{"id":695,"date":"2025-04-08T12:28:34","date_gmt":"2025-04-08T15:28:34","guid":{"rendered":"https:\/\/laboratorios.ufrrj.br\/mineraiserochas\/?p=695"},"modified":"2025-05-22T17:08:20","modified_gmt":"2025-05-22T20:08:20","slug":"bornita","status":"publish","type":"post","link":"https:\/\/laboratorios.ufrrj.br\/mineraiserochas\/bornita\/","title":{"rendered":"Bornita"},"content":{"rendered":"\n<p>Composi\u00e7\u00e3o Qu\u00edmica: Cu<sub>5<\/sub>FeS<sub>4<\/sub>&nbsp;<\/p>\n\n\n\n<p>Sistema: C\u00fabico<\/p>\n\n\n\n<p>H\u00e1bito: C\u00fabico, maci\u00e7o, granular<\/p>\n\n\n\n<p>Cor: marrom a vermelho bronzeado, adquire manchas iridescente quando exposto ao ar, tornando-se cinza escuro a negro<\/p>\n\n\n\n<p>Brilho:&nbsp; Lustroso a met\u00e1lico<\/p>\n\n\n\n<p>Dureza (Mohs): 3<\/p>\n\n\n\n<p>Densidade relativa:&nbsp;4,9-5,3<\/p>\n\n\n\n<p>Clivagem: Fraca {111}<\/p>\n\n\n\n<p>Fratura: Subconchoidal<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><a href=\"https:\/\/laboratorios.ufrrj.br\/mineraiserochas\/wp-content\/uploads\/sites\/2\/2015\/01\/bornitapirita-22.jpg\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/laboratorios.ufrrj.br\/mineraiserochas\/wp-content\/uploads\/sites\/2\/2015\/01\/bornitapirita-22-1024x768.jpg\" alt=\"\" class=\"wp-image-201\" width=\"285\" height=\"214\" srcset=\"https:\/\/laboratorios.ufrrj.br\/mineraiserochas\/wp-content\/uploads\/sites\/2\/2015\/01\/bornitapirita-22-1024x768.jpg 1024w, https:\/\/laboratorios.ufrrj.br\/mineraiserochas\/wp-content\/uploads\/sites\/2\/2015\/01\/bornitapirita-22-300x224.jpg 300w\" sizes=\"auto, (max-width: 285px) 100vw, 285px\" \/><\/a><figcaption class=\"wp-element-caption\">Bornita e pirita. Cole\u00e7\u00e3o Simon Bumistrov. UFRRJ<\/figcaption><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>Composi\u00e7\u00e3o Qu\u00edmica: Cu5FeS4&nbsp; Sistema: C\u00fabico H\u00e1bito: C\u00fabico, maci\u00e7o, granular Cor: marrom a vermelho bronzeado, adquire manchas iridescente quando exposto ao ar, tornando-se [&hellip;]<\/p>\n","protected":false},"author":9,"featured_media":201,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[34],"tags":[],"class_list":["post-695","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-sulfetos"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Bornita - Museu de Rochas e Minerais<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/laboratorios.ufrrj.br\/mineraiserochas\/bornita\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Bornita - Museu de Rochas e Minerais\" \/>\n<meta property=\"og:description\" content=\"Composi\u00e7\u00e3o Qu\u00edmica: Cu5FeS4&nbsp; 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