[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"minerals:one:2591":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":15,"elements":16,"sigelements":25,"key_elements":26,"impurities":11,"cim":27,"ima_status":28,"ima_notes":11,"ima_history":11,"approval_year":11,"publication_year":30,"discovery_year":31,"strunz10ed1":32,"strunz10ed2":33,"strunz10ed3":33,"strunz10ed4":34,"dana8ed1":35,"dana8ed2":36,"dana8ed3":37,"dana8ed4":38,"csystem":39,"cclass":40,"spacegroup":41,"spacegroupset":42,"a":43,"b":42,"c":44,"alpha":42,"beta":42,"gamma":42,"aerror":11,"berror":11,"cerror":11,"alphaerror":11,"betaerror":11,"gammaerror":11,"va3":11,"z":45,"csmetamict":14,"commentcrystal":11,"twinning":11,"tranglide":11,"parting":11,"epitaxidescription":11,"morphology":46,"tlform":47,"hmin":48,"hmax":48,"hardtype":11,"vhnmin":49,"vhnmax":50,"vhnerror":11,"vhng":51,"vhns":11,"commenthard":11,"dmeas":42,"dmeas2":42,"dcalc":52,"dmeaserror":11,"dcalcerror":11,"commentdense":11,"lustre":11,"lustretype":53,"commentluster":11,"diapheny":54,"streak":11,"colour":55,"commentcolor":11,"colors":56,"streak_colors":11,"luminescence":11,"uv":11,"cleavage":11,"cleavagetype":11,"fracturetype":59,"tenacity":11,"commentbreak":11,"opticaltype":60,"opticalsign":11,"opticalalpha":42,"opticalalpha2":42,"opticalalphaerror":11,"opticalbeta":42,"opticalbeta2":42,"opticalbetaerror":11,"opticalgamma":42,"opticalgamma2":42,"opticalgammaerror":11,"opticalomega":42,"opticalomega2":42,"opticalomegaerror":11,"opticalepsilon":42,"opticalepsilon2":42,"opticalepsilonerror":11,"opticaln":42,"opticaln2":42,"opticalnerror":11,"optical2vcalc":42,"optical2vcalc2":42,"optical2vcalcerror":11,"optical2vmeasured":42,"optical2vmeasured2":42,"optical2vmeasurederror":11,"rimin":11,"rimax":11,"opticaldispersion":11,"opticalpleochroism":61,"opticalpleochorismdesc":62,"opticalbirefringence":11,"opticalcomments":11,"opticalcolour":63,"opticalinternal":64,"opticaltropic":65,"opticalanisotropism":66,"opticalbireflectance":11,"opticalextinction":11,"opticalr":67,"specdispm":11,"ir":11,"electrical":11,"magnetism":11,"thermalbehaviour":11,"other":11,"industrial":11,"occurrence":68,"otheroccurrence":11,"type_specimen_store":69,"description_short":70,"aboutname":71,"rock_parent":11,"rock_parent2":11,"rock_root":9,"rock_bgs_code":11,"meteoritical_code":11,"updttime":72,"reviewed_at":11,"variety_of":11,"varieties":73,"group_members":74,"associates":194,"confused_with":195,"type_localities":196,"occurrence_total":101,"citations":214,"images":234,"structures":244,"synonyms":251,"language_names":255,"wikidata_qid":272,"texts":273},2591,"1:1:2591:7","174adec8-a850-4f00-9e23-6a7b9402c176","Mathiasite","Mts",0,"mineral",null,29190,36,false,"(Mg,Cr,Fe,Ca,K)\u003Csub>2\u003C\u002Fsub>(Ti,Zr,Cr,Fe)\u003Csub>5\u003C\u002Fsub>O\u003Csub>12\u003C\u002Fsub>",[17,18,19,20,21,22,23,24],"Ca","Cr","Fe","Mg","Ti","Zr","O","K",[20,21,23],[21],"7.14.6",[29],"APPROVED",1983,"1983","4","C","40","8","5","1","7","Trigonal",10,80,"0","10.361","20.65",3,"Grains, to 5 mm","Massive, homogeneous and polycrystalline aggregates to 0.5-5 cm. Many appear to be single crystals, sub-spherical in shape with dimpled surfaces and an outer matte luster.",7.5,"1378","1714",100,"4.39","Metallic","Opaque","Black",[57,58],"black","brown","Conchoidal","Uniaxial","Weak"," dark tan.","tan","None","Anisotropic","Moderate; brownish tan to dark brown","(20.1,20.8) 400,\r\n(19.5,20.2) 420,\r\n(19.0,19.7) 440,\r\n(18.5,19.2) 460,\r\n(18.1,18.6) 480,\r\n(17.7,18.4) 500,\r\n(17.4,18.2) 520,\r\n(17.2,17.9) 540,\r\n(16.9,17.7) 560,\r\n(16.8,17.6) 580,\r\n(16.6,17.4) 600,\r\n(16.5,17.4) 620,\r\n(16.5,17.3) 640,\r\n(16.5,17.3) 600,\r\n(16.4,17.3) 680,\r\n(16.4,17.3) 700","Kimberlite, peridotite","National Museum, Cape Town, South Africa.\r\nThe Natural History Museum, London, England.\r\nNational Museum of Natural History, Washington, D.C., USA.","A member of the Crichtonite Group.","Named by S.E. Haggerty, J.R. Smyth, A.J. Erlank, R.S. Rickard, and R.V. Danchin in 1983 in honor of Frances Celia Morna Mathias (20 May 1913, UK - 2013), petrologist and geochemist. She was a professor in the Department of Geology, University of Cape Town, South Africa. The name is in recognition of her work on alkaline rocks and mantle-derived eclogites and peridotites.","2025-08-11 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","4.315",{"id":181,"name":182,"entrytype":9,"csystem":39,"ima_formula":183,"mindat_formula":184,"hmin":185,"hmax":185,"dmeas":186,"dcalc":186,"primary_image_id":11},55032,"Saranovskite","SrCaFe\u003Csup>2+\u003C\u002Fsup>\u003Csub> 2\u003C\u002Fsub>(Cr\u003Csub>4\u003C\u002Fsub>Ti\u003Csub>2\u003C\u002Fsub>)Ti\u003Csub>12\u003C\u002Fsub>O\u003Csub>38\u003C\u002Fsub>","SrCaFe\u003Csup>2+\u003C\u002Fsup>\u003Csub>2\u003C\u002Fsub>(Cr\u003Csub>4\u003C\u002Fsub>Ti\u003Csub>2\u003C\u002Fsub>)Ti\u003Csub>12\u003C\u002Fsub>O\u003Csub>38\u003C\u002Fsub>",8.5,"4.25",{"id":188,"name":189,"entrytype":9,"csystem":39,"ima_formula":190,"mindat_formula":190,"hmin":102,"hmax":124,"dmeas":191,"dcalc":192,"primary_image_id":193},3617,"Senaite","Pb(Mn,Y,U)(Fe,Zn)\u003Csub>2\u003C\u002Fsub>(Ti,Fe,Cr,V)\u003Csub>18\u003C\u002Fsub>(O,OH)\u003Csub>38\u003C\u002Fsub>","5.204","5.23",22064,[],[],[197,203,208],{"id":198,"txt":199,"latitude":200,"longitude":201,"country":202},3076,"Jagersfontein Mine, Jagersfontein, Kopanong Local Municipality, Xhariep District Municipality, Free State, South Africa",-29.7652778,25.4188889,"South Africa",{"id":204,"txt":205,"latitude":206,"longitude":207,"country":202},8982,"Bultfontein Mine, KEM JV Mine (Kimberley Ekapa Mining Joint Venture mine; Kimberley Underground mine), Kimberley, Sol Plaatje Local Municipality, Frances Baard District Municipality, Northern Cape, South Africa",-28.768163,24.792061,{"id":209,"txt":210,"latitude":211,"longitude":212,"country":213},51093,"Kolonkwanen kimberlite prospect, Kgalagadi District, Botswana",-26.6441667,21.9947222,"Botswana",[215,218,222,226,230],{"id":216,"year":30,"html":217,"doi":11},527762,"Haggerty, Stephen E., Erlank, J. R. Smyth. A. J., Rickard, R. S., Danchin, R. V. (1983) Lindsleyite (Ba) and mathiasite (K): two new chromium-titanates in the crichtonite series from the upper mantle. \u003Ci>American Mineralogist\u003C\u002Fi>,  68 (5-6) 494-505 \u003Ca target='_blank' href='http:\u002F\u002Fwww.minsocam.org\u002Fammin\u002FAM68\u002FAM68_494.pdf' class='refpdflink'>\u003C\u002Fa>",{"id":219,"year":30,"html":220,"doi":221},223706,"Gatehouse, B. M., Grey, I. E., Smyth, J. R. (1983) Structure refinement of mathiasite, (K0.62Na0.14 Ba0.14Sr0.10)Σ1.0[Ti12.90Cr3.10Mg1.53Fe2.15Zr0.67Ca0.29(V,Nb,Al)0.36]Σ21.0O38. \u003Ci>Acta Crystallographica Section C Crystal Structure Communications\u003C\u002Fi>,  39 (4). 421-422 \u003Ca target='_blank' href='https:\u002F\u002Fdoi.org\u002F10.1107\u002Fs0108270183004965'>doi:10.1107\u002Fs0108270183004965\u003C\u002Fa>","10.1107\u002Fs0108270183004965",{"id":223,"year":224,"html":225,"doi":11},16116475,1994,"Foley, S., Höfer, H., Brey, G. (1994) High-pressure synthesis of priderite and members of the lindsleyite-mathiasite and hawthorneite-yimengite series. Contributions to Mineralogy and Petrology: 117(2): 164-174.",{"id":227,"year":228,"html":229,"doi":11},16106777,2004,"Wülser, P.-A., Brugger, J., Meisser, N. (2004) The crichtonite group of minerals: a review of the classification. Bulletin de liaison de la Société Francaise de Minéralogie et Cristallographie: 16: 76-77.",{"id":231,"year":232,"html":233,"doi":11},16965870,2005,"(2005) Mathiasite. \u003Ci>Handbook of Mineralogy\u003C\u002Fi>. Mineralogical Society of America \u003Ca target='_blank' href='https:\u002F\u002Fwww.handbookofmineralogy.org\u002Fpdfs\u002Fmathiasite.pdf' class='refpdflink'>\u003C\u002Fa>",[235],{"id":149,"source_url":236,"license_code":237,"credit_html":238,"title":239,"description":240,"author":241,"original_width":242,"original_height":243},"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=106138808","CC BY-SA 4.0","David Hospital, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=106138808\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Mathiasite & Lindsleyite.jpg","Black metallic platy intergrown crystal of mathiasite and lindsleyite, two very rare minerals from the TL in Bultfontein, South Africa (Bultfontein Mine, Kimberley, Baard District, Northern Cape Province, South Africa). Ex Vandenbroucke Museum collection from Waregem, Belgium.","David Hospital",650,600,[245],{"id":246,"url":247,"label":248,"formula":249,"spacegroup":250,"year":30},8547,"\u002Fcif\u002F8547.cif","Gatehouse 1983","(K.62 Na.14 Ba.14 Sr.1) (Zr.7 Ca.3) Mg1.333 Fe2.2 Ti12.9 Cr3.1 V.233 Nb.233 O38","R -3",[252,253,254],"IMA1982-087","Mathiasiet","Mongshanite",[256,260,265,269],{"lang":257,"names":258},"ca",[259],"mathiasita",{"lang":261,"names":262},"de",[263,264],"IMA 1982-087","Mathiasit",{"lang":266,"names":267},"eu",[268],"Mathiasita",{"lang":270,"names":271},"it",[7],"Q3851803",{"history":11,"applications":11}]