[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"minerals:one:3359":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":20,"key_elements":11,"impurities":11,"cim":21,"ima_status":22,"ima_notes":11,"ima_history":11,"approval_year":11,"publication_year":11,"discovery_year":25,"strunz10ed1":26,"strunz10ed2":27,"strunz10ed3":28,"strunz10ed4":29,"dana8ed1":26,"dana8ed2":26,"dana8ed3":30,"dana8ed4":31,"csystem":32,"cclass":33,"spacegroup":11,"spacegroupset":34,"a":35,"b":36,"c":37,"alpha":34,"beta":34,"gamma":34,"aerror":11,"berror":11,"cerror":11,"alphaerror":11,"betaerror":11,"gammaerror":11,"va3":38,"z":39,"csmetamict":14,"commentcrystal":40,"twinning":11,"tranglide":11,"parting":11,"epitaxidescription":11,"morphology":11,"tlform":11,"hmin":41,"hmax":41,"hardtype":11,"vhnmin":34,"vhnmax":34,"vhnerror":11,"vhng":11,"vhns":11,"commenthard":11,"dmeas":42,"dmeas2":42,"dcalc":43,"dmeaserror":11,"dcalcerror":11,"commentdense":11,"lustre":11,"lustretype":44,"commentluster":11,"diapheny":45,"streak":46,"colour":47,"commentcolor":11,"colors":48,"streak_colors":52,"luminescence":11,"uv":11,"cleavage":11,"cleavagetype":53,"fracturetype":11,"tenacity":11,"commentbreak":11,"opticaltype":11,"opticalsign":11,"opticalalpha":34,"opticalalpha2":34,"opticalalphaerror":11,"opticalbeta":34,"opticalbeta2":34,"opticalbetaerror":11,"opticalgamma":34,"opticalgamma2":34,"opticalgammaerror":11,"opticalomega":34,"opticalomega2":34,"opticalomegaerror":11,"opticalepsilon":34,"opticalepsilon2":34,"opticalepsilonerror":11,"opticaln":34,"opticaln2":34,"opticalnerror":11,"optical2vcalc":34,"optical2vcalc2":34,"optical2vcalcerror":11,"optical2vmeasured":34,"optical2vmeasured2":34,"optical2vmeasurederror":11,"rimin":11,"rimax":11,"opticaldispersion":11,"opticalpleochroism":11,"opticalpleochorismdesc":11,"opticalbirefringence":11,"opticalcomments":54,"opticalcolour":55,"opticalinternal":11,"opticaltropic":56,"opticalanisotropism":57,"opticalbireflectance":58,"opticalextinction":11,"opticalr":11,"specdispm":11,"ir":11,"electrical":11,"magnetism":11,"thermalbehaviour":11,"other":11,"industrial":11,"occurrence":11,"otheroccurrence":59,"type_specimen_store":11,"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":88,"confused_with":89,"type_localities":99,"occurrence_total":104,"citations":105,"images":180,"structures":387,"synonyms":400,"language_names":403,"wikidata_qid":445,"texts":446},3359,"1:1:3359:2","8bb7f930-0763-4076-b2c8-81064a0e84b4","Ramsdellite","Rmd",0,"mineral",null,39941,1602,false,"Mn\u003Csup>4+\u003C\u002Fsup>O\u003Csub>2\u003C\u002Fsub>","MnO\u003Csub>2\u003C\u002Fsub>",[18,19],"Mn","O",[18,19],"7.18.4",[23,24],"APPROVED","GRANDFATHERED","1943","4","D","B","15a","7","1","Orthorhombic",8,"0","4.53","9.27","2.86",120.43,4,"Non-standard space-group setting Pbnm.",3,"4.37","4.79","Sub-Metallic","Opaque","brownish black, black","Black, steel-grey",[49,50,51],"black","gray","brown",[51,49],"Distinct\u002FGood","No published reflectivity data.","Yellowish white.","Anisotropic","Strong; pale yellow.","Distinct.","No designated type material.","Forms by inversion of pyrolusite or oxidative dehydrogenation of groutite.\r\n\r\nThe \"groutellite\" variety is sometimes (e.g., Bernardini et al., 2020) given as [(Mn4+0.5,Mn3+0.5)O1.5(OH)0.5].\r\n\r\nWell-recognizable via vibrational (Raman) spectroscopy.\r\n\r\n...","Named in honor of Lewis Stephen Ramsdell (4 June 1895, Clinton, Michigan, USA - 14 July 1975, Palo Alto, California, USA), Professor of Mineralogy at the University of Michigan, who first described the mineral.","2025-08-11 12:14:23",[],[65,72,81],{"id":66,"name":67,"entrytype":9,"csystem":68,"ima_formula":16,"mindat_formula":69,"hmin":11,"hmax":11,"dmeas":34,"dcalc":70,"primary_image_id":71},71,"Akhtenskite","Hexagonal","ε-Mn\u003Csup>4+\u003C\u002Fsup>O\u003Csub>2\u003C\u002Fsub>","4.78",476,{"id":73,"name":74,"entrytype":9,"csystem":68,"ima_formula":75,"mindat_formula":76,"hmin":77,"hmax":33,"dmeas":78,"dcalc":79,"primary_image_id":80},2940,"Nsutite","Mn\u003Csup>2+\u003C\u002Fsup>\u003Csub>x\u003C\u002Fsub>Mn\u003Csup>4+\u003C\u002Fsup>\u003Csub>1-x\u003C\u002Fsub>O\u003Csub>2-2x\u003C\u002Fsub>(OH)\u003Csub>2x\u003C\u002Fsub>","(Mn\u003Csup>4+\u003C\u002Fsup>,Mn\u003Csup>2+\u003C\u002Fsup>)(O,OH)\u003Csub>2\u003C\u002Fsub>",6.5,"4.24","4.86",17933,{"id":82,"name":83,"entrytype":9,"csystem":32,"ima_formula":84,"mindat_formula":85,"hmin":11,"hmax":11,"dmeas":34,"dcalc":86,"primary_image_id":87},3100,"Paramontroseite","VO\u003Csub>2\u003C\u002Fsub>","V\u003Csup>4+\u003C\u002Fsup>O\u003Csub>2\u003C\u002Fsub>","4.09",18693,[],[90,91],{"id":66,"name":67,"entrytype":9,"csystem":68,"ima_formula":16,"mindat_formula":69,"hmin":11,"hmax":11,"dmeas":34,"dcalc":70,"primary_image_id":71},{"id":92,"name":93,"entrytype":9,"csystem":94,"ima_formula":16,"mindat_formula":15,"hmin":95,"hmax":77,"dmeas":96,"dcalc":97,"primary_image_id":98},3318,"Pyrolusite","Tetragonal",2,"5.04","5.189",20263,[100],{"id":101,"txt":102,"latitude":11,"longitude":11,"country":103},21700,"Lake Valley Mining District, Sierra County, New Mexico, USA","USA",96,[106,110,114,118,123,127,131,136,140,144,148,152,156,161,166,171,175],{"id":107,"year":108,"html":109,"doi":11},519966,1932,"Ramsdell, Lewis S. (1932) An X-ray study of psilomelane and wad. \u003Ci>American Mineralogist\u003C\u002Fi>,  17 (4) 143-149 \u003Ca target='_blank' href='http:\u002F\u002Fwww.minsocam.org\u002Fammin\u002FAM17\u002FAM17_143.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":111,"year":112,"html":113,"doi":11},16106593,1943,"Fleischer, M. (1943) New mineral names. American Mineralogist: 28: 615-615.",{"id":115,"year":112,"html":116,"doi":117},233554,"Fleischer, Michael, Richmond, Wallace Everett (1943) The manganese oxide minerals, a preliminary report. \u003Ci>Economic Geology\u003C\u002Fi>,  38 (4) 269-286 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.2113\u002Fgsecongeo.38.4.269'>doi:10.2113\u002Fgsecongeo.38.4.269\u003C\u002Fa>","10.2113\u002Fgsecongeo.38.4.269",{"id":119,"year":120,"html":121,"doi":122},16487345,1949,"Byström, Ann Marie, Lund, E. Wang, Lund, L. Koren, Hakala, Maire (1949) The Crystal Structure of Ramsdellite, an Orthorhombic Modification of MnO2. \u003Ci>Acta Chemica Scandinavica\u003C\u002Fi>, 3. 163-173 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.3891\u002Facta.chem.scand.03-0163'>doi:10.3891\u002Facta.chem.scand.03-0163\u003C\u002Fa>","10.3891\u002Facta.chem.scand.03-0163",{"id":124,"year":125,"html":126,"doi":11},16121520,1957,"Kedesdy, H., Katz, G., Levin, S.B. (1957) Structural relationship between ramsdellite and some synthetic manganese oxides (abs). Acta Crystallographica: l0: 780-781.",{"id":128,"year":125,"html":129,"doi":130},232672,"Klingsberg, Cyrus, Roy, Rustum (1957) Ramsdellite: newly observed in Minnesota. \u003Ci>Economic Geology\u003C\u002Fi>,  52 (5) 574-577 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.2113\u002Fgsecongeo.52.5.574'>doi:10.2113\u002Fgsecongeo.52.5.574\u003C\u002Fa>","10.2113\u002Fgsecongeo.52.5.574",{"id":132,"year":133,"html":134,"doi":135},5538,1959,"Mukherjee, Bibhuti (1959) An X-ray study of manganese minerals. \u003Ci>Mineralogical Magazine and Journal of the Mineralogical Society\u003C\u002Fi>,  32 (247) 332-339 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1180\u002Fminmag.1959.032.247.06'>doi:10.1180\u002Fminmag.1959.032.247.06\u003C\u002Fa> \u003Ca target='_blank' href='https:\u002F\u002Frruff.info\u002Fdoclib\u002FMinMag\u002FVolume_32\u002F32-247-332.pdf' class='refpdflink'>\u003C\u002Fa>","10.1180\u002Fminmag.1959.032.247.06",{"id":137,"year":138,"html":139,"doi":11},16121523,1960,"Bernardova, E. Slanksy, E. (1960) The occurrence of ramsdellite in Czechoslovakia. Vestnik Ustredniho Ustavu Geologickeho: 35: 153-154. (English summary)",{"id":141,"year":142,"html":143,"doi":11},523647,1962,"Fleischer, Michael, Richmond, W. E., Evans, Howard T. (1962) Studies of the manganese oxides. V. Ramsdellite, MnO2, an orthorhombic dimorph of pyrolusite. \u003Ci>American Mineralogist\u003C\u002Fi>,  47 (1-2) 47-58 \u003Ca target='_blank' href='http:\u002F\u002Fwww.minsocam.org\u002Fammin\u002FAM47\u002FAM47_47.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":145,"year":146,"html":147,"doi":11},16110942,1969,"Majmundar, H. H. (1969) Ramsdellite and groutite from Nova Scotia. \u003Ci>The Canadian Mineralogist\u003C\u002Fi>,  9 (5) 718-720 \u003Ca target='_blank' href='https:\u002F\u002Frruff.info\u002Frruff_1.0\u002Fuploads\u002FCM9_718.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":149,"year":150,"html":151,"doi":11},527338,1979,"Potter, Russell M., Rossman, George R (1979) The tetravalent manganese oxides: identification, hydration, and structural relationships by infrared spectroscopy. \u003Ci>American Mineralogist\u003C\u002Fi>,  64 (11-12) 1199-1218 \u003Ca target='_blank' href='http:\u002F\u002Fwww.minsocam.org\u002FAmMin\u002FAM64\u002FAM64_1199\u002FAM79-117_wavenumbers.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":153,"year":154,"html":155,"doi":11},16006451,1990,"Miura, Hiroyuki, Kudou, Haruhiko, Choi, Jai Ho, Hariya, Yu (1990) The Crystal Structure of Ramsdellite from Pirika Mine. \u003Ci>Journal of the Faculty of Science, Hokkaido University. Series 4, Geology and mineralogy\u003C\u002Fi>,  22 (4). 611-617 \u003Ca target='_blank' href='https:\u002F\u002Feprints.lib.hokudai.ac.jp\u002Fdspace\u002Fbitstream\u002F2115\u002F36769\u002F1\u002F22_4_p611-617.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":157,"year":158,"html":159,"doi":160},114245,1994,"Fong, C., Kennedy, B. J., Elcombe, M. M. (1994) A powder neutron diffraction study of λ and γ manganese dioxide and of LiMn2O4. \u003Ci>Zeitschrift für Kristallographie - Crystalline Materials\u003C\u002Fi>,  209 (12) 941-945 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1524\u002Fzkri.1994.209.12.941'>doi:10.1524\u002Fzkri.1994.209.12.941\u003C\u002Fa>","10.1524\u002Fzkri.1994.209.12.941",{"id":162,"year":163,"html":164,"doi":165},583499,1997,"Kohler, Thomas, Armbruster, Thomas, Libowitzky, Eugen (1997) Hydrogen Bonding and Jahn–Teller Distortion in Groutite,α-MnOOH, and Manganite,γ-MnOOH, and Their Relations to the Manganese Dioxides Ramsdellite and Pyrolusite. \u003Ci>Journal of Solid State Chemistry\u003C\u002Fi>,  133. 486-500 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1006\u002Fjssc.1997.7516'>doi:10.1006\u002Fjssc.1997.7516\u003C\u002Fa>","10.1006\u002Fjssc.1997.7516",{"id":167,"year":168,"html":169,"doi":170},395069,2004,"Post, Jeffrey E., Heaney, Peter J. (2004) Neutron and synchrotron X-ray diffraction study of the structures and dehydration behaviors of ramsdellite and “groutellite”. \u003Ci>American Mineralogist\u003C\u002Fi>,  89 (7) 969-975 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.2138\u002Fam-2004-0706'>doi:10.2138\u002Fam-2004-0706\u003C\u002Fa> \u003Ca target='_blank' href='https:\u002F\u002Frruff.info\u002Fdoclib\u002Fam\u002Fvol89\u002FAM89_969.pdf' class='refpdflink'>\u003C\u002Fa>","10.2138\u002Fam-2004-0706",{"id":172,"year":173,"html":174,"doi":11},16966922,2005,"(2005) Ramsdellite. \u003Ci>Handbook of Mineralogy\u003C\u002Fi>. Mineralogical Society of America \u003Ca target='_blank' href='https:\u002F\u002Fwww.handbookofmineralogy.org\u002Fpdfs\u002Framsdellite.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":176,"year":177,"html":178,"doi":179},8133841,2020,"Bernardini, Simone, Bellatreccia, Fabio, Della Ventura, Giancarlo, Ballirano, Paolo, Sodo, Armida (2020) Raman spectroscopy and laser-induced degradation of groutellite and ramsdellite, two cathode materials of technological interest. \u003Ci>RSC Advances\u003C\u002Fi>, 10 (2). 923-929 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1039\u002Fc9ra08662e'>doi:10.1039\u002Fc9ra08662e\u003C\u002Fa>","10.1039\u002Fc9ra08662e",[181,191,199,207,214,221,228,235,242,250,256,263,270,276,283,290,297,304,311,318,325,332,339,345,352,359,366,373,380],{"id":182,"source_url":183,"license_code":184,"credit_html":185,"title":186,"description":187,"author":188,"original_width":189,"original_height":190},20541,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10127474","CC BY-SA 3.0","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10127474\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Ramsdellite-40088.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FRamsdellite\" class=\"extiw\" title=\"en:Ramsdellite\">Ramsdellite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Sierra County, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FNew_Mexico\" class=\"extiw\" title=\"en:New Mexico\">New Mexico\u003C\u002Fa>, USA (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-7844.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>This specimen is about the best you can ask for in the species, with lustrous, wet-looking, jet black crystals in 1.2 cm radial aggregates richly covering the matrix. It IS a most impressive specimen, in person, for a black mineral - without even knowing anything about the species. But, given what it is, I find it one of the most interesting pieces in the update for rarity. 5.7 x 3.5 x 2.2 cm\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>","Robert M. Lavinsky",600,394,{"id":192,"source_url":193,"license_code":184,"credit_html":194,"title":195,"description":196,"author":188,"original_width":197,"original_height":198},20542,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10161713","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10161713\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Ramsdellite-216663.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FRamsdellite\" class=\"extiw\" title=\"en:Ramsdellite\">Ramsdellite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Mistake Mine (Box Canyon deposits), Sam Powell Peak, Box Canyon District, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FYavapai_County,_Arizona\" class=\"extiw\" title=\"en:Yavapai County, Arizona\">Yavapai County\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FArizona\" class=\"extiw\" title=\"en:Arizona\">Arizona\u003C\u002Fa>, USA (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-3397.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 7.9 x 4.8 x 2.0 cm.\u003C\u002Fdd>\n\u003Cdd>In a pleasing sculptural vug is a plate of equant, splendent, black ramsdellite crystals, to .6 cm across. This is a superb example of the species, and a beautiful, 3-dimensional piece in person.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",800,502,{"id":200,"source_url":201,"license_code":184,"credit_html":202,"title":203,"description":204,"author":188,"original_width":205,"original_height":206},76253,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10160738","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10160738\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Ramsdellite-210861.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FRamsdellite\" class=\"extiw\" title=\"en:Ramsdellite\">Ramsdellite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Lake Valley District, Sierra County, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FNew_Mexico\" class=\"extiw\" title=\"en:New Mexico\">New Mexico\u003C\u002Fa>, USA (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-21700.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 4.7 x 4.0 x 2.4 cm.\u003C\u002Fdd>\n\u003Cdd>Scintillating, metallic-gray to iridescent brassy and green ramsdellite needles richly line a vug in botryoidal matrix. This showy and excellent specimen is from the Type Locality - the Lake Valley District of New Mexico. Ramsdellite is a rare manganese oxide and this is superb material. Ex. Ed Ruggiero Collection and purchased from Pala Properties in July, 1975.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",700,617,{"id":208,"source_url":209,"license_code":184,"credit_html":210,"title":211,"description":212,"author":188,"original_width":197,"original_height":213},20543,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10161723","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10161723\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Ramsdellite-216691.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FRamsdellite\" class=\"extiw\" title=\"en:Ramsdellite\">Ramsdellite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Mistake Mine (Box Canyon deposits), Sam Powell Peak, Box Canyon District, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FYavapai_County,_Arizona\" class=\"extiw\" title=\"en:Yavapai County, Arizona\">Yavapai County\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FArizona\" class=\"extiw\" title=\"en:Arizona\">Arizona\u003C\u002Fa>, USA (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-3397.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 4.1 x 2.9 x 1.3 cm.\u003C\u002Fdd>\n\u003Cdd>A cluster of equant, splendent, black ramsdellite crystals, to .5 cm across, is emplaced on a small amount of matrix. A few of the crystals are also doubly terminated. In addition, there is a thin coating of what might be gypsum, on some of the crystals. Very 3-dimensional cluster atop.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",597,{"id":215,"source_url":216,"license_code":184,"credit_html":217,"title":218,"description":212,"author":188,"original_width":219,"original_height":220},20544,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10161724","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10161724\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Ramsdellite-216692.jpg",400,315,{"id":222,"source_url":223,"license_code":184,"credit_html":224,"title":225,"description":226,"author":188,"original_width":227,"original_height":197},76254,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10161718","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10161718\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Ramsdellite-216666.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FRamsdellite\" class=\"extiw\" title=\"en:Ramsdellite\">Ramsdellite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Mistake Mine (Box Canyon deposits), Sam Powell Peak, Box Canyon District, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FYavapai_County,_Arizona\" class=\"extiw\" title=\"en:Yavapai County, Arizona\">Yavapai County\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FArizona\" class=\"extiw\" title=\"en:Arizona\">Arizona\u003C\u002Fa>, USA (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-3397.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 6.1 x 4.7 x 2.4 cm.\u003C\u002Fdd>\n\u003Cdd>Emplaced on matrix is an intergrown plate of equant, splendent, black, ramsdellite, in crystals to .5 cm across. One of the larger, more robust specimens, with good isolation of larger crystals upon smaller ones.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",668,{"id":229,"source_url":230,"license_code":184,"credit_html":231,"title":232,"description":233,"author":188,"original_width":189,"original_height":234},20545,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10163565","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10163565\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Ramsdellite-229714.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FRamsdellite\" class=\"extiw\" title=\"en:Ramsdellite\">Ramsdellite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Mistake Mine (Box Canyon deposits), Sam Powell Peak, Box Canyon District, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FYavapai_County,_Arizona\" class=\"extiw\" title=\"en:Yavapai County, Arizona\">Yavapai County\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FArizona\" class=\"extiw\" title=\"en:Arizona\">Arizona\u003C\u002Fa>, USA (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-3397.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 3.5 x 2.4 x 0.8 cm.\u003C\u002Fdd>\n\u003Cdd>Ramsdellite is a rare manganese oxide. This is an intergrown plate of equant, splendent, black ramsdellite crystals to 5 mm across. Ramsdellite from this small and defunct mine in a remote corner of Arizona was first found, I am told, in the early 1900s. However, the locality was apparently lost for some time and only rediscovered by the father\u002Fson team of Roy Jones and Dick Jones in the 1960s. Some of this material came out then (Roy says about 6 flats). This recent find appeared literally in the middle of the Tucson show. It features very fine quality Ramsdellite crystals on manganese-rich matrix, and the crystals have excellent lustre and jet-black color to them. There was an old MR article about the Mistake Mine in one of the Arizona issues, and also this is referenced in Mineralogy of Arizona by Bideaux, et al.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",484,{"id":236,"source_url":237,"license_code":184,"credit_html":238,"title":239,"description":240,"author":188,"original_width":241,"original_height":197},76255,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10161719","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10161719\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Ramsdellite-216687.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FRamsdellite\" class=\"extiw\" title=\"en:Ramsdellite\">Ramsdellite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Mistake Mine (Box Canyon deposits), Sam Powell Peak, Box Canyon District, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FYavapai_County,_Arizona\" class=\"extiw\" title=\"en:Yavapai County, Arizona\">Yavapai County\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FArizona\" class=\"extiw\" title=\"en:Arizona\">Arizona\u003C\u002Fa>, USA (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-3397.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 5.7 x 4.6 x 2.6 cm.\u003C\u002Fdd>\n\u003Cdd>Nearly covering its matrix is a plate of equant, splendent, black, ramsdellite crystals, to .6 cm across. One of the larger pieces, very 3-dimensional overall. Many crystals are quite isolated, which is unusual.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",749,{"id":243,"source_url":244,"license_code":184,"credit_html":245,"title":246,"description":247,"author":188,"original_width":248,"original_height":249},20546,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10165750","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10165750\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Ramsdellite-242630.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FRamsdellite\" class=\"extiw\" title=\"en:Ramsdellite\">Ramsdellite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Mistake Mine (Box Canyon deposits), Sam Powell Peak, Box Canyon District, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FYavapai_County,_Arizona\" class=\"extiw\" title=\"en:Yavapai County, Arizona\">Yavapai County\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FArizona\" class=\"extiw\" title=\"en:Arizona\">Arizona\u003C\u002Fa>, USA (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-3397.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 6.6 x 3.9 x 3.5 cm.\u003C\u002Fdd>\n\u003Cdd>Ramsdellite is a rare manganese oxide. This is a showy and rich specimen of a large vug filled with intergrown, equant, splendent, striated, black ramsdellite crystals to 1 cm across, which is large for this new find. Ramsdellite from this small and defunct mine in a remote corner of Arizona was first found, I am told, in the early 1900s. However, the locality was apparently lost for some time and only rediscovered by the father\u002Fson team of Roy Jones and Dick Jones in the 1960s. Some of this material came out then (Roy says about 6 flats). Still, a recent find appeared literally in the middle of the Tucson Show and surprised me. It features very fine Ramsdellite crystals on manganese-rich matrix, and the crystals have excellent lustre and jet-black color to them. There was an old MR article about the Mistake Mine in one of the Arizona issues, and also this is referenced in Mineralogy of Arizona by Bideaux, et al. Ex. Paul Nicholson and Tarnowski Collections.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",750,562,{"id":251,"source_url":252,"license_code":184,"credit_html":253,"title":254,"description":240,"author":188,"original_width":255,"original_height":219},76256,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10161720","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10161720\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Ramsdellite-216688.jpg",347,{"id":257,"source_url":258,"license_code":184,"credit_html":259,"title":260,"description":261,"author":188,"original_width":262,"original_height":219},20548,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10474147","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10474147\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Ramsdellite-cu05c.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FRamsdellite\" class=\"extiw\" title=\"en:Ramsdellite\">Ramsdellite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Mistake Mine (Box Canyon deposits), Sam Powell Peak, Box Canyon District, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FYavapai_County,_Arizona\" class=\"extiw\" title=\"en:Yavapai County, Arizona\">Yavapai County\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FArizona\" class=\"extiw\" title=\"en:Arizona\">Arizona\u003C\u002Fa>, USA (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-3397.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: cabinet, 11.3 x 9.1 x 5.3 cm\n\u003Cdl>\u003Cdt>Ramsdellite\u003C\u002Fdt>\u003C\u002Fdl>\u003C\u002Fdd>\n\u003Cdd>This is a 3-dimensional knoll of sharply prismatic, splendent, black, ramdellite crystals, to 5 or 6 mm across. Ramsdellite from this small and defunct mine in a remote corner of Arizona was first found, I am told, in the early 1900s. However, the locality was apparently lost for some time and only rediscovered by the father\u002Fson team of Roy Jones and Dick Jones in the 1960s. Some of this material came out then (Roy says about 6 flats), of which this would have been a MAJOR specimen for the time and the find, large in size and quality both. I have seen this material in inferior specimens, turn up from time to time in old US collections. However, it has remained fairly rare on the market, and thus expensive. A recent find appeared literally in the middle of the Tucson show of 2009, but nothing of this overall size and calibre was recovered and this remains a major example for the lcoality and species. Reference: MINERALOGICAL RECORD: Vol. 14, No. 5 September - October 1983 Ramsdellite from the Mistake Mine [Arizona] 333-335 William H. Wilkinson, Jr., Robert W. Allgood, Carlos Williams & Genne M. Allgood\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",393,{"id":264,"source_url":265,"license_code":184,"credit_html":266,"title":267,"description":268,"author":188,"original_width":269,"original_height":197},76257,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10161726","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10161726\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Ramsdellite-216693.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FRamsdellite\" class=\"extiw\" title=\"en:Ramsdellite\">Ramsdellite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Mistake Mine (Box Canyon deposits), Sam Powell Peak, Box Canyon District, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FYavapai_County,_Arizona\" class=\"extiw\" title=\"en:Yavapai County, Arizona\">Yavapai County\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FArizona\" class=\"extiw\" title=\"en:Arizona\">Arizona\u003C\u002Fa>, USA (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-3397.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 4.6 x 4.2 x 3.5 cm.\u003C\u002Fdd>\n\u003Cdd>This is a plate of short prismatic, splendent, black ramsdellite crystals, to .5 cm across. In fact, several of the crystals are doubly terminated. Tim Blackwood Collection.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",705,{"id":271,"source_url":272,"license_code":184,"credit_html":273,"title":274,"description":268,"author":188,"original_width":275,"original_height":219},76258,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10161727","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10161727\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Ramsdellite-216694.jpg",363,{"id":277,"source_url":278,"license_code":184,"credit_html":279,"title":280,"description":281,"author":188,"original_width":282,"original_height":197},76259,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10161730","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10161730\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Ramsdellite-216695.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FRamsdellite\" class=\"extiw\" title=\"en:Ramsdellite\">Ramsdellite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Mistake Mine (Box Canyon deposits), Sam Powell Peak, Box Canyon District, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FYavapai_County,_Arizona\" class=\"extiw\" title=\"en:Yavapai County, Arizona\">Yavapai County\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FArizona\" class=\"extiw\" title=\"en:Arizona\">Arizona\u003C\u002Fa>, USA (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-3397.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 6.0 x 4.1 x 2.5 cm.\u003C\u002Fdd>\n\u003Cdd>A vuggy matrix is covered with equant, splendent, black ramsdellite crystals, up to 6mm across. Large crystal size and unusual isolation of the large crystals upon smaller ones make this a special piece.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",595,{"id":284,"source_url":285,"license_code":184,"credit_html":286,"title":287,"description":288,"author":188,"original_width":248,"original_height":289},76260,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10161968","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10161968\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Ramsdellite-219101.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FRamsdellite\" class=\"extiw\" title=\"en:Ramsdellite\">Ramsdellite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Mistake Mine (Box Canyon deposits), Sam Powell Peak, Box Canyon District, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FYavapai_County,_Arizona\" class=\"extiw\" title=\"en:Yavapai County, Arizona\">Yavapai County\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FArizona\" class=\"extiw\" title=\"en:Arizona\">Arizona\u003C\u002Fa>, USA (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-3397.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 5.8 x 3.0 x 1.4 cm.\u003C\u002Fdd>\n\u003Cdd>Ramsdellite is a rare manganese oxide. This is a showy intergrown plate of equant, splendent, black ramsdellite crystals to 7 mm across, which is large for this new find. Ramsdellite from this small and defunct mine in a remote corner of Arizona was first found, I am told, in the early 1900s. However, the locality was apparently lost for some time and only rediscovered by the father\u002Fson team of Roy Jones and Dick Jones in the 1960s. Some of this material came out then (Roy says about 6 flats). This recent find appeared literally in the middle of the Tucson show. It features very fine quality Ramsdellite crystals on manganese-rich matrix, and the crystals have excellent lustre and jet-black color to them.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",391,{"id":291,"source_url":292,"license_code":184,"credit_html":293,"title":294,"description":295,"author":188,"original_width":189,"original_height":296},76261,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10166448","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10166448\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Ramsdellite-246442.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FRamsdellite\" class=\"extiw\" title=\"en:Ramsdellite\">Ramsdellite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Mistake Mine (Box Canyon deposits), Sam Powell Peak, Box Canyon District, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FYavapai_County,_Arizona\" class=\"extiw\" title=\"en:Yavapai County, Arizona\">Yavapai County\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FArizona\" class=\"extiw\" title=\"en:Arizona\">Arizona\u003C\u002Fa>, USA (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-3397.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 3.8 x 2.8 x 1.5 cm.\u003C\u002Fdd>\n\u003Cdd>Ramsdellite is a rare manganese oxide. This is a fine intergrown plate of equant, splendent, black ramsdellite crystals to 7 mm across, which is large for this new find. Ramsdellite from this small and defunct mine in a remote corner of Arizona was first found, I am told, in the early 1900s. However, the locality was apparently lost for some time and only rediscovered by the father\u002Fson team of Roy Jones and Dick Jones in the 1960s. Some of this material came out then (Roy says about 6 flats). This recent find appeared literally in the middle of the Tucson show and surprised me. It features very fine quality ramsdellite crystals on manganese-rich matrix, and the crystals have excellent lustre and jet-black color to them. There was an old MR article about the Mistake Mine in one of the Arizona issues, and also this is referenced in Mineralogy of Arizona by Bideaux, et al.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",479,{"id":298,"source_url":299,"license_code":184,"credit_html":300,"title":301,"description":302,"author":188,"original_width":189,"original_height":303},76262,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10166922","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10166922\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Ramsdellite-249294.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FRamsdellite\" class=\"extiw\" title=\"en:Ramsdellite\">Ramsdellite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Mistake Mine (Box Canyon deposits), Sam Powell Peak, Box Canyon District, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FYavapai_County,_Arizona\" class=\"extiw\" title=\"en:Yavapai County, Arizona\">Yavapai County\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FArizona\" class=\"extiw\" title=\"en:Arizona\">Arizona\u003C\u002Fa>, USA (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-3397.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 4.4 x 3.4 x 1.2 cm.\u003C\u002Fdd>\n\u003Cdd>Ramsdellite is a rare manganese oxide. This is a fine intergrown plate of equant, splendent, black ramsdellite crystals to 7 mm across, which is large for this new find. Ramsdellite from this small and defunct mine in a remote corner of Arizona was first found, I am told, in the early 1900s. However, the locality was apparently lost for some time and only rediscovered by the father\u002Fson team of Roy Jones and Dick Jones in the 1960s. Some of this material came out then (Roy says about 6 flats). I have seen it turn up, from time to time, in old US collections. However, it has remained fairly rare on the market. This recent find appeared literally in the middle of the Tucson show and surprised me. It features very fine quality Ramsdellite crystals on manganese-rich matrix, and the crystals have excellent lustre and jet-black color to them. There was an old MR article about the Mistake Mine in one of the Arizona issues, and also this is referenced in Mineralogy of Arizona by Bideaux, et al.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",468,{"id":305,"source_url":306,"license_code":184,"credit_html":307,"title":308,"description":309,"author":188,"original_width":189,"original_height":310},76263,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10169910","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10169910\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Ramsdellite-264117.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FRamsdellite\" class=\"extiw\" title=\"en:Ramsdellite\">Ramsdellite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Mistake Mine (Box Canyon deposits), Sam Powell Peak, Box Canyon District, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FYavapai_County,_Arizona\" class=\"extiw\" title=\"en:Yavapai County, Arizona\">Yavapai County\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FArizona\" class=\"extiw\" title=\"en:Arizona\">Arizona\u003C\u002Fa>, USA (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-3397.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: 4.9 x 2.7 x 1.3 cm.\u003C\u002Fdd>\n\u003Cdd>Ramsdellite is a rare manganese oxide. This is a fine intergrown plate of equant, splendent, black ramsdellite crystals to 6 mm across, which is large for this new find. Ramsdellite from this small and defunct mine in a remote corner of Arizona was first found, I am told, in the early 1900s. However, the locality was apparently lost for some time and only rediscovered by the father\u002Fson team of Roy Jones and Dick Jones in the 1960s. Some of this material came out then (Roy says about 6 flats). I have seen it turn up, from time to time, in old US collections. However, it has remained fairly rare on the market. This recent find appeared literally in the middle of the Tucson Show and surprised me. It features very fine quality Ramsdellite crystals on manganese-rich matrix, and the crystals have excellent lustre and jet-black color to them. There was an old MR article about the Mistake Mine in one of the Arizona issues, and also this is referenced in Mineralogy of Arizona by Bideaux, et al.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",368,{"id":312,"source_url":313,"license_code":184,"credit_html":314,"title":315,"description":316,"author":188,"original_width":317,"original_height":219},20547,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10457562","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10457562\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Ramsdellite-ram-09b.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FRamsdellite\" class=\"extiw\" title=\"en:Ramsdellite\">Ramsdellite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Mistake Mine (Box Canyon deposits), Sam Powell Peak, Box Canyon District, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FYavapai_County,_Arizona\" class=\"extiw\" title=\"en:Yavapai County, Arizona\">Yavapai County\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FArizona\" class=\"extiw\" title=\"en:Arizona\">Arizona\u003C\u002Fa>, USA (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-3397.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: miniature, 4.2 x 3.1 x 1.4 cm\n\u003Cdl>\u003Cdt>Ramsdellite\u003C\u002Fdt>\u003C\u002Fdl>\u003C\u002Fdd>\n\u003Cdd>This is an intergrown plate of equant, splendent, black, ramsdellite, in crystals to .5 cm across.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",367,{"id":319,"source_url":320,"license_code":184,"credit_html":321,"title":322,"description":323,"author":188,"original_width":324,"original_height":197},76264,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10457546","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10457546\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Ramsdellite-ram-05a.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FRamsdellite\" class=\"extiw\" title=\"en:Ramsdellite\">Ramsdellite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Mistake Mine (Box Canyon deposits), Sam Powell Peak, Box Canyon District, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FYavapai_County,_Arizona\" class=\"extiw\" title=\"en:Yavapai County, Arizona\">Yavapai County\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FArizona\" class=\"extiw\" title=\"en:Arizona\">Arizona\u003C\u002Fa>, USA (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-3397.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: small cabinet, 6.0 x 3.1 x 1.1 cm\n\u003Cdl>\u003Cdt>Ramsdellite\u003C\u002Fdt>\u003C\u002Fdl>\u003C\u002Fdd>\n\u003Cdd>On matrix is a plate of intergrown, short prismatic, splendent black crystals of ramsdellite, to .5 cm across.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",543,{"id":326,"source_url":327,"license_code":184,"credit_html":328,"title":329,"description":330,"author":188,"original_width":331,"original_height":219},76265,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10457551","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10457551\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Ramsdellite-ram-06b.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FRamsdellite\" class=\"extiw\" title=\"en:Ramsdellite\">Ramsdellite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Mistake Mine (Box Canyon deposits), Sam Powell Peak, Box Canyon District, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FYavapai_County,_Arizona\" class=\"extiw\" title=\"en:Yavapai County, Arizona\">Yavapai County\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FArizona\" class=\"extiw\" title=\"en:Arizona\">Arizona\u003C\u002Fa>, USA (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-3397.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: small cabinet, 6.3 x 4.6 x 2.0 cm\n\u003Cdl>\u003Cdt>Ramsdellite\u003C\u002Fdt>\u003C\u002Fdl>\u003C\u002Fdd>\n\u003Cdd>Emplaced on matrix is a plate of equant, short prismatic, splendent , black crystals of ramsdellite, to .5 cm across. One of the larger pieces recovered, as they tended to fracture fairly readily into small plates. Also, this is more 3-dimensional, with backing matrix.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",329,{"id":333,"source_url":334,"license_code":184,"credit_html":335,"title":336,"description":337,"author":188,"original_width":338,"original_height":197},76266,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10457566","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10457566\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Ramsdellite-ram-11a.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FRamsdellite\" class=\"extiw\" title=\"en:Ramsdellite\">Ramsdellite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Mistake Mine (Box Canyon deposits), Sam Powell Peak, Box Canyon District, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FYavapai_County,_Arizona\" class=\"extiw\" title=\"en:Yavapai County, Arizona\">Yavapai County\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FArizona\" class=\"extiw\" title=\"en:Arizona\">Arizona\u003C\u002Fa>, USA (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-3397.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: miniature, 4.3 x 2.9 x 1.9 cm\n\u003Cdl>\u003Cdt>Ramsdellite\u003C\u002Fdt>\u003C\u002Fdl>\u003C\u002Fdd>\n\u003Cdd>This matrix specimen features equant, splendent, black, ramsdellite crystals to .7 cm across. The price is higher for the bit of extra size, and good isolation. A fine miniature!\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",601,{"id":340,"source_url":341,"license_code":184,"credit_html":342,"title":343,"description":337,"author":188,"original_width":219,"original_height":344},76267,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10457568","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10457568\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Ramsdellite-ram-11b.jpg",372,{"id":346,"source_url":347,"license_code":184,"credit_html":348,"title":349,"description":350,"author":188,"original_width":197,"original_height":351},76268,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10457569","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10457569\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Ramsdellite-ram-12a.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FRamsdellite\" class=\"extiw\" title=\"en:Ramsdellite\">Ramsdellite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Mistake Mine (Box Canyon deposits), Sam Powell Peak, Box Canyon District, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FYavapai_County,_Arizona\" class=\"extiw\" title=\"en:Yavapai County, Arizona\">Yavapai County\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FArizona\" class=\"extiw\" title=\"en:Arizona\">Arizona\u003C\u002Fa>, USA (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-3397.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: small cabinet, 6.4 x 2.6 x 1.3 cm\n\u003Cdl>\u003Cdt>Ramsdellite\u003C\u002Fdt>\u003C\u002Fdl>\u003C\u002Fdd>\n\u003Cdd>This intergrown plate of ramsdellite is covered with equant, splendent, black crystals, to .5 cm across.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",406,{"id":353,"source_url":354,"license_code":184,"credit_html":355,"title":356,"description":357,"author":188,"original_width":358,"original_height":219},76269,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10457598","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10457598\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Ramsdellite-ram-23b.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FRamsdellite\" class=\"extiw\" title=\"en:Ramsdellite\">Ramsdellite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Mistake Mine (Box Canyon deposits), Sam Powell Peak, Box Canyon District, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FYavapai_County,_Arizona\" class=\"extiw\" title=\"en:Yavapai County, Arizona\">Yavapai County\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FArizona\" class=\"extiw\" title=\"en:Arizona\">Arizona\u003C\u002Fa>, USA (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-3397.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: miniature, 4.8 x 3.5 x 1.7 cm\n\u003Cdl>\u003Cdt>Ramsdellite\u003C\u002Fdt>\u003C\u002Fdl>\u003C\u002Fdd>\n\u003Cdd>This is a plate of intergrown, equant, splendent, black, crystals of ramsdellite, to .5 cm across.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",395,{"id":360,"source_url":361,"license_code":184,"credit_html":362,"title":363,"description":364,"author":188,"original_width":365,"original_height":219},76270,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10457603","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10457603\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Ramsdellite-ram-25b.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FRamsdellite\" class=\"extiw\" title=\"en:Ramsdellite\">Ramsdellite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Mistake Mine (Box Canyon deposits), Sam Powell Peak, Box Canyon District, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FYavapai_County,_Arizona\" class=\"extiw\" title=\"en:Yavapai County, Arizona\">Yavapai County\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FArizona\" class=\"extiw\" title=\"en:Arizona\">Arizona\u003C\u002Fa>, USA (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-3397.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: miniature, 4.1 x 3.4 x 1.1 cm\n\u003Cdl>\u003Cdt>Ramsdellite\u003C\u002Fdt>\u003C\u002Fdl>\u003C\u002Fdd>\n\u003Cdd>Equant, splendent, black, ramsdellite crystals, to .5 cm across, totally cover this specimen.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",346,{"id":367,"source_url":368,"license_code":184,"credit_html":369,"title":370,"description":371,"author":188,"original_width":372,"original_height":219},76271,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10457604","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10457604\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Ramsdellite-ram-26b.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FRamsdellite\" class=\"extiw\" title=\"en:Ramsdellite\">Ramsdellite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Mistake Mine (Box Canyon deposits), Sam Powell Peak, Box Canyon District, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FYavapai_County,_Arizona\" class=\"extiw\" title=\"en:Yavapai County, Arizona\">Yavapai County\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FArizona\" class=\"extiw\" title=\"en:Arizona\">Arizona\u003C\u002Fa>, USA (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-3397.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: small cabinet, 8.9 x 5.7 x 3.5 cm\n\u003Cdl>\u003Cdt>Ramsdellite\u003C\u002Fdt>\u003C\u002Fdl>\u003C\u002Fdd>\n\u003Cdd>The largest overall specimen I have, with a pocket in heavy ore. Nestled in a vug of massive ramsdellite, are equant, splendent, black crystals of the same species, reaching .5 cm across. Beautiful, large, display-sized example from this find with INCREDIBLE lustre for the species!\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",377,{"id":374,"source_url":375,"license_code":184,"credit_html":376,"title":377,"description":378,"author":188,"original_width":379,"original_height":205},76272,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10457609","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10457609\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Ramsdellite-ram-27a.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FRamsdellite\" class=\"extiw\" title=\"en:Ramsdellite\">Ramsdellite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Mistake Mine (Box Canyon deposits), Sam Powell Peak, Box Canyon District, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FYavapai_County,_Arizona\" class=\"extiw\" title=\"en:Yavapai County, Arizona\">Yavapai County\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FArizona\" class=\"extiw\" title=\"en:Arizona\">Arizona\u003C\u002Fa>, USA (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-3397.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: miniature, 5.5 x 4.5 x 2.7 cm\n\u003Cdl>\u003Cdt>Ramsdellite\u003C\u002Fdt>\u003C\u002Fdl>\u003C\u002Fdd>\n\u003Cdd>Sparkling, equant, splendent, black, ramsdellite crystals, to .5 cm across on a 3-dimensional matrix. nice!\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",654,{"id":381,"source_url":382,"license_code":184,"credit_html":383,"title":384,"description":385,"author":188,"original_width":386,"original_height":219},76273,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10457611","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10457611\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Ramsdellite-ram-28b.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FRamsdellite\" class=\"extiw\" title=\"en:Ramsdellite\">Ramsdellite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Mistake Mine (Box Canyon deposits), Sam Powell Peak, Box Canyon District, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FYavapai_County,_Arizona\" class=\"extiw\" title=\"en:Yavapai County, Arizona\">Yavapai County\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FArizona\" class=\"extiw\" title=\"en:Arizona\">Arizona\u003C\u002Fa>, USA (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-3397.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: miniature, 5.8 x 2.9 x 1.0 cm\n\u003Cdl>\u003Cdt>Ramsdellite\u003C\u002Fdt>\u003C\u002Fdl>\u003C\u002Fdd>\n\u003Cdd>Crystals of equant, splendent, black ramsdellite reach .5 cm across.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>",389,[388,394],{"id":389,"url":390,"label":391,"formula":392,"spacegroup":393,"year":168},5786,"\u002Fcif\u002F5786.cif","Post 2004","Mn O2","P n m a",{"id":395,"url":396,"label":397,"formula":392,"spacegroup":398,"year":399},5788,"\u002Fcif\u002F5788.cif","Kondrashev 1951","P n a m",1951,[401,402],"Groutellite","Ramsdelliet",[404,408,413,416,420,423,426,430,434,437,441],{"lang":405,"names":406},"az",[407],"Ramsdellit",{"lang":409,"names":410},"ca",[411,412],"ramsdel·lita","ramsdellita",{"lang":414,"names":415},"de",[407],{"lang":417,"names":418},"es",[419],"Ramsdellita",{"lang":421,"names":422},"eu",[419],{"lang":424,"names":425},"it",[7],{"lang":427,"names":428},"ja",[429],"ラムスデル鉱",{"lang":431,"names":432},"nb",[433],"ramsdellitt",{"lang":435,"names":436},"nn",[433],{"lang":438,"names":439},"sv",[440],"ramsdellit",{"lang":442,"names":443},"zh",[444],"斜方锰矿","Q3929952",{"history":11,"applications":11}]