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Space Group: Pmab or P21ab.","Prismatic, flattened on {010}, with {120}, {110}, {201}, and {011}.","Prismatic crystals to 5 cm.",6.5,"800","4.64","4.63","Adamantine","Opaque","Reddish brown","Black",[54,55,56],"black","red","brown",[55,56],"{100} Perfect, {001} Good","Perfect","Biaxial","-","20","25","Strong","X = c = safflower-red; Y and Z = opaque (very dark red in very thin sections)","Gray to brown","Dark red, carmine red","Anisotropic","Strong: yellowish green to greenish yellow","Yellowish gray to gray-brown","(20.2–22.9) 400, \r\n(19.3–21.9) 420, \r\n(18.4–20.9) 440, \r\n(17.7–20.0) 460, \r\n(17.0–19.3) 480, \r\n(16.5–18.7) 500, \r\n(16.2–18.3) 520, \r\n(16.0–18.2) 540, \r\n(16.0–18.4) 560, \r\n(16.0–18.7) 580, \r\n(15.9–18.6) 600, \r\n(15.7–18.3) 620, \r\n(15.5–18.0) 640, \r\n(15.4–17.8) 660, \r\n(15.2–17.5) 680, \r\n(15.1–17.3) 700","Manganese deposit","Geological Survey, Rabat, Morocco.\r\nNational School of Mines, Paris, France.","The Mn(III) analogue of ellinaite and harmunite.","For the first occurrence in Morocco, Maroc in French.","2025-08-11 12:14:22",[],[79,84,90,96,102,108],{"id":80,"name":81,"entrytype":9,"csystem":34,"ima_formula":82,"mindat_formula":82,"hmin":11,"hmax":11,"dmeas":11,"dcalc":83,"primary_image_id":11},51979,"Chenmingite","FeCr\u003Csub>2\u003C\u002Fsub>O\u003Csub>4\u003C\u002Fsub>","5.27",{"id":85,"name":86,"entrytype":9,"csystem":34,"ima_formula":87,"mindat_formula":87,"hmin":88,"hmax":40,"dmeas":11,"dcalc":89,"primary_image_id":11},54111,"Ellinaite","CaCr\u003Csub>2\u003C\u002Fsub>O\u003Csub>4\u003C\u002Fsub>",4.5,"5.217",{"id":91,"name":92,"entrytype":9,"csystem":34,"ima_formula":93,"mindat_formula":93,"hmin":11,"hmax":11,"dmeas":11,"dcalc":94,"primary_image_id":95},43570,"Harmunite","CaFe\u003Csub>2\u003C\u002Fsub>O\u003Csub>4\u003C\u002Fsub>","4.404",10866,{"id":97,"name":98,"entrytype":9,"csystem":34,"ima_formula":99,"mindat_formula":100,"hmin":11,"hmax":11,"dmeas":11,"dcalc":101,"primary_image_id":11},53238,"Tschaunerite","(Fe\u003Csup>2+\u003C\u002Fsup>)(Fe\u003Csup>2+\u003C\u002Fsup>Ti\u003Csup>4+\u003C\u002Fsup>)O\u003Csub>4\u003C\u002Fsub>"," (Fe\u003Csup>2+\u003C\u002Fsup>)(Fe\u003Csup>2+\u003C\u002Fsup>Ti\u003Csup>4+\u003C\u002Fsup>)O\u003Csub>4\u003C\u002Fsub>","6.41",{"id":103,"name":104,"entrytype":9,"csystem":34,"ima_formula":105,"mindat_formula":106,"hmin":11,"hmax":11,"dmeas":11,"dcalc":107,"primary_image_id":11},46107,"Wernerkrauseite","CaFe\u003Csup>3+\u003C\u002Fsup>\u003Csub>2\u003C\u002Fsub>Mn\u003Csup>4+\u003C\u002Fsup>O\u003Csub>6\u003C\u002Fsub>","Ca(Fe\u003Csup>3+\u003C\u002Fsup>,Mn\u003Csup>3+\u003C\u002Fsup>)\u003Csub>2\u003C\u002Fsub>Mn\u003Csup>4+\u003C\u002Fsup>O\u003Csub>6\u003C\u002Fsub>","4.66",{"id":109,"name":110,"entrytype":9,"csystem":34,"ima_formula":82,"mindat_formula":111,"hmin":11,"hmax":11,"dmeas":112,"dcalc":113,"primary_image_id":11},35792,"Xieite","Fe\u003Csup>2+\u003C\u002Fsup>Cr\u003Csub>2\u003C\u002Fsub>O\u003Csub>4\u003C\u002Fsub>","5.63","5.342",[],[],[117],{"id":118,"txt":119,"latitude":120,"longitude":121,"country":122},10226,"Tachgagalt Mine, Tansifte Caïdat, Agdz Cercle, Zagora Province, Drâa-Tafilalet Region, Morocco",30.7833333,-6.85,"Morocco",10,[125,129,132,136,139,144,148,152,156,160],{"id":126,"year":24,"html":127,"doi":128},401356,"Gaudefroy, Christophe, Jouravsky, Georges, Permingeat, François (1963) La marokite, CaMn\u003Csub>2\u003C\u002Fsub>O\u003Csub>4\u003C\u002Fsub>, une nouvelle espèce minérale. \u003Ci>Bulletin de Minéralogie\u003C\u002Fi>,  86 (4) 359-367 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.3406\u002Fbulmi.1963.5665'>doi:10.3406\u002Fbulmi.1963.5665\u003C\u002Fa> \u003Ca target='_blank' href='https:\u002F\u002Frruff.info\u002Frruff_1.0\u002Fuploads\u002FBSFMC86_359.pdf' class='refpdflink'>\u003C\u002Fa>","10.3406\u002Fbulmi.1963.5665",{"id":130,"year":24,"html":131,"doi":11},16116402,"Ribaud, P.V., Muan, A. (1963) Melting relations of Ca-O-manganese oxide and MgO-manganese oxide mixtures in air. Journal of the American Ceramic Society: 46: 33-36. (synthetic)",{"id":133,"year":134,"html":135,"doi":11},524084,1964,"Fleischer, Michael (1964) New Mineral Names. \u003Ci>American Mineralogist\u003C\u002Fi>,  49 (5-6) 816-821 \u003Ca target='_blank' href='http:\u002F\u002Fwww.minsocam.org\u002Fammin\u002FAM49\u002FAM49_816.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":137,"year":134,"html":138,"doi":11},16116404,"Couffon, M.M., Rocher, G., Protas, J. (1964) Determination de la structure de la marokite. Compt. Rend.: 258: 1847-1849. (in French).",{"id":140,"year":141,"html":142,"doi":143},401599,1966,"Lepicard, G.; Protas, Jean (1966) Étude structurale de l'oxyde double de manganèse et de calcium orthorhombique CaMn2O4 (marokite). \u003Ci>Bulletin de la Société française de Minéralogie et de Cristallographie\u003C\u002Fi>,  89 (3). 318-324 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.3406\u002Fbulmi.1966.5979'>doi:10.3406\u002Fbulmi.1966.5979\u003C\u002Fa>","10.3406\u002Fbulmi.1966.5979",{"id":145,"year":146,"html":147,"doi":11},524906,1968,"de Villiers, P. R., Herbstein, F. H. (1968) Second occurrence of marokite. \u003Ci>American Mineralogist\u003C\u002Fi>,  53 (3-4) 495-496 \u003Ca target='_blank' href='http:\u002F\u002Fwww.minsocam.org\u002Fammin\u002FAM53\u002FAM53_495.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":149,"year":150,"html":151,"doi":11},16116407,2001,"Ling, C.D., Neumeier, J.J., Argyriou, D.N. (2001) Observation of antiferromagnetism in marokite CaMn2O4. Journal of Solid State Chemistry: 160: 167-173.",{"id":153,"year":154,"html":155,"doi":11},16116408,2003,"Zouari, S., Ranno, L., Cheikh-Rouhou, A., Isnard, O., Pernet, M., Wolfers, P., Strobel, P. (2003) New model for the magnetic structure of the marokite-type oxide CaMn2O4. Journal of Alloys and Compounds: 353: 5-11.",{"id":157,"year":158,"html":159,"doi":11},16965853,2005,"(2005) Marokite. \u003Ci>Handbook of Mineralogy\u003C\u002Fi>. Mineralogical Society of America \u003Ca target='_blank' href='https:\u002F\u002Fwww.handbookofmineralogy.org\u002Fpdfs\u002Fmarokite.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":161,"year":162,"html":163,"doi":11},16116409,2008,"Yamanaka, T., Uchida, A., Nakamoto, Y. (2008) Structural transition of post-spinel phases CaMn2O4, CaFe2O4, and CaTi2O4 under high pressures up to 80 GPa. American Mineralogist: 93: 1874-1881.",[165,175],{"id":166,"source_url":167,"license_code":168,"credit_html":169,"title":170,"description":171,"author":172,"original_width":173,"original_height":174},15513,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=113067890","CC BY-SA 4.0","David Hospital, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=113067890\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Marokite.jpg","Black sharp crystal of marokite from Morocco (Tachgagalt Mine, Ouarzazate Province, Drâa-Tafilalet Region, Morocco) in matrix. Ex Vandenbroucke Museum collection from Waregem, Belgium.","David Hospital",618,596,{"id":176,"source_url":177,"license_code":178,"credit_html":179,"title":180,"description":181,"author":182,"original_width":183,"original_height":184},15514,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=118199599","CC BY-SA 2.0","Pacific Museum of Earth from Canada, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=118199599\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Marokite (48522703362).jpg","Ouarzazate, Morocco","Pacific Museum of Earth from Canada",6000,4000,[186,192,197],{"id":187,"url":188,"label":189,"formula":190,"spacegroup":191,"year":154},8520,"\u002Fcif\u002F8520.cif","Zouari 2003 · Ca Mn2 O4 (1)","Ca Mn2 O4","P b c m",{"id":193,"url":194,"label":195,"formula":190,"spacegroup":196,"year":154},8521,"\u002Fcif\u002F8521.cif","Zouari 2003 · Ca Mn2 O4 (2)","P b c a",{"id":198,"url":199,"label":200,"formula":190,"spacegroup":191,"year":150},8522,"\u002Fcif\u002F8522.cif","Ling 2001",[202,203],"IMA1963-005","Marokiet",[205,209,214,218,221],{"lang":206,"names":207},"ca",[208],"marokita",{"lang":210,"names":211},"de",[212,213],"IMA 1963-005","Marokit",{"lang":215,"names":216},"eu",[217],"Marokita",{"lang":219,"names":220},"it",[7],{"lang":222,"names":223},"uk",[224],"марокіт","Q3849782",{"history":11,"applications":11}]