[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"minerals:one:9253":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":14,"mindat_formula":15,"mindat_formula_note":8,"ima_formula":8,"elements":16,"sigelements":19,"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":20,"strunz10ed2":20,"strunz10ed3":20,"strunz10ed4":8,"dana8ed1":20,"dana8ed2":20,"dana8ed3":20,"dana8ed4":20,"csystem":8,"cclass":8,"spacegroup":8,"spacegroupset":20,"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":14,"commentcrystal":8,"twinning":8,"tranglide":8,"parting":8,"epitaxidescription":8,"morphology":8,"tlform":8,"hmin":8,"hmax":8,"hardtype":8,"vhnmin":8,"vhnmax":8,"vhnerror":8,"vhng":8,"vhns":8,"commenthard":8,"dmeas":20,"dmeas2":20,"dcalc":8,"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":20,"opticalalphaerror":8,"opticalbeta":8,"opticalbeta2":20,"opticalbetaerror":8,"opticalgamma":8,"opticalgamma2":20,"opticalgammaerror":8,"opticalomega":8,"opticalomega2":20,"opticalomegaerror":8,"opticalepsilon":8,"opticalepsilon2":20,"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":8,"rock_parent":8,"rock_parent2":8,"rock_root":21,"rock_bgs_code":8,"meteoritical_code":8,"updttime":22,"reviewed_at":8,"variety_of":23,"varieties":29,"group_members":30,"associates":31,"confused_with":32,"type_localities":33,"occurrence_total":34,"citations":35,"images":40,"structures":167,"synonyms":168,"language_names":169,"wikidata_qid":8,"texts":170},9253,"1:1:9253:7","5daf6aa6-90dc-4fd0-ae0d-aec8c307a0d8","Lake Superior Agate",null,2,"variety",51,183,true,false,"SiO\u003Csub>2\u003C\u002Fsub>",[17,18],"Si","O",[17,18],"0",0,"2025-08-11 12:15:31",{"id":11,"name":24,"entrytype":9,"csystem":8,"ima_formula":8,"mindat_formula":15,"hmin":25,"hmax":26,"dmeas":27,"dcalc":20,"strunz10ed1":20,"primary_image_id":28},"Agate",6.5,7,"2.6",87523,[],[],[],[],[],62,[36],{"id":37,"year":38,"html":39,"doi":8},16132165,1996,"Wolter, Scott (1996) The Lake Superior Agate (Third Edition, 1996, Burgess Publishing)",[41,50,60,68,78,88,96,104,112,120,128,136,144,151,159],{"id":42,"source_url":43,"license_code":44,"credit_html":45,"title":46,"description":47,"author":48,"original_width":49,"original_height":49},63537,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=8536578","Public domain","Astynax, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=8536578\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Agatesuperiorminnesota.jpg","cabochon of Lake Superior Agate from Minnesota","Astynax",400,{"id":51,"source_url":52,"license_code":53,"credit_html":54,"title":55,"description":56,"author":57,"original_width":58,"original_height":59},63538,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=8875524","CC0 1.0","IowaAgateMan, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=8875524\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Lake superior agate.jpg","Lake Superior Agate from northeast Iowa. Shows typical banding and crystalline quartz center.","IowaAgateMan",815,720,{"id":61,"source_url":62,"license_code":53,"credit_html":63,"title":64,"description":65,"author":57,"original_width":66,"original_height":67},63539,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=8875966","IowaAgateMan, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=8875966\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Lake superior agate 002.jpg","Lake Superior agate from northeast Iowa. Typical banding and colors",730,541,{"id":69,"source_url":70,"license_code":71,"credit_html":72,"title":73,"description":74,"author":75,"original_width":76,"original_height":77},63545,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=69189318","CC BY-SA 4.0","Lech Darski, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=69189318\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Agat Lake Superior (Lake superior agate) - Minnesota, USA.jpg","Agat Lake Superior (Lake superior agate) - Minnesota, USA.","Lech Darski",2870,1913,{"id":79,"source_url":80,"license_code":81,"credit_html":82,"title":83,"description":84,"author":85,"original_width":86,"original_height":87},63547,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=82974707","CC BY 2.0","James St. John, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=82974707\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Agate nodule (\"Lake Superior Agate\") 2 (23518382156).jpg","\u003Cp>Agate (\"Lake Superior Agate\") (public display, Minnesota Discovery Center, Chisholm, Minnesota, USA)\n\u003C\u002Fp>\u003Cp>\"Agate\" is a rockhound\u002Fcollector term for cavities in rocks (usually sedimentary rocks such as limestone or igneous rocks such as basalt) that have been partially or completely filled with irregularly concentric layers of microcrystalline, fibrous quartz (chalcedony - SiO2).  Agate is quartz.\n\u003C\u002Fp>\u003Cp>The above specimen is \"Lake Superior Agate\", which is a variety that occurs around Lake Superior in Minnesota and the Upper Peninsula of Michigan.  The agate filled large vesicles (gas bubbles) in ~1.1 billion year old basalt lava flows of Minnesota's North Shore Volcanic Series and Michigan's Portage Lake Volcanic Series.  The orangish-brown and reddish-brown and yellowish coloration seen in this agate sample is the result of iron oxide impurities in the chalcedony layers.\n\u003C\u002Fp>\nThis agate is not accompanied by locality information, but probably comes from Minnesota.  Lake Superior Agate is the state gemstone of Minnesota.","James St. John",1860,2046,{"id":89,"source_url":90,"license_code":81,"credit_html":91,"title":92,"description":93,"author":85,"original_width":94,"original_height":95},63548,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=82974708","James St. John, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=82974708\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Agate nodule (\"Lake Superior Agate\") 1 (23248724760).jpg","\u003Cp>Agate (\"Lake Superior Agate\") (public display, Minnesota Discovery Center, Chisholm, Minnesota, USA)\n\u003C\u002Fp>\u003Cp>\"Agate\" is a rockhound\u002Fcollector term for cavities in rocks (usually sedimentary rocks such as limestone or igneous rocks such as basalt) that have been partially or completely filled with irregularly concentric layers of microcrystalline, fibrous quartz (chalcedony - SiO2).  Agate is quartz.\n\u003C\u002Fp>\u003Cp>The above specimen is \"Lake Superior Agate\", which is a variety that occurs around Lake Superior in Minnesota and the Upper Peninsula of Michigan.  The agate filled large vesicles (gas bubbles) in ~1.1 billion year old basalt lava flows of Minnesota's North Shore Volcanic Series and Michigan's Portage Lake Volcanic Series.  The reddish and yellowish coloration seen in this agate sample is the result of iron oxide impurities in the chalcedony layers.\n\u003C\u002Fp>\nThis agate is not accompanied by locality information, but probably comes from Minnesota.  Lake Superior Agate is the state gemstone of Minnesota.",3037,2732,{"id":97,"source_url":98,"license_code":81,"credit_html":99,"title":100,"description":101,"author":85,"original_width":102,"original_height":103},63549,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=82974854","James St. John, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=82974854\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Agate nodule (\"Lake Superior Agate\") (Jo Daviess County, Illinois, USA) 7 (34743298056).jpg","\u003Cp>Agate (\"Lake Superior Agate\") found in Illinois, USA.\n\u003C\u002Fp>\u003Cp>\"Agate\" is a rockhound\u002Fcollector term for cavities in rocks (usually sedimentary rocks such as limestone or igneous rocks such as basalt) that have been partially or completely filled with irregularly concentric layers of microcrystalline, fibrous quartz (chalcedony - SiO2).  Agate is quartz.\n\u003C\u002Fp>\u003Cp>The above specimen is \"Lake Superior Agate\", which is the state gemstone of Minnesota.  It is a variety that occurs around Lake Superior in Minnesota and the Upper Peninsula of Michigan.  The agate filled large vesicles (gas bubbles) in ~1.1 billion year old basalt lava flows of Minnesota's North Shore Volcanic Series and Michigan's Portage Lake Volcanic Series.  The reddish coloration seen in this agate sample is the result of iron oxide impurities in the chalcedony layers.\n\u003C\u002Fp>\u003Cp>This sample was actually near Dubuque, Iowa - way south of Minnesota.  Pleistocene glaciers and post-glaciation meltwater rivers transported some agates from the Lake Superior area to deposits along the Mississippi River.\n\u003C\u002Fp>\nLocality: undisclosed site attributed to the Mississippi River in western Jo Daviess County, northwestern Illinois, USA",1310,1370,{"id":105,"source_url":106,"license_code":81,"credit_html":107,"title":108,"description":109,"author":85,"original_width":110,"original_height":111},63550,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=82974856","James St. John, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=82974856\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Agate nodule (\"Lake Superior Agate\") (Jo Daviess County, Illinois, USA) 8 (34651174951).jpg","\u003Cp>Agate (\"Lake Superior Agate\") found in Illinois, USA.\n\u003C\u002Fp>\u003Cp>\"Agate\" is a rockhound\u002Fcollector term for cavities in rocks (usually sedimentary rocks such as limestone or igneous rocks such as basalt) that have been partially or completely filled with irregularly concentric layers of microcrystalline, fibrous quartz (chalcedony - SiO2).  Agate is quartz.\n\u003C\u002Fp>\u003Cp>The above specimen is \"Lake Superior Agate\", which is the state gemstone of Minnesota.  It is a variety that occurs around Lake Superior in Minnesota and the Upper Peninsula of Michigan.  The agate filled large vesicles (gas bubbles) in ~1.1 billion year old basalt lava flows of Minnesota's North Shore Volcanic Series and Michigan's Portage Lake Volcanic Series.  The reddish-brown coloration seen in this agate sample is the result of iron oxide impurities in the chalcedony layers.\n\u003C\u002Fp>\u003Cp>This sample was actually near Dubuque, Iowa - way south of Minnesota.  Pleistocene glaciers and post-glaciation meltwater rivers transported some agates from the Lake Superior area to deposits along the Mississippi River.\n\u003C\u002Fp>\nLocality: undisclosed site attributed to the Mississippi River in western Jo Daviess County, northwestern Illinois, USA",1609,1279,{"id":113,"source_url":114,"license_code":81,"credit_html":115,"title":116,"description":117,"author":85,"original_width":118,"original_height":119},63551,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=82974864","James St. John, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=82974864\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Agate nodule (\"Lake Superior Agate\") (Jo Daviess County, Illinois, USA) 16 (34783567065).jpg","\u003Cp>Agate (\"Lake Superior Agate\") found in Illinois, USA.\n\u003C\u002Fp>\u003Cp>\"Agate\" is a rockhound\u002Fcollector term for cavities in rocks (usually sedimentary rocks such as limestone or igneous rocks such as basalt) that have been partially or completely filled with irregularly concentric layers of microcrystalline, fibrous quartz (chalcedony - SiO2).  Agate is quartz.\n\u003C\u002Fp>\u003Cp>The above specimen is \"Lake Superior Agate\", which is the state gemstone of Minnesota.  It is a variety that occurs around Lake Superior in Minnesota and the Upper Peninsula of Michigan.  The agate filled large vesicles (gas bubbles) in ~1.1 billion year old basalt lava flows of Minnesota's North Shore Volcanic Series and Michigan's Portage Lake Volcanic Series.  The reddish-brown and yellowish-brown coloration seen in this agate sample is the result of iron oxide impurities in the chalcedony layers.\n\u003C\u002Fp>\u003Cp>This sample was actually near Dubuque, Iowa - way south of Minnesota.  Pleistocene glaciers and post-glaciation meltwater rivers transported some agates from the Lake Superior area to deposits along the Mississippi River.\n\u003C\u002Fp>\nLocality: undisclosed site attributed to the Mississippi River in western Jo Daviess County, northwestern Illinois, USA",1691,1601,{"id":121,"source_url":122,"license_code":81,"credit_html":123,"title":124,"description":125,"author":85,"original_width":126,"original_height":127},63552,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=82974887","James St. John, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=82974887\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Agate nodule (\"Lake Superior Agate\") (floor of Lake Superior, offshore Keweenaw Peninsula, Michigan USA) 1 (46894723004).jpg","\u003Cp>(~4.3 centimeters across at its widest)\n\u003C\u002Fp>\n\u003Chr>\n\u003Cp>\"Agate\" is a rockhound\u002Fcollector term for cavities in rocks (usually sedimentary rocks such as limestone or igneous rocks such as basalt) that have been partially or completely filled with irregularly concentric layers of microcrystalline, fibrous quartz (chalcedony - SiO2).  Agate is quartz.\n\u003C\u002Fp>\u003Cp>The above specimen is \"Lake Superior Agate\", which is a variety that occurs around Lake Superior in Minnesota and the Upper Peninsula of Michigan.  The agate filled large vesicles (gas bubbles) in ~1.1 billion year old basalt lava flows of Minnesota's North Shore Volcanic Series and Michigan's Portage Lake Volcanic Series.  The reddish coloration seen in this agate sample is the result of iron oxide impurities in the chalcedony layers.\n\u003C\u002Fp>\nLocality: attributed an offshore locality - the floor of Lake Superior, offshore from the western margin of northern Michigan's Keweenaw Peninsula, USA",2145,2093,{"id":129,"source_url":130,"license_code":81,"credit_html":131,"title":132,"description":133,"author":85,"original_width":134,"original_height":135},63553,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=82974889","James St. John, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=82974889\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Agate nodule (\"Lake Superior Agate\") (floor of Lake Superior, offshore Keweenaw Peninsula, Michigan USA) 2 (33741645898).jpg","\u003Cp>(~4.8 centimeters across at its widest)\n\u003C\u002Fp>\n\u003Chr>\n\u003Cp>\"Agate\" is a rockhound\u002Fcollector term for cavities in rocks (usually sedimentary rocks such as limestone or igneous rocks such as basalt) that have been partially or completely filled with irregularly concentric layers of microcrystalline, fibrous quartz (chalcedony - SiO2).  Agate is quartz.\n\u003C\u002Fp>\u003Cp>The above specimen is \"Lake Superior Agate\", which is a variety that occurs around Lake Superior in Minnesota and the Upper Peninsula of Michigan.  The agate filled large vesicles (gas bubbles) in ~1.1 billion year old basalt lava flows of Minnesota's North Shore Volcanic Series and Michigan's Portage Lake Volcanic Series.  The reddish coloration seen in this agate sample is the result of iron oxide impurities in the chalcedony layers.\n\u003C\u002Fp>\nLocality: attributed an offshore locality - the floor of Lake Superior, offshore from the western margin of northern Michigan's Keweenaw Peninsula, USA",2382,2056,{"id":137,"source_url":138,"license_code":81,"credit_html":139,"title":140,"description":141,"author":85,"original_width":142,"original_height":143},63554,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=82974890","James St. John, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=82974890\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Agate nodule (\"Lake Superior Agate\") (floor of Lake Superior, offshore Keweenaw Peninsula, Michigan USA) 3 (47566125682).jpg","\u003Cp>(~5.0 centimeters across at its widest)\n\u003C\u002Fp>\n\u003Chr>\n\u003Cp>\"Agate\" is a rockhound\u002Fcollector term for cavities in rocks (usually sedimentary rocks such as limestone or igneous rocks such as basalt) that have been partially or completely filled with irregularly concentric layers of microcrystalline, fibrous quartz (chalcedony - SiO2).  Agate is quartz.\n\u003C\u002Fp>\u003Cp>The above specimen is \"Lake Superior Agate\", which is a variety that occurs around Lake Superior in Minnesota and the Upper Peninsula of Michigan.  The agate filled large vesicles (gas bubbles) in ~1.1 billion year old basalt lava flows of Minnesota's North Shore Volcanic Series and Michigan's Portage Lake Volcanic Series.  The reddish coloration seen in this agate sample is the result of iron oxide impurities in the chalcedony layers.\n\u003C\u002Fp>\nLocality: attributed an offshore locality - the floor of Lake Superior, offshore from the western margin of northern Michigan's Keweenaw Peninsula, USA",2278,2116,{"id":145,"source_url":146,"license_code":81,"credit_html":147,"title":148,"description":141,"author":85,"original_width":149,"original_height":150},63555,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=82974891","James St. John, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=82974891\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Agate nodule (\"Lake Superior Agate\") (floor of Lake Superior, offshore Keweenaw Peninsula, Michigan USA) 4 (32676323417).jpg",2199,1987,{"id":152,"source_url":153,"license_code":81,"credit_html":154,"title":155,"description":156,"author":85,"original_width":157,"original_height":158},63556,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=82974892","James St. John, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=82974892\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Agate nodule (\"Lake Superior Agate\") (floor of Lake Superior, offshore Keweenaw Peninsula, Michigan USA) 5 (46703511625).jpg","\u003Cp>(~6.2 centimeters across at its widest)\n\u003C\u002Fp>\n\u003Chr>\n\u003Cp>\"Agate\" is a rockhound\u002Fcollector term for cavities in rocks (usually sedimentary rocks such as limestone or igneous rocks such as basalt) that have been partially or completely filled with irregularly concentric layers of microcrystalline, fibrous quartz (chalcedony - SiO2).  Agate is quartz.\n\u003C\u002Fp>\u003Cp>The above specimen is \"Lake Superior Agate\", which is a variety that occurs around Lake Superior in Minnesota and the Upper Peninsula of Michigan.  The agate filled large vesicles (gas bubbles) in ~1.1 billion year old basalt lava flows of Minnesota's North Shore Volcanic Series and Michigan's Portage Lake Volcanic Series.  The various colors seen in this agate sample are the result of iron oxide impurities in the chalcedony layers.\n\u003C\u002Fp>\nLocality: attributed an offshore locality - the floor of Lake Superior, offshore from the western margin of northern Michigan's Keweenaw Peninsula, USA",2718,2099,{"id":160,"source_url":161,"license_code":81,"credit_html":162,"title":163,"description":164,"author":85,"original_width":165,"original_height":166},63557,"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=82974893","James St. John, via \u003Ca href=\"https:\u002F\u002Fcommons.wikimedia.org\u002F?curid=82974893\" rel=\"noopener\">Wikimedia Commons\u003C\u002Fa>","Agate nodule (\"Lake Superior Agate\") (floor of Lake Superior, offshore Keweenaw Peninsula, Michigan USA) 6 (46703504835).jpg","\u003Cp>(~6.3 centimeters across at its widest)\n\u003C\u002Fp>\n\u003Chr>\n\u003Cp>\"Agate\" is a rockhound\u002Fcollector term for cavities in rocks (usually sedimentary rocks such as limestone or igneous rocks such as basalt) that have been partially or completely filled with irregularly concentric layers of microcrystalline, fibrous quartz (chalcedony - SiO2).  Agate is quartz.\n\u003C\u002Fp>\u003Cp>The above specimen is \"Lake Superior Agate\", which is a variety that occurs around Lake Superior in Minnesota and the Upper Peninsula of Michigan.  The agate filled large vesicles (gas bubbles) in ~1.1 billion year old basalt lava flows of Minnesota's North Shore Volcanic Series and Michigan's Portage Lake Volcanic Series.  The various colors seen in this agate sample are the result of iron oxide impurities in the chalcedony layers.\n\u003C\u002Fp>\nLocality: attributed an offshore locality - the floor of Lake Superior, offshore from the western margin of northern Michigan's Keweenaw Peninsula, USA",2502,1981,[],[],[],{"history":8,"applications":8}]