[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"minerals:one:1750":3},{"id":4,"longid":5,"guid":6,"name":7,"shortcode_ima":8,"entrytype":9,"entrytype_text":10,"varietyof":11,"synid":11,"polytypeof":11,"groupid":11,"weighting":12,"nolocadd":13,"blacklisted":13,"mindat_formula":14,"mindat_formula_note":15,"ima_formula":14,"elements":16,"sigelements":20,"key_elements":21,"impurities":11,"cim":22,"ima_status":23,"ima_notes":11,"ima_history":11,"approval_year":11,"publication_year":11,"discovery_year":25,"strunz10ed1":26,"strunz10ed2":27,"strunz10ed3":28,"strunz10ed4":29,"dana8ed1":30,"dana8ed2":31,"dana8ed3":32,"dana8ed4":31,"csystem":33,"cclass":34,"spacegroup":35,"spacegroupset":36,"a":37,"b":36,"c":38,"alpha":36,"beta":36,"gamma":36,"aerror":39,"berror":11,"cerror":40,"alphaerror":11,"betaerror":11,"gammaerror":11,"va3":11,"z":41,"csmetamict":13,"commentcrystal":11,"twinning":11,"tranglide":11,"parting":11,"epitaxidescription":11,"morphology":11,"tlform":11,"hmin":42,"hmax":43,"hardtype":11,"vhnmin":36,"vhnmax":36,"vhnerror":11,"vhng":11,"vhns":11,"commenthard":11,"dmeas":44,"dmeas2":45,"dcalc":46,"dmeaserror":11,"dcalcerror":11,"commentdense":47,"lustre":11,"lustretype":48,"commentluster":11,"diapheny":49,"streak":11,"colour":50,"commentcolor":11,"colors":51,"streak_colors":11,"luminescence":11,"uv":11,"cleavage":55,"cleavagetype":56,"fracturetype":11,"tenacity":11,"commentbreak":11,"opticaltype":57,"opticalsign":11,"opticalalpha":36,"opticalalpha2":36,"opticalalphaerror":11,"opticalbeta":36,"opticalbeta2":36,"opticalbetaerror":11,"opticalgamma":36,"opticalgamma2":36,"opticalgammaerror":11,"opticalomega":58,"opticalomega2":36,"opticalomegaerror":11,"opticalepsilon":59,"opticalepsilon2":36,"opticalepsilonerror":11,"opticaln":36,"opticaln2":36,"opticalnerror":11,"optical2vcalc":36,"optical2vcalc2":36,"optical2vcalcerror":11,"optical2vmeasured":36,"optical2vmeasured2":36,"optical2vmeasurederror":11,"rimin":60,"rimax":61,"opticaldispersion":11,"opticalpleochroism":11,"opticalpleochorismdesc":11,"opticalbirefringence":11,"opticalcomments":62,"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":63,"occurrence":64,"otheroccurrence":11,"type_specimen_store":65,"description_short":66,"aboutname":67,"rock_parent":11,"rock_parent2":11,"rock_root":9,"rock_bgs_code":11,"meteoritical_code":11,"updttime":68,"reviewed_at":11,"variety_of":11,"varieties":69,"group_members":70,"associates":71,"confused_with":72,"type_localities":86,"occurrence_total":93,"citations":94,"images":116,"structures":127,"synonyms":149,"language_names":153,"wikidata_qid":178,"texts":179},1750,"1:1:1750:9","28a18025-570c-4765-b13b-665a3f3ee9f1","Grimaldiite","Gmd",0,"mineral",null,95,false,"CrO(OH)","may rather be HCrO\u003Csub>2\u003C\u002Fsub> due to relations with delafossite",[17,18,19],"Cr","O","H",[17,18,19],[17],"7.14.3",[24],"APPROVED","1967","4","F","E","20","6","1","5","Trigonal",11,86,"0","2.973","13.392",2,1,3,3.5,4.5,"4.11","4.12","4.13","synthetic","Sub-Metallic","Transparent,Translucent","Deep red to pinkish brown",[52,53,54],"red","pink","brown"," {0001}","Distinct\u002FGood","Uniaxial","2.155","1.975",1.975,2.155,"n = ∼2.05, varies in mixtures","Found in some processing wastes of chromite mills in India.","Alluvial gravels","Harvard University, Cambridge, Massachusetts, USA; The Natural History Museum, London, England, 1979,136.","As with other Cr mineral species from the Merume River locality, such as bracewellite, guyanaite, and mcconnellite this species is NOT universally present in every specimen and verification of each specimen is required.\r\n\r\nThe structure may rather be r...","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 Frank Saverio Grimaldi [October 11, 1915 -  April 30, 1985, Vienna, Virginia, USA], former chief chemist of the U. S. Geological Survey.","2025-08-11 12:14:20",[],[],[],[73,81],{"id":74,"name":75,"entrytype":9,"csystem":76,"ima_formula":14,"mindat_formula":14,"hmin":77,"hmax":78,"dmeas":79,"dcalc":80,"primary_image_id":11},748,"Bracewellite","Orthorhombic",5.5,6.5,"4.45","4.28",{"id":82,"name":83,"entrytype":9,"csystem":76,"ima_formula":14,"mindat_formula":14,"hmin":11,"hmax":11,"dmeas":36,"dcalc":84,"primary_image_id":85},1783,"Guyanaite","4.67",8072,[87],{"id":88,"txt":89,"latitude":90,"longitude":91,"country":92},1969,"Merume River, Rest of Region 8, Potaro-Siparuni Region, Guyana",5.2666667,-59.8333333,"Guyana",6,[95,98,102,107,111],{"id":96,"year":11,"html":97,"doi":11},16110899,"American Mineralogist: 62: 593.",{"id":99,"year":100,"html":101,"doi":11},16103808,1976,"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":103,"year":104,"html":105,"doi":106},3676,1984,"Livingstone, A., Jackson, B., Davidson, P. J. (1984) Grimaldiite, CrOOH, a second occurrence, from the Hiaca Mine, Colquechaca, Bolivia. \u003Ci>Mineralogical Magazine\u003C\u002Fi>,  48 (349) 560-562 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1180\u002Fminmag.1984.048.349.16'>doi:10.1180\u002Fminmag.1984.048.349.16\u003C\u002Fa> \u003Ca target='_blank' href='https:\u002F\u002Frruff.info\u002Fdoclib\u002FMinMag\u002FVolume_48\u002F48-349-560.pdf' class='refpdflink'>\u003C\u002Fa>","10.1180\u002Fminmag.1984.048.349.16",{"id":108,"year":109,"html":110,"doi":11},16964667,2005,"(2005) Grimaldiite. \u003Ci>Handbook of Mineralogy\u003C\u002Fi>. Mineralogical Society of America \u003Ca target='_blank' href='https:\u002F\u002Fwww.handbookofmineralogy.org\u002Fpdfs\u002Fgrimaldiite.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":112,"year":113,"html":114,"doi":115},16397944,2016,"Burlet, C., Goethals, H., Vanbrabant, Y. (2016) Delafossite structure of heterogenite polytypes (HCoO2) by Raman and infrared micro-spectroscopy. \u003Ci>Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy\u003C\u002Fi>, 159. 90-97 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1016\u002Fj.saa.2016.01.038'>doi:10.1016\u002Fj.saa.2016.01.038\u003C\u002Fa>","10.1016\u002Fj.saa.2016.01.038",[117],{"id":118,"source_url":119,"license_code":120,"credit_html":121,"title":122,"description":123,"author":124,"original_width":125,"original_height":126},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,[128,135,140,145],{"id":129,"url":130,"label":131,"formula":132,"spacegroup":133,"year":134},5725,"\u002Fcif\u002F5725.cif","Christensen 1977 · Cr O2 D (1)","Cr O2 D","R -3 m",1977,{"id":136,"url":137,"label":138,"formula":132,"spacegroup":139,"year":134},5726,"\u002Fcif\u002F5726.cif","Christensen 1977 · Cr O2 D (2)","R 3 m",{"id":141,"url":142,"label":143,"formula":144,"spacegroup":133,"year":134},5727,"\u002Fcif\u002F5727.cif","Christensen 1977 · Cr O2 H (1)","Cr O2 H",{"id":146,"url":147,"label":148,"formula":144,"spacegroup":139,"year":134},5728,"\u002Fcif\u002F5728.cif","Christensen 1977 · Cr O2 H (2)",[150,151,152],"Grimaldiiet","Grimaldite","IMA1967-036",[154,158,163,167,171,174],{"lang":155,"names":156},"ca",[157],"grimaldiïta",{"lang":159,"names":160},"de",[161,162],"Grimaldiit","IMA 1967-036",{"lang":164,"names":165},"es",[166],"Grimaldiíta",{"lang":168,"names":169},"eu",[170],"Grimaldiita",{"lang":172,"names":173},"it",[7],{"lang":175,"names":176},"zh",[177],"三方羟铬矿","Q3776794",{"history":11,"applications":11}]