{"id":345,"date":"2021-01-28T10:56:29","date_gmt":"2021-01-28T10:56:29","guid":{"rendered":"http:\/\/http:\/\/geomuseu.upc.edu\/\/?p=345"},"modified":"2021-07-15T08:25:01","modified_gmt":"2021-07-15T08:25:01","slug":"el-diamant-i-les-seves-utilitats","status":"publish","type":"post","link":"https:\/\/geomuseu.upc.edu\/index.php\/el-diamant-i-les-seves-utilitats\/","title":{"rendered":"El diamant i les seves utilitats"},"content":{"rendered":"\n<p>El mineral m\u00e9s dur que es coneix a la natura s&#8217;ha utilitzat, des de fa molts anys, com a pedra preciosa en joieria i cada cop t\u00e9 m\u00e9s aplicacions en el camp de la ind\u00fastria (serrar, polir, foradar roques, formig\u00f3 i materials petris) i en la medicina (petites eines per a odontologia, cirurgia,&#8230;), sobretot a partir de la fabricaci\u00f3 del diamant sint\u00e8tic amb caracter\u00edstiques id\u00e8ntiques al natural.<br>En l&#8217;expositor s&#8217;hi poden veure diferents eines industrials amb diamant sint\u00e8tic, i dues mostres de Circonita i Moissanita (materials sint\u00e8tics imitadors del diamant) en talla brillant, acompanyades d&#8217;una mostra de diamant natural en brut sobre la roca mare que \u00e9s la Kimberlita.<\/p>\n\n\n\n<p>La inadequada comercialitzaci\u00f3 del diamant contribueix a la financiaci\u00f3 de guerres, sobretot en nacions de l&#8217;\u00c0frica.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img decoding=\"async\" width=\"800\" height=\"465\" data-src=\"https:\/\/geomuseu.upc.edu\/wp-content\/uploads\/2021\/06\/vitrina8.jpg\" alt=\"\" class=\"wp-image-1367 lazyload\" data-srcset=\"https:\/\/geomuseu.upc.edu\/wp-content\/uploads\/2021\/06\/vitrina8.jpg 800w, https:\/\/geomuseu.upc.edu\/wp-content\/uploads\/2021\/06\/vitrina8-300x174.jpg 300w, https:\/\/geomuseu.upc.edu\/wp-content\/uploads\/2021\/06\/vitrina8-768x446.jpg 768w\" data-sizes=\"(max-width: 800px) 100vw, 800px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 800px; --smush-placeholder-aspect-ratio: 800\/465;\" \/><\/figure><\/div>\n","protected":false},"excerpt":{"rendered":"<p>El mineral m\u00e9s dur que es coneix a la natura s&#8217;ha utilitzat, des de fa&#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[12],"tags":[],"class_list":["post-345","post","type-post","status-publish","format-standard","hentry","category-vitrines"],"_links":{"self":[{"href":"https:\/\/geomuseu.upc.edu\/index.php\/wp-json\/wp\/v2\/posts\/345","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/geomuseu.upc.edu\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/geomuseu.upc.edu\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/geomuseu.upc.edu\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/geomuseu.upc.edu\/index.php\/wp-json\/wp\/v2\/comments?post=345"}],"version-history":[{"count":2,"href":"https:\/\/geomuseu.upc.edu\/index.php\/wp-json\/wp\/v2\/posts\/345\/revisions"}],"predecessor-version":[{"id":1717,"href":"https:\/\/geomuseu.upc.edu\/index.php\/wp-json\/wp\/v2\/posts\/345\/revisions\/1717"}],"wp:attachment":[{"href":"https:\/\/geomuseu.upc.edu\/index.php\/wp-json\/wp\/v2\/media?parent=345"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/geomuseu.upc.edu\/index.php\/wp-json\/wp\/v2\/categories?post=345"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/geomuseu.upc.edu\/index.php\/wp-json\/wp\/v2\/tags?post=345"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}