{"id":1660,"date":"2020-10-22T17:37:59","date_gmt":"2020-10-22T20:37:59","guid":{"rendered":"https:\/\/wp.ufpel.edu.br\/museudesolosrochaseminerais\/?page_id=1660"},"modified":"2021-02-03T13:04:38","modified_gmt":"2021-02-03T16:04:38","slug":"alabastro","status":"publish","type":"page","link":"https:\/\/wp.ufpel.edu.br\/museudesolosrochaseminerais\/alabastro\/","title":{"rendered":"Alabastro"},"content":{"rendered":"<div id=\"pl-1660\"  class=\"panel-layout\" ><div id=\"pg-1660-0\"  class=\"panel-grid panel-no-style\" ><div id=\"pgc-1660-0-0\"  class=\"panel-grid-cell\" ><div id=\"panel-1660-0-0-0\" class=\"so-panel widget widget_sow-editor panel-first-child panel-last-child\" data-index=\"0\" ><div\n\t\t\t\n\t\t\tclass=\"so-widget-sow-editor so-widget-sow-editor-base\"\n\t\t\t\n\t\t>\n<div class=\"siteorigin-widget-tinymce textwidget\">\n\t<p><span style=\"font-size: 14pt\"><strong>Defini\u00e7\u00e3o: <\/strong><span style=\"font-size: 12pt\">O Alabastro \u00e9 uma designa\u00e7\u00e3o aplicada a dois minerais distintos: gesso (sulfato de c\u00e1lcio hidratado) e calcita (um carbonato de c\u00e1lcio).\u00a0 Aten\u00e7\u00e3o, n\u00e3o confundir este \"gesso\" com o gesso em p\u00f3 ou Gesso de Paris; quando se fala aqui de alabastro de gesso, trata-se de um mineral estruturado e n\u00e3o o p\u00f3 de gesso obtido por mistura. Desta forma, \u00e9 completamente incorreto chamar alabastro a uma pe\u00e7a feita em gesso de Paris (vulgo p\u00f3 de gesso). <\/span><\/span><\/p>\n<p>Al\u00e9m disso, o alabastro de calcite, sendo um carbonato, efervesce por rea\u00e7\u00e3o com o \u00e1cido clor\u00eddrico, ao inv\u00e9s do alabastro de gesso, que praticamente n\u00e3o \u00e9 afetado por este \u00e1cido. Seu nome se deve ao fato do Alabastro oriental ser muito usado para a produ\u00e7\u00e3o de pequenos frascos de perfume e vasos de unguento (chamados de Alabastra).<\/p>\n<p>O Alabastro mais famoso do mundo \u00e9 extra\u00eddo na regi\u00e3o da Toscana, na It\u00e1lia. Quando desejam diminuir a translucidez deste Cristal (para lhe dar mais opacidade), algumas pessoas os colocam imersos em \u00c1gua e os esquentam gradualmente, at\u00e9 chegar pr\u00f3ximo ao ponto de ebuli\u00e7\u00e3o. Tamb\u00e9m existe uma varia\u00e7\u00e3o mais rara dele (vista somente em Oklahoma, na China e na It\u00e1lia) conhecida como Alabastro negro.<\/p>\n<p><span style=\"font-size: 14pt\"><strong>Cor: <\/strong><span style=\"font-size: 12pt\">\u00c9\u00a0uma variedade maci\u00e7a e transl\u00facida de gipsita (gipso), com cristais diminutos, geralmente branca, com manchas alongadas e paralelas claras. As seguintes tonalidades podem ocorrer: amarela, cinza, vermelha, marrom e alaranjada<\/span><\/span><\/p>\n<p><span style=\"font-size: 14pt\"><strong>Textura: <\/strong><span style=\"font-size: 12pt\">O alabastro de gesso \u00e9 macio, sendo riscado com a unha (dureza 1,5 a 2);<\/span><\/span><\/p>\n<p>Alabastro de calcita \u00e9 demasiado duro para ser riscado nesta maneira (dureza 3).<\/p>\n<p><span style=\"font-size: 14pt\"><strong>Aplica\u00e7\u00e3o: <\/strong><span style=\"font-size: 12pt\">Muito usada na produ\u00e7\u00e3o de objetos ornamentais.<\/span><\/span><\/p>\n<p style=\"text-align: right\"><span style=\"font-size: 10pt\">Fonte: https:\/\/pt.wikipedia.org\/wiki\/Alabastro<\/span><\/p>\n\n\t\t<style type=\"text\/css\">\n\t\t\t#gallery-1 {\n\t\t\t\tmargin: auto;\n\t\t\t}\n\t\t\t#gallery-1 .gallery-item {\n\t\t\t\tfloat: left;\n\t\t\t\tmargin-top: 10px;\n\t\t\t\ttext-align: center;\n\t\t\t\twidth: 33%;\n\t\t\t}\n\t\t\t#gallery-1 img {\n\t\t\t\tborder: 2px solid #cfcfcf;\n\t\t\t}\n\t\t\t#gallery-1 .gallery-caption {\n\t\t\t\tmargin-left: 0;\n\t\t\t}\n\t\t\t\/* see gallery_shortcode() in wp-includes\/media.php *\/\n\t\t<\/style>\n\t\t<div id='gallery-1' class='gallery galleryid-1660 gallery-columns-3 gallery-size-medium'><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/wp.ufpel.edu.br\/museudesolosrochaseminerais\/alabastro\/alabastro-5\/#main'><img loading=\"lazy\" decoding=\"async\" width=\"400\" height=\"268\" src=\"https:\/\/wp.ufpel.edu.br\/museudesolosrochaseminerais\/files\/2021\/01\/ALABASTRO-5-400x268.jpg\" class=\"attachment-medium size-medium\" alt=\"\" aria-describedby=\"gallery-1-2009\" srcset=\"https:\/\/wp.ufpel.edu.br\/museudesolosrochaseminerais\/files\/2021\/01\/ALABASTRO-5-400x268.jpg 400w, https:\/\/wp.ufpel.edu.br\/museudesolosrochaseminerais\/files\/2021\/01\/ALABASTRO-5-1024x685.jpg 1024w, https:\/\/wp.ufpel.edu.br\/museudesolosrochaseminerais\/files\/2021\/01\/ALABASTRO-5-768x514.jpg 768w, https:\/\/wp.ufpel.edu.br\/museudesolosrochaseminerais\/files\/2021\/01\/ALABASTRO-5-272x182.jpg 272w, https:\/\/wp.ufpel.edu.br\/museudesolosrochaseminerais\/files\/2021\/01\/ALABASTRO-5.jpg 1536w\" sizes=\"auto, (max-width: 400px) 100vw, 400px\" \/><\/a>\n\t\t\t<\/dt>\n\t\t\t\t<dd class='wp-caption-text gallery-caption' id='gallery-1-2009'>\n\t\t\t\tCole\u00e7\u00e3o: Turtox\n\t\t\t\t<\/dd><\/dl><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/wp.ufpel.edu.br\/museudesolosrochaseminerais\/colecaominerais\/alabastro-1\/#main'><img loading=\"lazy\" decoding=\"async\" width=\"400\" height=\"268\" src=\"https:\/\/wp.ufpel.edu.br\/museudesolosrochaseminerais\/files\/2021\/01\/ALABASTRO-1-400x268.jpg\" class=\"attachment-medium size-medium\" alt=\"\" aria-describedby=\"gallery-1-2006\" srcset=\"https:\/\/wp.ufpel.edu.br\/museudesolosrochaseminerais\/files\/2021\/01\/ALABASTRO-1-400x268.jpg 400w, https:\/\/wp.ufpel.edu.br\/museudesolosrochaseminerais\/files\/2021\/01\/ALABASTRO-1-1024x685.jpg 1024w, https:\/\/wp.ufpel.edu.br\/museudesolosrochaseminerais\/files\/2021\/01\/ALABASTRO-1-768x514.jpg 768w, https:\/\/wp.ufpel.edu.br\/museudesolosrochaseminerais\/files\/2021\/01\/ALABASTRO-1-272x182.jpg 272w, https:\/\/wp.ufpel.edu.br\/museudesolosrochaseminerais\/files\/2021\/01\/ALABASTRO-1.jpg 1536w\" sizes=\"auto, (max-width: 400px) 100vw, 400px\" \/><\/a>\n\t\t\t<\/dt>\n\t\t\t\t<dd class='wp-caption-text gallery-caption' id='gallery-1-2006'>\n\t\t\t\tCole\u00e7\u00e3o: Turtox\n\t\t\t\t<\/dd><\/dl><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/wp.ufpel.edu.br\/museudesolosrochaseminerais\/alabastro\/alabastro-3\/#main'><img loading=\"lazy\" decoding=\"async\" width=\"400\" height=\"268\" src=\"https:\/\/wp.ufpel.edu.br\/museudesolosrochaseminerais\/files\/2021\/01\/ALABASTRO-3-400x268.jpg\" class=\"attachment-medium size-medium\" alt=\"\" aria-describedby=\"gallery-1-2011\" srcset=\"https:\/\/wp.ufpel.edu.br\/museudesolosrochaseminerais\/files\/2021\/01\/ALABASTRO-3-400x268.jpg 400w, https:\/\/wp.ufpel.edu.br\/museudesolosrochaseminerais\/files\/2021\/01\/ALABASTRO-3-1024x685.jpg 1024w, https:\/\/wp.ufpel.edu.br\/museudesolosrochaseminerais\/files\/2021\/01\/ALABASTRO-3-768x514.jpg 768w, https:\/\/wp.ufpel.edu.br\/museudesolosrochaseminerais\/files\/2021\/01\/ALABASTRO-3-272x182.jpg 272w, https:\/\/wp.ufpel.edu.br\/museudesolosrochaseminerais\/files\/2021\/01\/ALABASTRO-3.jpg 1536w\" sizes=\"auto, (max-width: 400px) 100vw, 400px\" \/><\/a>\n\t\t\t<\/dt>\n\t\t\t\t<dd class='wp-caption-text gallery-caption' id='gallery-1-2011'>\n\t\t\t\tCole\u00e7\u00e3o: Turtox\n\t\t\t\t<\/dd><\/dl><br style=\"clear: both\" \/><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/wp.ufpel.edu.br\/museudesolosrochaseminerais\/alabastro\/alabastro-2\/#main'><img loading=\"lazy\" decoding=\"async\" width=\"400\" height=\"268\" src=\"https:\/\/wp.ufpel.edu.br\/museudesolosrochaseminerais\/files\/2021\/01\/ALABASTRO-2-400x268.jpg\" class=\"attachment-medium size-medium\" alt=\"\" aria-describedby=\"gallery-1-2010\" srcset=\"https:\/\/wp.ufpel.edu.br\/museudesolosrochaseminerais\/files\/2021\/01\/ALABASTRO-2-400x268.jpg 400w, https:\/\/wp.ufpel.edu.br\/museudesolosrochaseminerais\/files\/2021\/01\/ALABASTRO-2-1024x685.jpg 1024w, https:\/\/wp.ufpel.edu.br\/museudesolosrochaseminerais\/files\/2021\/01\/ALABASTRO-2-768x514.jpg 768w, https:\/\/wp.ufpel.edu.br\/museudesolosrochaseminerais\/files\/2021\/01\/ALABASTRO-2-272x182.jpg 272w, https:\/\/wp.ufpel.edu.br\/museudesolosrochaseminerais\/files\/2021\/01\/ALABASTRO-2.jpg 1536w\" sizes=\"auto, (max-width: 400px) 100vw, 400px\" \/><\/a>\n\t\t\t<\/dt>\n\t\t\t\t<dd class='wp-caption-text gallery-caption' id='gallery-1-2010'>\n\t\t\t\tCole\u00e7\u00e3o: Turtox\n\t\t\t\t<\/dd><\/dl>\n\t\t\t<br style='clear: both' \/>\n\t\t<\/div>\n\n<p>&nbsp;<\/p>\n<p style=\"text-align: center\"><a href=\"https:\/\/wp.ufpel.edu.br\/museudesolosrochaseminerais\/colecaominerais\/\"><strong>Voltar<\/strong><\/a><\/p>\n<\/div>\n<\/div><\/div><\/div><\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>Defini\u00e7\u00e3o: O Alabastro \u00e9 uma designa\u00e7\u00e3o aplicada a dois minerais distintos: gesso (sulfato de c\u00e1lcio hidratado) e calcita (um carbonato de c\u00e1lcio).\u00a0 Aten\u00e7\u00e3o, n\u00e3o confundir este &#8220;gesso&#8221; com o gesso em p\u00f3 ou Gesso de Paris; quando se fala aqui de alabastro de gesso, trata-se de um mineral estruturado e n\u00e3o o p\u00f3 de gesso [&hellip;]<\/p>\n","protected":false},"author":1048,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-1660","page","type-page","status-publish","hentry","post"],"_links":{"self":[{"href":"https:\/\/wp.ufpel.edu.br\/museudesolosrochaseminerais\/wp-json\/wp\/v2\/pages\/1660","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wp.ufpel.edu.br\/museudesolosrochaseminerais\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/wp.ufpel.edu.br\/museudesolosrochaseminerais\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/wp.ufpel.edu.br\/museudesolosrochaseminerais\/wp-json\/wp\/v2\/users\/1048"}],"replies":[{"embeddable":true,"href":"https:\/\/wp.ufpel.edu.br\/museudesolosrochaseminerais\/wp-json\/wp\/v2\/comments?post=1660"}],"version-history":[{"count":5,"href":"https:\/\/wp.ufpel.edu.br\/museudesolosrochaseminerais\/wp-json\/wp\/v2\/pages\/1660\/revisions"}],"predecessor-version":[{"id":1669,"href":"https:\/\/wp.ufpel.edu.br\/museudesolosrochaseminerais\/wp-json\/wp\/v2\/pages\/1660\/revisions\/1669"}],"wp:attachment":[{"href":"https:\/\/wp.ufpel.edu.br\/museudesolosrochaseminerais\/wp-json\/wp\/v2\/media?parent=1660"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}