[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"minerals:one:2612":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":21,"key_elements":22,"impurities":11,"cim":23,"ima_status":24,"ima_notes":11,"ima_history":11,"approval_year":11,"publication_year":26,"discovery_year":27,"strunz10ed1":28,"strunz10ed2":29,"strunz10ed3":30,"strunz10ed4":31,"dana8ed1":32,"dana8ed2":33,"dana8ed3":33,"dana8ed4":34,"csystem":35,"cclass":36,"spacegroup":37,"spacegroupset":38,"a":39,"b":38,"c":40,"alpha":38,"beta":38,"gamma":38,"aerror":11,"berror":11,"cerror":11,"alphaerror":11,"betaerror":11,"gammaerror":11,"va3":11,"z":41,"csmetamict":14,"commentcrystal":11,"twinning":11,"tranglide":11,"parting":11,"epitaxidescription":11,"morphology":11,"tlform":42,"hmin":43,"hmax":43,"hardtype":11,"vhnmin":38,"vhnmax":38,"vhnerror":11,"vhng":11,"vhns":11,"commenthard":11,"dmeas":44,"dmeas2":44,"dcalc":45,"dmeaserror":11,"dcalcerror":11,"commentdense":11,"lustre":11,"lustretype":11,"commentluster":11,"diapheny":46,"streak":11,"colour":47,"commentcolor":11,"colors":48,"streak_colors":11,"luminescence":11,"uv":11,"cleavage":50,"cleavagetype":51,"fracturetype":11,"tenacity":11,"commentbreak":11,"opticaltype":11,"opticalsign":11,"opticalalpha":38,"opticalalpha2":38,"opticalalphaerror":11,"opticalbeta":38,"opticalbeta2":38,"opticalbetaerror":11,"opticalgamma":38,"opticalgamma2":38,"opticalgammaerror":11,"opticalomega":38,"opticalomega2":38,"opticalomegaerror":11,"opticalepsilon":38,"opticalepsilon2":38,"opticalepsilonerror":11,"opticaln":38,"opticaln2":38,"opticalnerror":11,"optical2vcalc":38,"optical2vcalc2":38,"optical2vcalcerror":11,"optical2vmeasured":38,"optical2vmeasured2":38,"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":11,"other":11,"industrial":11,"occurrence":52,"otheroccurrence":11,"type_specimen_store":53,"description_short":54,"aboutname":55,"rock_parent":11,"rock_parent2":11,"rock_root":9,"rock_bgs_code":11,"meteoritical_code":11,"updttime":56,"reviewed_at":11,"variety_of":11,"varieties":57,"group_members":58,"associates":67,"confused_with":68,"type_localities":69,"occurrence_total":76,"citations":77,"images":103,"structures":114,"synonyms":115,"language_names":118,"wikidata_qid":137,"texts":138},2612,"1:1:2612:9","9ec3a1a4-5d82-4c59-9e2e-e81d62d4051d","Mcconnellite","Mcn",0,"mineral",null,39486,29,false,"CuCrO\u003Csub>2\u003C\u002Fsub>","Cu\u003Csup>1+\u003C\u002Fsup>CrO\u003Csub>2\u003C\u002Fsub>",[18,19,20],"Cr","Cu","O",[18,19,20],[18,19],"7.14.7",[25],"APPROVED",1976,"1976","4","A","B","15","7","1","2","Trigonal",11,86,"0","2.97","17.11",1,"Tabular deep-red rhombohedral crystals up to 1 mm in size, that are polyphase with grimaldiite.  Occur with other minerals forming black rounded grains.",5.5,"5.49","5.609","Translucent","Deep red",[49],"red","{0001}","Perfect","Alluvial gravels.","Natural History Museum, London, United Kingdom, number BM 1979,136.\r\nNational Museum of Natural History (Smithsonian Institution), Washington, D.C., USA.","As with other Cr mineral species from the Merume River locality, such as bracewellite, grimaldiite, and guyanaite, this species is NOT universally present in every specimen and verification of each specimen is required.","Named in 1967 by Charles Milton, Daniel E. Appleman, Edward Ching-Te Chao, Frank Cuttita, Joseph I. Dinnin, Edward J. Dwornik, Margaret Hall, Blanche L. Ingram, and Harry J. Rose, Jr. in honor of  Dr. Richard Bradford McConnell (27 December 1903, Ottawa, Ontario, Canada - 6 August 1986, Sussex, England), former Director, British Guyana Geological Survey.","2025-08-11 12:14:22",[],[59],{"id":60,"name":61,"entrytype":9,"csystem":35,"ima_formula":62,"mindat_formula":63,"hmin":43,"hmax":43,"dmeas":64,"dcalc":65,"primary_image_id":66},1248,"Delafossite","Cu\u003Csup>1+\u003C\u002Fsup>Fe\u003Csup>3+\u003C\u002Fsup>O\u003Csub>2\u003C\u002Fsub>","Cu\u003Csup>+\u003C\u002Fsup>Fe\u003Csup>3+\u003C\u002Fsup>O\u003Csub>2\u003C\u002Fsub>","5.41","5.52",6980,[],[],[70],{"id":71,"txt":72,"latitude":73,"longitude":74,"country":75},1969,"Merume River, Rest of Region 8, Potaro-Siparuni Region, Guyana",5.2666667,-59.8333333,"Guyana",4,[78,83,88,92,95,99],{"id":79,"year":80,"html":81,"doi":82},1213959,1949,"Stroupe, James D. (1949) An X-Ray Diffraction Study of the Copper Chromites and of the “Copper-Chromium Oxide” Catalyst. \u003Ci>Journal Of The American Chemical Society\u003C\u002Fi>,  71 (2) 569-572 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1021\u002Fja01170a052'>doi:10.1021\u002Fja01170a052\u003C\u002Fa>","10.1021\u002Fja01170a052",{"id":84,"year":85,"html":86,"doi":87},1259629,1955,"Dannhauser, Walter, Vaughan, Philip A. (1955) The Crystal Structure of Cuprous Chromite. \u003Ci>Journal Of The American Chemical Society\u003C\u002Fi>,  77 (4) 896-897 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1021\u002Fja01609a024'>doi:10.1021\u002Fja01609a024\u003C\u002Fa>","10.1021\u002Fja01609a024",{"id":89,"year":90,"html":91,"doi":11},16116601,1967,"Geological Society of America, Program for Annual Meeting (1967) p. 151.",{"id":93,"year":26,"html":94,"doi":11},16103808,"Milton, C., Appleman, D. E., Appleman, M. H., Chao, E. C. T., Cuttitta, F., Dinnin, J. I., Dwornik, E. J., Ingram, B. L. and Rose, H. J., Jr. (1976) Merumite, a complex assemblage of chromium minerals from Guyana. U.S. Geological Survey Professional Paper 887: 1-29.",{"id":96,"year":97,"html":98,"doi":11},526875,1977,"Fleischer, Michael, Cabri, Louis J., Nickel, Ernest H., Pabst, Adolf (1977) New Mineral Names. \u003Ci>American Mineralogist\u003C\u002Fi>,  62 (5-6) 593-600 \u003Ca target='_blank' href='http:\u002F\u002Fwww.minsocam.org\u002Fammin\u002FAM62\u002FAM62_593.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":100,"year":101,"html":102,"doi":11},16965898,2005,"(2005) Mcconnellite. \u003Ci>Handbook of Mineralogy\u003C\u002Fi>. Mineralogical Society of America \u003Ca target='_blank' href='https:\u002F\u002Fwww.handbookofmineralogy.org\u002Fpdfs\u002Fmcconnellite.pdf' class='refpdflink'>\u003C\u002Fa>",[104],{"id":105,"source_url":106,"license_code":107,"credit_html":108,"title":109,"description":110,"author":111,"original_width":112,"original_height":113},10469,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=145799188","CC BY 4.0","David Hospital, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=145799188\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Grimaldiite & Mcconnellite.jpg","An extremely rare black grain of an intergrown mixture of grimaldiite and mcconnellite from the type locality for both species: Merume River, Kamakusa, Potaro-Siparuni Region, Guyana. Ex Vandenbroucke Museum collection from Waregem, Belgium.","David Hospital",626,525,[],[116,117],"IMA1967-037","Mcconnelliet",[119,124,129,133],{"lang":120,"names":121},"ca",[122,123],"mcconnel·lita","mcconnellita",{"lang":125,"names":126},"de",[127,128],"IMA 1967-037","Mcconnellit",{"lang":130,"names":131},"eu",[132],"Mcconnellita",{"lang":134,"names":135},"it",[116,136],"mcconnellite","Q3853395",{"history":11,"applications":11}]