[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"minerals:one:5293":3},{"id":4,"longid":5,"guid":6,"name":7,"shortcode_ima":8,"entrytype":9,"entrytype_text":10,"varietyof":11,"synid":8,"polytypeof":8,"groupid":8,"weighting":12,"nolocadd":13,"blacklisted":13,"mindat_formula":14,"mindat_formula_note":8,"ima_formula":8,"elements":15,"sigelements":20,"key_elements":8,"impurities":8,"cim":8,"ima_status":8,"ima_notes":8,"ima_history":8,"approval_year":8,"publication_year":8,"discovery_year":8,"strunz10ed1":21,"strunz10ed2":8,"strunz10ed3":8,"strunz10ed4":8,"dana8ed1":21,"dana8ed2":21,"dana8ed3":21,"dana8ed4":21,"csystem":8,"cclass":8,"spacegroup":8,"spacegroupset":21,"a":8,"b":8,"c":8,"alpha":8,"beta":8,"gamma":8,"aerror":8,"berror":8,"cerror":8,"alphaerror":8,"betaerror":8,"gammaerror":8,"va3":8,"z":8,"csmetamict":13,"commentcrystal":8,"twinning":8,"tranglide":8,"parting":8,"epitaxidescription":8,"morphology":8,"tlform":8,"hmin":8,"hmax":8,"hardtype":8,"vhnmin":21,"vhnmax":21,"vhnerror":8,"vhng":8,"vhns":8,"commenthard":8,"dmeas":21,"dmeas2":21,"dcalc":21,"dmeaserror":8,"dcalcerror":8,"commentdense":8,"lustre":8,"lustretype":8,"commentluster":8,"diapheny":8,"streak":8,"colour":8,"commentcolor":8,"colors":8,"streak_colors":8,"luminescence":8,"uv":8,"cleavage":8,"cleavagetype":8,"fracturetype":8,"tenacity":8,"commentbreak":8,"opticaltype":8,"opticalsign":8,"opticalalpha":8,"opticalalpha2":21,"opticalalphaerror":8,"opticalbeta":8,"opticalbeta2":21,"opticalbetaerror":8,"opticalgamma":8,"opticalgamma2":21,"opticalgammaerror":8,"opticalomega":8,"opticalomega2":21,"opticalomegaerror":8,"opticalepsilon":8,"opticalepsilon2":21,"opticalepsilonerror":8,"opticaln":8,"opticaln2":8,"opticalnerror":8,"optical2vcalc":8,"optical2vcalc2":8,"optical2vcalcerror":8,"optical2vmeasured":8,"optical2vmeasured2":8,"optical2vmeasurederror":8,"rimin":8,"rimax":8,"opticaldispersion":8,"opticalpleochroism":8,"opticalpleochorismdesc":8,"opticalbirefringence":8,"opticalcomments":8,"opticalcolour":8,"opticalinternal":8,"opticaltropic":8,"opticalanisotropism":8,"opticalbireflectance":8,"opticalextinction":8,"opticalr":8,"specdispm":8,"ir":8,"electrical":8,"magnetism":8,"thermalbehaviour":8,"other":8,"industrial":8,"occurrence":8,"otheroccurrence":8,"type_specimen_store":8,"description_short":8,"aboutname":22,"rock_parent":8,"rock_parent2":8,"rock_root":23,"rock_bgs_code":8,"meteoritical_code":8,"updttime":24,"reviewed_at":8,"variety_of":25,"varieties":35,"group_members":36,"associates":37,"confused_with":38,"type_localities":39,"occurrence_total":40,"citations":41,"images":50,"structures":177,"synonyms":178,"language_names":182,"wikidata_qid":8,"texts":183},5293,"1:1:5293:7","f58bc754-7ae7-4388-9dcc-b574b9eb82fd","Bronzite",null,2,"variety",1384,1105,false,"(Mg,Fe\u003Csup>2+\u003C\u002Fsup>)\u003Csub>2\u003C\u002Fsub>[SiO\u003Csub>3\u003C\u002Fsub>]\u003Csub>2\u003C\u002Fsub>",[16,17,18,19],"Fe","Mg","Si","O",[17,18,19],"0","Named for the bronze-like submetallic luster on the characteristic cleavage surfaces.",0,"2025-08-11 12:14:26",{"id":11,"name":26,"entrytype":23,"csystem":27,"ima_formula":28,"mindat_formula":28,"hmin":29,"hmax":30,"dmeas":31,"dcalc":32,"strunz10ed1":33,"primary_image_id":34},"Enstatite","Orthorhombic","Mg\u003Csub>2\u003C\u002Fsub>Si\u003Csub>2\u003C\u002Fsub>O\u003Csub>6\u003C\u002Fsub>",5,6,"3.2","3.189","9",5844,[],[],[],[],[],214,[42,46],{"id":43,"year":44,"html":45,"doi":8},16772131,1810,"Klaproth, M. H. (1810) CLXXVI. Chemische Untersuchung des Bronzits. In \u003Ci>Beiträge zur chemischen Kenntniss der Mineralkörper\u003C\u002Fi> Vol. 5. Rottmann. p.32-36.",{"id":47,"year":48,"html":49,"doi":8},16129488,1972,"Frisillo, A.L. and Barsch, G.R. (1972): Measurement of single-crystal elastic constants of bronzite as a function of pressure and temperature. Journal of Geophysical Research: 77: 6360-6384.",[51,58,68,72,76,85,95,104,114,121,131,139,146,153,160,167],{"id":52,"source_url":53,"license_code":54,"credit_html":55,"title":7,"description":8,"author":8,"original_width":56,"original_height":57},87842,"https:\u002F\u002Fgeocollections.info\u002Ffile\u002F119831","CC BY 4.0","Photo: Unknown author — http:\u002F\u002Fcreativecommons.org\u002Flicenses\u002Fby\u002F4.0\u002F, courtesy of \u003Ca href=\"https:\u002F\u002Fgeocollections.info\u002Ffile\u002F119831\" rel=\"noopener\">Department of Geology, TalTech\u003C\u002Fa> via Europeana",1000,666,{"id":59,"source_url":60,"license_code":61,"credit_html":62,"title":63,"description":64,"author":65,"original_width":66,"original_height":67},37180,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=3505202","CC BY-SA 3.0","Ra'ike (see also: de:Benutzer:Ra'ike), via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=3505202\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Bronzite - Variety of Enstatite.jpg","Bronzite, Variety of Enstatite","Ra'ike (see also: de:Benutzer:Ra'ike)",1333,1029,{"id":69,"source_url":70,"license_code":54,"credit_html":71,"title":7,"description":8,"author":8,"original_width":56,"original_height":57},87843,"https:\u002F\u002Fgeocollections.info\u002Ffile\u002F119128","Photo: Unknown author — http:\u002F\u002Fcreativecommons.org\u002Flicenses\u002Fby\u002F4.0\u002F, courtesy of \u003Ca href=\"https:\u002F\u002Fgeocollections.info\u002Ffile\u002F119128\" rel=\"noopener\">Department of Geology, TalTech\u003C\u002Fa> via Europeana",{"id":73,"source_url":74,"license_code":54,"credit_html":75,"title":7,"description":8,"author":8,"original_width":56,"original_height":57},87844,"https:\u002F\u002Fgeocollections.info\u002Ffile\u002F113185","Photo: Unknown author — http:\u002F\u002Fcreativecommons.org\u002Flicenses\u002Fby\u002F4.0\u002F, courtesy of \u003Ca href=\"https:\u002F\u002Fgeocollections.info\u002Ffile\u002F113185\" rel=\"noopener\">Department of Geology, TalTech\u003C\u002Fa> via Europeana",{"id":77,"source_url":78,"license_code":61,"credit_html":79,"title":80,"description":81,"author":82,"original_width":83,"original_height":84},7862,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10456273","Robert M. Lavinsky, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=10456273\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Enstatite-pas-146b.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FEnstatite\" class=\"extiw\" title=\"en:Enstatite\">Enstatite\u003C\u002Fa>\n\u003Cdl>\u003Cdd>\u003Cdl>\u003Cdd>Locality: Bare Hills Copper Mine (Smith Avenue Copper Mine), Bare Hills, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FBaltimore_County,_Maryland\" class=\"extiw\" title=\"en:Baltimore County, Maryland\">Baltimore County\u003C\u002Fa>, \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FMaryland\" class=\"extiw\" title=\"en:Maryland\">Maryland\u003C\u002Fa>, USA (\u003Ca rel=\"nofollow\" class=\"external text\" href=\"http:\u002F\u002Fwww.mindat.org\u002Floc-28714.html\">Locality at mindat.org\u003C\u002Fa>)\u003C\u002Fdd>\n\u003Cdd>Size: cabinet, 9.6 x 7.5 x 4.9 cm\n\u003Cdl>\u003Cdt>Enstatite var. Bronzite\u003C\u002Fdt>\u003C\u002Fdl>\u003C\u002Fdd>\n\u003Cdd>A classic from a very old American locality that is a varietal of enstatite but apparently still a valid species as I read it. Note the curving, bronzy,\" well-defined crystals. From the noted W.W. Jefferis (1820-1906) Collection. According to MINDAT, this was a \"copper mine located about 1 mile NW of Mt Washington and about 3 miles NW of Baltimore. Started 1845 and closed 1880. Reopened during the period 1905.\" Jefferis handling of the specimen would have been from the heyday of the mine, in the mid 1800s. Note the early museum accession number 6846, as well. This is a big, somewhat showy, display-worthy specimen from a long-vanished locality, proably under a building for 100 years now.\u003C\u002Fdd>\u003C\u002Fdl>\u003C\u002Fdd>\u003C\u002Fdl>","Robert M. Lavinsky",400,342,{"id":86,"source_url":87,"license_code":88,"credit_html":89,"title":90,"description":91,"author":92,"original_width":93,"original_height":94},5577,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=17781135","Public domain","Jstuby at en.wikipedia, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=17781135\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Chromitite Stillwater Ig complex.jpg","\u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FChromitite\" class=\"extiw\" title=\"en:Chromitite\">Chromitite\u003C\u002Fa> with \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002Fbronzite\" class=\"extiw\" title=\"en:bronzite\">bronzite\u003C\u002Fa> \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002Fphenocryst\" class=\"extiw\" title=\"en:phenocryst\">phenocrysts\u003C\u002Fa> from \u003Ca href=\"https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FStillwater_igneous_complex\" class=\"extiw\" title=\"en:Stillwater igneous complex\">Stillwater igneous complex\u003C\u002Fa>, Montana. Collected June 24, 1997, during Penn State's Geology Field Camp.  Scale bar is 1 cm.  Collection designation is \u003Ci>sw1\u003C\u002Fi>.","Jstuby at en.wikipedia",767,544,{"id":96,"source_url":97,"license_code":61,"credit_html":98,"title":99,"description":100,"author":101,"original_width":102,"original_height":103},37184,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=33710439","Ji-Elle, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=33710439\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Bronzite-Lingoutte-Université de Strasbourg.jpg","Bronzite. Lingoutte, Sainte-Marie-aux-Mines. Musée de minéralogie de l'université de Strasbourg","Ji-Elle",4320,3240,{"id":105,"source_url":106,"license_code":107,"credit_html":108,"title":109,"description":110,"author":111,"original_width":112,"original_height":113},37186,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=84626926","CC BY 2.0","James St. John, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=84626926\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Large bronzite crystal in bronzitic anorthosite (Stillwater Complex, Neoarchean, 2.71 Ga; mine core dump, Stillwater Mine, Beartooth Mountains, Montana, USA) 1 (31406483325).jpg","\u003Cp>Bronzite orthopyroxene from the Precambrian of Montana, USA. (2.5 cm across at its widest)\n\u003C\u002Fp>\u003Cp>Southern Montana’s Beartooth Mountains has one of only three platinum mines in North America.  There, platinum and palladium are mined from the 2.71 billion-year-old Stillwater Complex, a classic example of an LLI (large, layered igneous province).  LLIs are large intrusive bodies that display large-scale and small-scale layering, even including cross bedding, ripples, graded bedding, channelforms, and other sedimentary-like features.  The Stillwater started out as a large subsurface mass of slowly cooling magma.  As various minerals crystallized, they settled to the bottom of the magma chamber.  This resulted in layering.  Igneous rocks that formed this way have a cumulate texture.  Currents in the still-liquid portions of the magma chamber produced the sedimentary structures mentioned above.  Most of the Stillwater displays only large-scale layering.\n\u003C\u002Fp>\u003Cp>The rocks in the Stillwater are ultramafic & mafic intrusive igneous rocks.  Common lithologies include gabbros, norites, harzburgites, anorthosites, troctolites, chromitites, pyroxenites, and dunites.  Portions of the Stillwater have been metamorphosed.  Olivine is the most commonly altered component, usually metamorphosed to serpentine.\n\u003C\u002Fp>\u003Cp>The main platinum & palladium occurrence is in the Johns-Manville Reef (J-M Reef), an interval in the lower part of the Lower Banded Series.  There, the Pt & Pd occur in intercumulate sulfides, typically pyrrhotite (Fe1-xS) and chalcopyrite (CuFeS2).  Platinum ores in the J-M Reef are principally sulfidic anorthosites, but other lithologies also occur.  The J-M Reef is the highest grade deposit known for platinum-group elements (PGEs).\n\u003C\u002Fp>\u003Cp>The sample shown above is not a platinum ore - it's part of a core taken decades ago during exploration studies by the Stillwater Mine.  The slightly lustrous, brownish-colored mass is part of a single moderately large crystal of bronzite orthopyroxene.\n\u003C\u002Fp>\u003Cp>Stratigraphy: Stillwater Complex, Neoarchean, 2.71 Ga\n\u003C\u002Fp>\nLocality: exploratory core dump pile along the southern side of West Fork Stillwater Road (= Forest Service Road 2846), next to the Stillwater Mine's tailings pond, Stillwater Canyon, Beartooth Mountains, southern Montana, USA","James St. John",1482,1617,{"id":115,"source_url":116,"license_code":107,"credit_html":117,"title":118,"description":110,"author":111,"original_width":119,"original_height":120},37187,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=84626928","James St. John, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=84626928\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Large bronzite crystal in bronzitic anorthosite (Stillwater Complex, Neoarchean, 2.71 Ga; mine core dump, Stillwater Mine, Beartooth Mountains, Montana, USA) 2 (31370224786).jpg",1760,1928,{"id":122,"source_url":123,"license_code":124,"credit_html":125,"title":126,"description":127,"author":128,"original_width":129,"original_height":130},49658,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=128074065","CC BY-SA 4.0","Reinhard Kraasch, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=128074065\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Orthopyroxen (Bronzit) mit Entmischungslamellen (RK 2206 P1890181).jpg","\u003Ca href=\"https:\u002F\u002Fde.wikipedia.org\u002Fwiki\u002FOrthopyroxen\" class=\"extiw\" title=\"de:Orthopyroxen\">Orthopyroxen\u003C\u002Fa> (Bronzit) mit Entmischungslamellen von \u003Ca href=\"https:\u002F\u002Fde.wikipedia.org\u002Fwiki\u002FKlinopyroxen\" class=\"extiw\" title=\"de:Klinopyroxen\">Klinopyroxen\u003C\u002Fa> vom \u003Ca href=\"https:\u002F\u002Fde.wikipedia.org\u002Fwiki\u002FLac_Saint-Jean\" class=\"extiw\" title=\"de:Lac Saint-Jean\">Lac St.-Jean\u003C\u002Fa>, Quebec, Kanada – ausgestellt im \u003Ca href=\"https:\u002F\u002Fde.wikipedia.org\u002Fwiki\u002FMineralogisches_Museum_W%C3%BCrzburg\" class=\"extiw\" title=\"de:Mineralogisches Museum Würzburg\">Mineralogischen Museum Würzburg\u003C\u002Fa>","Reinhard Kraasch",3217,1933,{"id":132,"source_url":133,"license_code":107,"credit_html":134,"title":135,"description":136,"author":111,"original_width":137,"original_height":138},37194,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=98896469","James St. John, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=98896469\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Bronzite in sulfidic serpentintite (platinum-palladium ore) (Johns-Manville Reef, Stillwater Complex, Neoarchean, 2.71 Ga; Stillwater Mine, Beartooth Mountains, Montana, USA) 4.jpg","Bronzite in sulfidic serpentinite from the Precambrian of Montana, USA.\n\u003Cp>Southern Montana’s Beartooth Mountains has one of only three platinum mines in North America.  There, platinum and palladium are mined from the 2.71 billion-year-old Stillwater Complex, a classic example of an LLI (large, layered igneous province).  LLIs are large intrusive bodies that display large-scale and small-scale layering, even including cross bedding, ripples, graded bedding, channelforms, and other sedimentary-like features.  The Stillwater started out as a large subsurface mass of slowly cooling magma.  As various minerals crystallized, they settled to the bottom of the magma chamber.  This resulted in layering.  Igneous rocks that formed this way have a cumulate texture.  Currents in the still-liquid portions of the magma chamber produced the sedimentary structures mentioned above.  Most of the Stillwater displays only large-scale layering.\n\u003C\u002Fp>\u003Cp>The rocks in the Stillwater are ultramafic and mafic intrusive igneous rocks.  Common lithologies include gabbros, norites, harzburgites, anorthosites, troctolites, chromitites, pyroxenites, and dunites.  Portions of the Stillwater have been metamorphosed.  Olivine is the most commonly altered component, usually metamorphosed to serpentine.\n\u003C\u002Fp>\u003Cp>The main platinum-palladium occurrence is in the Johns-Manville Reef (J-M Reef), an interval in the lower part of the Lower Banded Series.  There, the Pt-Pd occur in intercumulate sulfides, typically pyrrhotite (Fe1-xS) (= dull brassy colored) and chalcopyrite (CuFeS2) (= yellow brassy colored).  Platinum ores in the J-M Reef are principally sulfidic anorthosites, but other lithologies also occur.  The J-M Reef is the highest grade deposit known for platinum-group elements (PGEs).\n\u003C\u002Fp>\u003Cp>This Stillwater rock is principally a sulfidic serpentinite.  The highly lustrous areas are cleavage planes of bronzite, a type of orthopyroxene.\n\u003C\u002Fp>\u003Cp>Stratigraphy: \"footwall rocks\" beneath the main olivine-bearing zone associated with the Johns-Manville Reef, Troctolite-Anorthosite I zone, Lower Banded Series, Stillwater Complex, Neoarchean, 2.71 Ga\n\u003C\u002Fp>\nLocality: 50W141 D7 West in the Stillwater Mine (= western side of the D7 level, ~98’ below the 5000’ elevation level, 141’ west of shaft), underground and west of the Stillwater River, southwest of the town of Nye, southwestern Stillwater County, Beartooth Mountains, southern Montana, USA",3707,2567,{"id":140,"source_url":141,"license_code":107,"credit_html":142,"title":143,"description":136,"author":111,"original_width":144,"original_height":145},37195,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=98896471","James St. John, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=98896471\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Bronzite in sulfidic serpentintite (platinum-palladium ore) (Johns-Manville Reef, Stillwater Complex, Neoarchean, 2.71 Ga; Stillwater Mine, Beartooth Mountains, Montana, USA) 3.jpg",3172,2262,{"id":147,"source_url":148,"license_code":107,"credit_html":149,"title":150,"description":136,"author":111,"original_width":151,"original_height":152},37196,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=98896472","James St. John, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=98896472\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Bronzite in sulfidic serpentintite (platinum-palladium ore) (Johns-Manville Reef, Stillwater Complex, Neoarchean, 2.71 Ga; Stillwater Mine, Beartooth Mountains, Montana, USA) 2.jpg",3269,2663,{"id":154,"source_url":155,"license_code":107,"credit_html":156,"title":157,"description":136,"author":111,"original_width":158,"original_height":159},37197,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=98896473","James St. John, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=98896473\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Bronzite in sulfidic serpentintite (platinum-palladium ore) (Johns-Manville Reef, Stillwater Complex, Neoarchean, 2.71 Ga; Stillwater Mine, Beartooth Mountains, Montana, USA) 5.jpg",3843,2535,{"id":161,"source_url":162,"license_code":107,"credit_html":163,"title":164,"description":136,"author":111,"original_width":165,"original_height":166},37198,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=98896474","James St. John, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=98896474\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Bronzite in sulfidic serpentintite (platinum-palladium ore) (Johns-Manville Reef, Stillwater Complex, Neoarchean, 2.71 Ga; Stillwater Mine, Beartooth Mountains, Montana, USA) 1.jpg",2882,1784,{"id":168,"source_url":169,"license_code":170,"credit_html":171,"title":172,"description":173,"author":174,"original_width":175,"original_height":176},37846,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=163475748","CC0 1.0","Darla Sondrol, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=163475748\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Pyroxenite (harzburgite) (GeoDIL number - 235).jpg","This harzburgite from the Stillwater Complex, Near Nye, Montana, is mostly composed of orthopyroxene (bronzite), with subordinate amounts of olivine and calcic plagioclase, and very minor clinopyroxene and chromite. The specimen is 9 cm across.","Darla Sondrol",2662,1860,[],[179,180,181],"Bronzit","Bronzita","Bronzyt",[],{"history":8,"applications":8}]