u003Csub>2\u003C\u002Fsub> ","2.919",{"id":237,"name":238,"entrytype":9,"csystem":94,"ima_formula":239,"mindat_formula":239,"hmin":147,"hmax":147,"dmeas":240,"dcalc":241,"primary_image_id":242},1947,"Humite","Mg\u003Csub>7\u003C\u002Fsub>(SiO\u003Csub>4\u003C\u002Fsub>)\u003Csub>3\u003C\u002Fsub>F\u003Csub>2\u003C\u002Fsub>","3.20","3.201",29894,{"id":244,"name":245,"entrytype":9,"csystem":36,"ima_formula":246,"mindat_formula":246,"hmin":147,"hmax":147,"dmeas":247,"dcalc":248,"primary_image_id":11},40274,"Hydroxylchondrodite","Mg\u003Csub>5\u003C\u002Fsub>(SiO\u003Csub>4\u003C\u002Fsub>)\u003Csub>2\u003C\u002Fsub>(OH)\u003Csub>2\u003C\u002Fsub>","3.21","3.183",{"id":250,"name":251,"entrytype":9,"csystem":36,"ima_formula":252,"mindat_formula":252,"hmin":226,"hmax":226,"dmeas":253,"dcalc":254,"primary_image_id":255},7729,"Hydroxylclinohumite","Mg\u003Csub>9\u003C\u002Fsub>(SiO\u003Csub>4\u003C\u002Fsub>)\u003Csub>4\u003C\u002Fsub>(OH)\u003Csub>2\u003C\u002Fsub>","3.13","3.14",5859,{"id":257,"name":258,"entrytype":9,"csystem":94,"ima_formula":103,"mindat_formula":103,"hmin":49,"hmax":49,"dmeas":259,"dcalc":260,"primary_image_id":261},2092,"Jerrygibbsite","4.00","4.07",12605,{"id":263,"name":264,"entrytype":9,"csystem":36,"ima_formula":265,"mindat_formula":265,"hmin":37,"hmax":147,"dmeas":11,"dcalc":266,"primary_image_id":267},39209,"Kumtyubeite","Ca\u003Csub>5\u003C\u002Fsub>(SiO\u003Csub>4\u003C\u002Fsub>)\u003Csub>2\u003C\u002Fsub>F\u003Csub>2\u003C\u002Fsub>","2.866",13751,{"id":269,"name":270,"entrytype":9,"csystem":36,"ima_formula":95,"mindat_formula":95,"hmin":49,"hmax":147,"dmeas":271,"dcalc":272,"primary_image_id":273},2384,"Leucophoenicite","3.848","4.01",14421,{"id":92,"name":93,"entrytype":9,"csystem":94,"ima_formula":95,"mindat_formula":95,"hmin":96,"hmax":96,"dmeas":97,"dcalc":98,"primary_image_id":99},{"id":276,"name":277,"entrytype":9,"csystem":94,"ima_formula":278,"mindat_formula":278,"hmin":147,"hmax":226,"dmeas":228,"dcalc":279,"primary_image_id":280},2925,"Norbergite","Mg\u003Csub>3\u003C\u002Fsub>(SiO\u003Csub>4\u003C\u002Fsub>)F\u003Csub>2\u003C\u002Fsub>","3.186",70930,{"id":282,"name":283,"entrytype":9,"csystem":36,"ima_formula":284,"mindat_formula":285,"hmin":37,"hmax":147,"dmeas":286,"dcalc":287,"primary_image_id":288},3387,"Reinhardbraunsite","Ca\u003Csub>5\u003C\u002Fsub>(SiO\u003Csub>4\u003C\u002Fsub>)\u003Csub>2\u003C\u002Fsub>(OH)\u003Csub>2\u003C\u002Fsub>","Ca\u003Csub>5\u003C\u002Fsub>(SiO\u003Csub>4\u003C\u002Fsub>)\u003Csub>2\u003C\u002Fsub>(OH,F)\u003Csub>2\u003C\u002Fsub>","2.85","2.885",20707,{"id":290,"name":291,"entrytype":9,"csystem":94,"ima_formula":15,"mindat_formula":15,"hmin":37,"hmax":37,"dmeas":292,"dcalc":98,"primary_image_id":293},3411,"Ribbeite","3.90",20897,{"id":101,"name":102,"entrytype":9,"csystem":36,"ima_formula":103,"mindat_formula":103,"hmin":49,"hmax":49,"dmeas":104,"dcalc":105,"primary_image_id":106},[296],{"id":297,"txt":298,"latitude":299,"longitude":300,"country":301},4036,"Bald Knob deposit, Bald Knob, Sparta, Alleghany County, North Carolina, USA",36.55,-81.0958333,"USA",62,[304,308,312,316,321,325,328,332,336,340,344],{"id":305,"year":306,"html":307,"doi":11},519937,1932,"Ross, Clarence S., Kerr, Paul F. (1932) The manganese minerals of a vein near Bald Knob, North Carolina. \u003Ci>American Mineralogist\u003C\u002Fi>,  17 (1) 1-18 \u003Ca target='_blank' href='http:\u002F\u002Fwww.minsocam.org\u002Fammin\u002FAM17\u002FAM17_1.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":309,"year":310,"html":311,"doi":11},520285,1935,"Rogers, Austin F. (1935) The chemical formula and crystal system of alleghanyite. \u003Ci>American Mineralogist\u003C\u002Fi>,  20 (1) 25-35 \u003Ca target='_blank' href='http:\u002F\u002Fwww.minsocam.org\u002Fammin\u002FAM20\u002FAM20_25.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":313,"year":314,"html":315,"doi":11},525250,1969,"Cook, David (1969) Sonolite, alleghanyite and leucophoenicite from New Jersey. \u003Ci>American Mineralogist\u003C\u002Fi>,  54 (9-10) 1392-1398 \u003Ca target='_blank' href='http:\u002F\u002Fwww.minsocam.org\u002Fammin\u002FAM54\u002FAM54_1392.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":317,"year":318,"html":319,"doi":320},108093,1970,"Rentzeperis, P. J. (1970) The crystal structure of alleghanyite, Mn\u003Csub>5\u003C\u002Fsub>[(OH)\u003Csub>2\u003C\u002Fsub>|(SiO\u003Csub>4\u003C\u002Fsub>)\u003Csub>2\u003C\u002Fsub>]. \u003Ci>Zeitschrift für Kristallographie\u003C\u002Fi>,  132 (1). 1-18 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1524\u002Fzkri.1970.132.16.1'>doi:10.1524\u002Fzkri.1970.132.16.1\u003C\u002Fa> \u003Ca target='_blank' href='https:\u002F\u002Frruff.info\u002Fdoclib\u002Fzk\u002Fvol132\u002FZK132_1.pdf' class='refpdflink'>\u003C\u002Fa>","10.1524\u002Fzkri.1970.132.16.1",{"id":322,"year":323,"html":324,"doi":11},16099896,1980,"Nambu, M., Tanida, K., Kitamura, T. (1980) Alleghanyite from Hanawa Mine, Iwate Prefecture. Research Institute of Mineral Dressing and Metallurgy, Tohobu University: 36: 43-54.",{"id":326,"year":323,"html":327,"doi":11},16099897,"Momoi, H. (1980) Notes on Hydrothermal Syntheses of Alleghanyite Group. Journal of the Mineralogical Society of Japan: 14: 179-187.",{"id":329,"year":330,"html":331,"doi":11},12907832,1984,"Dunn, Pete J., Petersen, Ole V., Bollhorn, J. (1984) A Highly Magnesian Alleghanyite from Sterling Hill, New Jersey. \u003Ci>The Mineralogical Record\u003C\u002Fi>, 15 (5) 299-302",{"id":333,"year":334,"html":335,"doi":11},528050,1985,"Francis, Carl A. (1985) Crystal structure refinement of magnesian alleghanyite. \u003Ci>American Mineralogist\u003C\u002Fi>,  70 (1-2) 182-185 \u003Ca target='_blank' href='http:\u002F\u002Fwww.minsocam.org\u002Fammin\u002FAM70\u002FAM70_182.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":337,"year":338,"html":339,"doi":11},16962629,2001,"(2001) Alleghanyite. \u003Ci>Handbook of Mineralogy\u003C\u002Fi>. Mineralogical Society of America \u003Ca target='_blank' href='https:\u002F\u002Fwww.handbookofmineralogy.org\u002Fpdfs\u002Falleghanyite.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":341,"year":342,"html":343,"doi":11},16014853,2002,"Brusnitsyn, A. I., Chukanov, N. V. (2002): Ribbeite and alleghanyite from the Yuzhno-Faisulinskoe manganese ore deposit (southern Urals). Zapiski Vserossiiskogo Mineralogicheskogo Obshchestva 131, 98-111 (in Russian).",{"id":345,"year":346,"html":347,"doi":348},16099901,2007,"Palmer, Sara, Jagannadha Reddy, B., Frost, Ray L. (2007) Application of UV–Vis, near-infrared and mid-infrared spectroscopy to the study of Mn-bearing humites. \u003Ci>Polyhedron\u003C\u002Fi>,  26 (2). 524-533 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1016\u002Fj.poly.2006.09.038'>doi:10.1016\u002Fj.poly.2006.09.038\u003C\u002Fa>","10.1016\u002Fj.poly.2006.09.038",[350,359,369,377,387],{"id":351,"source_url":352,"license_code":353,"credit_html":354,"title":355,"description":356,"author":357,"original_width":358,"original_height":358},773,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=1955843","Public domain","Dave Dyet http:\u002F\u002Fwww.shutterstone.com http:\u002F\u002Fwww.dyet.com, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=1955843\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Alleghanyite Basic manganese silicate Hamayokokawa Mine Tatunocho Nagano Prefecture Japan.jpg","These mineral images are free to use how you wish.","Dave Dyet http:\u002F\u002Fwww.shutterstone.com http:\u002F\u002Fwww.dyet.com",640,{"id":360,"source_url":361,"license_code":362,"credit_html":363,"title":364,"description":365,"author":366,"original_width":367,"original_height":368},774,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10120454","CC BY-SA 3.0","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10120454\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Alleghanyite-21573.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FAlleghanyite\" class=\"extiw\" title=\"en:Alleghanyite\">Alleghanyite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Sterling Mine, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FSterling_Hill_Mining_Museum\" class=\"extiw\" title=\"en:Sterling Hill Mining Museum\">Sterling Hill\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FOgdensburg\" class=\"extiw\" title=\"en:Ogdensburg\">Ogdensburg\u003C\u002Fa>, Franklin Mining District, Sussex County, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FNew_Jersey\" class=\"extiw\" title=\"en:New Jersey\">New Jersey\u003C\u002Fa>, USA (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-3948.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Alleghanyite is an exceptionally rare member of the humite group, and this specimen is unusually rich with gemmy brown microcrystals to 2 mm flatlaying along an approximately 3-cm vertical axis on this specimen . The matrix is a typical mix of franklinite\u002Fcalcite\u002Fwillemite and is highly fluorescent. 11 x 6.5 x 4 cm\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>","Robert M. Lavinsky",400,345,{"id":370,"source_url":371,"license_code":362,"credit_html":372,"title":373,"description":374,"author":366,"original_width":375,"original_height":376},775,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10137375","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10137375\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Alleghanyite-70403.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FAlleghanyite\" class=\"extiw\" title=\"en:Alleghanyite\">Alleghanyite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Sunnyside Mine (American Tunnel; Mogul Mine; Washington Mine; Belle Creole; Gold Prince; Brenneman Mine; Sunnyside Mine Group), Howardsville, Silverton District, San Juan County, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FColorado\" class=\"extiw\" title=\"en:Colorado\">Colorado\u003C\u002Fa>, USA (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-3687.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>These crystals, despite their size, are some of the finest color, exceptionally well crystallized Alleghanyites you\u003Ci>ll see from any locality. Typically Alleghanyite forms in pinkish-grey or pinkish-brown color crystals, if they\u003C\u002Fi>re even crystallized at all (most Alleghanyite I\u003Ci>ve seen is anhedral and good crystals are few and far between in this world. With that said, the crystals on this piece are wonderfully crystallized and have a superb vibrant pink color. The color is truly as good as any locality gets. The crystals are rather small (mostly micros), but there are dozens upon dozens of them loaded in\u002Fon a massive lighter pink color Pyroxmangite matrix with minor sulfides and Quartz. This is XRD confirmed Alleghanyite, and could actually be broken up into several killer micromounts that would satisfy plenty of collectors. 6.8 x 5.6 x 3.7cm\u003C\u002Fi>\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",614,504,{"id":378,"source_url":379,"license_code":380,"credit_html":381,"title":382,"description":383,"author":384,"original_width":385,"original_height":386},780,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=178785403","CC BY 4.0","Miguel Calvo, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=178785403\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Alleghanyita, pyroxmangita.jpg","Pyroxmangite (pink), manganese oxides (black), alleghanyite (brown), rhodochrosite (cream). Polished slab. Preciosa Mine, Valverde del Camino (Huelva), Spain. Largest dimension 7 cm. Collection and photo by M. Calvo.","Miguel Calvo",1879,1454,{"id":388,"source_url":389,"license_code":390,"credit_html":391,"title":392,"description":393,"author":394,"original_width":395,"original_height":396},776,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=119825794","CC BY 3.0","Kelly Nash, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=119825794\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Kellyite, Kutnohorite, Alleghanyite, Jacobsite-483936.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FKellyite\" class=\"extiw\" title=\"en:Kellyite\">Kellyite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FKutnohorite\" class=\"extiw\" title=\"en:Kutnohorite\">Kutnohorite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FAlleghanyite\" class=\"extiw\" title=\"en:Alleghanyite\">Alleghanyite\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FJacobsite\" class=\"extiw\" title=\"en:Jacobsite\">Jacobsite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Field of view: 3 mm\u003C\u002Fdd>\n\u003Cdd>Locality: Bald Knob deposit (Primary ore body; Crouse Knob deposit), Bald Knob, Sparta, Alleghany County, North Carolina, USA\u003C\u002Fdd>\n\u003Cdd>Description: Micro shiny hexagonal yellow micaceous flake of kellyite in kutnahorite (white), with associated alleghanyite (red) and jacobsite (black). Collected by S. Adams Sept. 1996 via Dave Shannon. K. Nash specimen and photo.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>","Kelly Nash",836,668,[398],{"id":399,"url":400,"label":401,"formula":402,"spacegroup":403,"year":334},334,"\u002Fcif\u002F334.cif","Francis 1985","Mg1.947 Mn2.869 Zn.184 Si2 O9.06 (F.94 H1.06)","P 21\u002Fb 1 1",[405,406,407],"Alleganyte","Alleghanyiet","Alleghanyitt",[409,414,418,422,426,430,434,437,441,445,449,452,455,459],{"lang":410,"names":411},"ar",[412,413],"أليغانيت","اليجانايت",{"lang":415,"names":416},"ca",[417],"al·leghanyita",{"lang":419,"names":420},"de",[421],"Alleghanyit",{"lang":423,"names":424},"es",[425],"alleghanyito",{"lang":427,"names":428},"eu",[429],"Alleghanyita",{"lang":431,"names":432},"fr",[433],"alleghanyite",{"lang":435,"names":436},"it",[433],{"lang":438,"names":439},"ja",[440],"アレガニー石",{"lang":442,"names":443},"lv",[444],"Alleganijīts",{"lang":446,"names":447},"mk",[448],"Алеганит",{"lang":450,"names":451},"nl",[433],{"lang":453,"names":454},"pl",[421],{"lang":456,"names":457},"uk",[458],"Алеганіт",{"lang":460,"names":461},"zh",[462],"粒矽錳石","Q3612408",{"history":11,"applications":11}]