{"id":4639,"date":"2024-01-18T09:00:00","date_gmt":"2024-01-18T08:00:00","guid":{"rendered":"https:\/\/lacartebuissonniere.fr\/?p=4639"},"modified":"2023-12-20T20:27:36","modified_gmt":"2023-12-20T19:27:36","slug":"sous-le-signe-du-mercure","status":"publish","type":"post","link":"https:\/\/lacartebuissonniere.fr\/index.php\/2024\/01\/18\/sous-le-signe-du-mercure\/","title":{"rendered":"Sous le signe du mercure"},"content":{"rendered":"\n<p><\/p>\n\n\n\n<p>Dans le calendrier r\u00e9publicain fran\u00e7ais, le 29<sup>e<\/sup>\u00a0jour du mois de niv\u00f4se, souvent notre 18 janvier, \u00e9tait d\u00e9nomm\u00e9 jour du mercure.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"874\" height=\"580\" src=\"https:\/\/lacartebuissonniere.fr\/wp-content\/uploads\/2023\/12\/0DEC3B91-FAEB-473C-AC9C-2E14BC84223D_1_201_a.jpeg\" alt=\"\" class=\"wp-image-4640\" srcset=\"https:\/\/lacartebuissonniere.fr\/wp-content\/uploads\/2023\/12\/0DEC3B91-FAEB-473C-AC9C-2E14BC84223D_1_201_a.jpeg 874w, https:\/\/lacartebuissonniere.fr\/wp-content\/uploads\/2023\/12\/0DEC3B91-FAEB-473C-AC9C-2E14BC84223D_1_201_a-300x199.jpeg 300w, https:\/\/lacartebuissonniere.fr\/wp-content\/uploads\/2023\/12\/0DEC3B91-FAEB-473C-AC9C-2E14BC84223D_1_201_a-768x510.jpeg 768w, https:\/\/lacartebuissonniere.fr\/wp-content\/uploads\/2023\/12\/0DEC3B91-FAEB-473C-AC9C-2E14BC84223D_1_201_a-600x398.jpeg 600w\" sizes=\"auto, (max-width: 874px) 100vw, 874px\" \/><\/figure>\n<\/div>\n\n\n<p><\/p>\n\n\n\n<p>Argent\u00e9 et brillant, le mercure est le seul m\u00e9tal liquide \u00e0 temp\u00e9rature ambiante.<\/p>\n\n\n\n<p>Son symbole, Hg, est d\u00e9riv\u00e9 du grec \u1f51\u03b4\u03c1\u03ac\u03c1\u03b3\u03c5\u03c1\u03bf\u03c2 (<em>hydrargyros<\/em>, litt\u00e9ralement \u00ab&nbsp;argent liquide&nbsp;\u00bb).<\/p>\n\n\n\n<p>On l&rsquo;a appel\u00e9 vif-argent jusqu&rsquo;au d\u00e9but du XIX<sup>e<\/sup> si\u00e8cle.<\/p>\n\n\n\n<p>Ce liquide dense plac\u00e9 dans un appareil en verre a permis la conception des premiers barom\u00e8tres, manom\u00e8tres et autres thermom\u00e8tres, des pompes \u00e0 vide ainsi que de nombreux appareils de physique.<\/p>\n\n\n\n<p>Sa haute toxicit\u00e9 a ensuite fait interdire le thermom\u00e8tre \u00e0 mercure ou le mercurochrome, autrefois usuels.<\/p>\n\n\n\n<p>On retrouve n\u00e9anmoins ce m\u00e9tal dans certaines piles, dans les lampes fluorescentes ou dans les amalgames dentaires. Eh oui, les plombages portent bien mal leur nom&nbsp;!<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Rouge &amp; argent<\/h2>\n\n\n\n<p>Dans la nature, on rencontre surtout le mercure sous forme de cinabre, un minerai de sulfure de mercure (HgS).<\/p>\n\n\n\n<p>Sur cette photo, on voit une bille de mercure natif sur du cinabre\u00a0:<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"680\" src=\"https:\/\/lacartebuissonniere.fr\/wp-content\/uploads\/2023\/12\/8AD03508-3189-40C4-AFE5-0FD96591107B.jpeg\" alt=\"\" class=\"wp-image-4641\" srcset=\"https:\/\/lacartebuissonniere.fr\/wp-content\/uploads\/2023\/12\/8AD03508-3189-40C4-AFE5-0FD96591107B.jpeg 1024w, https:\/\/lacartebuissonniere.fr\/wp-content\/uploads\/2023\/12\/8AD03508-3189-40C4-AFE5-0FD96591107B-300x199.jpeg 300w, https:\/\/lacartebuissonniere.fr\/wp-content\/uploads\/2023\/12\/8AD03508-3189-40C4-AFE5-0FD96591107B-768x510.jpeg 768w, https:\/\/lacartebuissonniere.fr\/wp-content\/uploads\/2023\/12\/8AD03508-3189-40C4-AFE5-0FD96591107B-600x398.jpeg 600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n\n\n<p><\/p>\n\n\n\n<p>On en tire une poudre de couleur rouge vif utilis\u00e9e tr\u00e8s t\u00f4t en Gr\u00e8ce, en \u00c9gypte, en Inde et en Chine.<\/p>\n\n\n\n<p>Il compose \u00e9galement le fond des fresques de la Villa des Myst\u00e8res \u00e0 Pomp\u00e9i\u00a0:<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"996\" height=\"1024\" src=\"https:\/\/lacartebuissonniere.fr\/wp-content\/uploads\/2023\/12\/B0656B5D-CFDD-4D8C-8D8A-B2923C69CBB1-996x1024.jpeg\" alt=\"\" class=\"wp-image-4642\" srcset=\"https:\/\/lacartebuissonniere.fr\/wp-content\/uploads\/2023\/12\/B0656B5D-CFDD-4D8C-8D8A-B2923C69CBB1-996x1024.jpeg 996w, https:\/\/lacartebuissonniere.fr\/wp-content\/uploads\/2023\/12\/B0656B5D-CFDD-4D8C-8D8A-B2923C69CBB1-292x300.jpeg 292w, https:\/\/lacartebuissonniere.fr\/wp-content\/uploads\/2023\/12\/B0656B5D-CFDD-4D8C-8D8A-B2923C69CBB1-768x790.jpeg 768w, https:\/\/lacartebuissonniere.fr\/wp-content\/uploads\/2023\/12\/B0656B5D-CFDD-4D8C-8D8A-B2923C69CBB1-583x600.jpeg 583w, https:\/\/lacartebuissonniere.fr\/wp-content\/uploads\/2023\/12\/B0656B5D-CFDD-4D8C-8D8A-B2923C69CBB1.jpeg 1024w\" sizes=\"auto, (max-width: 996px) 100vw, 996px\" \/><figcaption class=\"wp-element-caption\">\u00a9 <a href=\"https:\/\/commons.wikimedia.org\/wiki\/File:Villa_of_the_Mysteries_(Pompeii)_-_frescos_02.jpg\">user:shakko<\/a>, <a href=\"https:\/\/creativecommons.org\/licenses\/by-sa\/4.0\">CC BY-SA 4.0<\/a>, via Wikimedia Commons<\/figcaption><\/figure>\n<\/div>\n\n\n<p><\/p>\n\n\n\n<p>C\u2019est le s\u00e9duisant contraste du rouge et de l\u2019argent que j\u2019ai mis en sc\u00e8ne pour une carte buissonni\u00e8re\u00a0: fond cinabre, billes de mercure et feuilles de ginkgo argent\u00e9es.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"1024\" src=\"https:\/\/lacartebuissonniere.fr\/wp-content\/uploads\/2023\/12\/FDC37807-DF2C-42B3-BCBC-3A081AE74849_1_105_c.jpeg\" alt=\"\" class=\"wp-image-4643\" srcset=\"https:\/\/lacartebuissonniere.fr\/wp-content\/uploads\/2023\/12\/FDC37807-DF2C-42B3-BCBC-3A081AE74849_1_105_c.jpeg 768w, https:\/\/lacartebuissonniere.fr\/wp-content\/uploads\/2023\/12\/FDC37807-DF2C-42B3-BCBC-3A081AE74849_1_105_c-225x300.jpeg 225w, https:\/\/lacartebuissonniere.fr\/wp-content\/uploads\/2023\/12\/FDC37807-DF2C-42B3-BCBC-3A081AE74849_1_105_c-450x600.jpeg 450w\" sizes=\"auto, (max-width: 768px) 100vw, 768px\" \/><\/figure>\n<\/div>\n\n\n<p><\/p>\n\n\n\n<p>Sources&nbsp;:<\/p>\n\n\n\n<p><a href=\"https:\/\/www.futura-sciences.com\/sciences\/dossiers\/matiere-tout-savoir-mercure-698\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u00ab\u00a0Tout savoir sur le mercure\u00a0\u00bb<\/a><\/p>\n\n\n\n<p>\u00ab\u00a0<a href=\"https:\/\/fr.wikipedia.org\/wiki\/Mercure_(chimie)\" target=\"_blank\" rel=\"noreferrer noopener\">Mercure (chimie)\u00a0\u00bb<\/a> \u2013 fiche Wikip\u00e9dia<\/p>\n\n\n\n<p><a href=\"https:\/\/fr.wikipedia.org\/wiki\/Mercure_natif\" target=\"_blank\" rel=\"noreferrer noopener\">\u00ab\u00a0Mercure natif\u00a0\u00bb<\/a> \u2013 fiche Wikip\u00e9dia<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Dans le calendrier r\u00e9publicain fran\u00e7ais, le 29e\u00a0jour du mois de niv\u00f4se, souvent notre 18 janvier, \u00e9tait d\u00e9nomm\u00e9 jour du mercure. Argent\u00e9 et brillant, le mercure est le seul m\u00e9tal liquide \u00e0 temp\u00e9rature ambiante. Son symbole, Hg, est d\u00e9riv\u00e9 du grec \u1f51\u03b4\u03c1\u03ac\u03c1\u03b3\u03c5\u03c1\u03bf\u03c2 (hydrargyros, litt\u00e9ralement \u00ab&nbsp;argent liquide&nbsp;\u00bb). On l&rsquo;a appel\u00e9 vif-argent jusqu&rsquo;au d\u00e9but du XIXe si\u00e8cle. Ce [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"ocean_post_layout":"","ocean_both_sidebars_style":"","ocean_both_sidebars_content_width":0,"ocean_both_sidebars_sidebars_width":0,"ocean_sidebar":"0","ocean_second_sidebar":"0","ocean_disable_margins":"enable","ocean_add_body_class":"","ocean_shortcode_before_top_bar":"","ocean_shortcode_after_top_bar":"","ocean_shortcode_before_header":"","ocean_shortcode_after_header":"","ocean_has_shortcode":"","ocean_shortcode_after_title":"","ocean_shortcode_before_footer_widgets":"","ocean_shortcode_after_footer_widgets":"","ocean_shortcode_before_footer_bottom":"","ocean_shortcode_after_footer_bottom":"","ocean_display_top_bar":"default","ocean_display_header":"default","ocean_header_style":"","ocean_center_header_left_menu":"0","ocean_custom_header_template":"0","ocean_custom_logo":0,"ocean_custom_retina_logo":0,"ocean_custom_logo_max_width":0,"ocean_custom_logo_tablet_max_width":0,"ocean_custom_logo_mobile_max_width":0,"ocean_custom_logo_max_height":0,"ocean_custom_logo_tablet_max_height":0,"ocean_custom_logo_mobile_max_height":0,"ocean_header_custom_menu":"0","ocean_menu_typo_font_family":"0","ocean_menu_typo_font_subset":"","ocean_menu_typo_font_size":0,"ocean_menu_typo_font_size_tablet":0,"ocean_menu_typo_font_size_mobile":0,"ocean_menu_typo_font_size_unit":"px","ocean_menu_typo_font_weight":"","ocean_menu_typo_font_weight_tablet":"","ocean_menu_typo_font_weight_mobile":"","ocean_menu_typo_transform":"","ocean_menu_typo_transform_tablet":"","ocean_menu_typo_transform_mobile":"","ocean_menu_typo_line_height":0,"ocean_menu_typo_line_height_tablet":0,"ocean_menu_typo_line_height_mobile":0,"ocean_menu_typo_line_height_unit":"","ocean_menu_typo_spacing":0,"ocean_menu_typo_spacing_tablet":0,"ocean_menu_typo_spacing_mobile":0,"ocean_menu_typo_spacing_unit":"","ocean_menu_link_color":"","ocean_menu_link_color_hover":"","ocean_menu_link_color_active":"","ocean_menu_link_background":"","ocean_menu_link_hover_background":"","ocean_menu_link_active_background":"","ocean_menu_social_links_bg":"","ocean_menu_social_hover_links_bg":"","ocean_menu_social_links_color":"","ocean_menu_social_hover_links_color":"","ocean_disable_title":"default","ocean_disable_heading":"default","ocean_post_title":"","ocean_post_subheading":"","ocean_post_title_style":"","ocean_post_title_background_color":"","ocean_post_title_background":0,"ocean_post_title_bg_image_position":"","ocean_post_title_bg_image_attachment":"","ocean_post_title_bg_image_repeat":"","ocean_post_title_bg_image_size":"","ocean_post_title_height":0,"ocean_post_title_bg_overlay":0.5,"ocean_post_title_bg_overlay_color":"","ocean_disable_breadcrumbs":"default","ocean_breadcrumbs_color":"","ocean_breadcrumbs_separator_color":"","ocean_breadcrumbs_links_color":"","ocean_breadcrumbs_links_hover_color":"","ocean_display_footer_widgets":"default","ocean_display_footer_bottom":"default","ocean_custom_footer_template":"0","two_page_speed":[],"ocean_post_oembed":"","ocean_post_self_hosted_media":"","ocean_post_video_embed":"","ocean_link_format":"","ocean_link_format_target":"self","ocean_quote_format":"","ocean_quote_format_link":"post","ocean_gallery_link_images":"off","ocean_gallery_id":[],"footnotes":""},"categories":[13],"tags":[],"class_list":["post-4639","post","type-post","status-publish","format-standard","hentry","category-infos","entry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Sous le signe du mercure - La carte buissonni\u00e8re<\/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:\/\/lacartebuissonniere.fr\/index.php\/2024\/01\/18\/sous-le-signe-du-mercure\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Sous le signe du mercure - La carte buissonni\u00e8re\" \/>\n<meta property=\"og:description\" content=\"Dans le calendrier r\u00e9publicain fran\u00e7ais, le 29e\u00a0jour du mois de niv\u00f4se, souvent notre 18 janvier, \u00e9tait d\u00e9nomm\u00e9 jour du mercure. Argent\u00e9 et brillant, le mercure est le seul m\u00e9tal liquide \u00e0 temp\u00e9rature ambiante. Son symbole, Hg, est d\u00e9riv\u00e9 du grec \u1f51\u03b4\u03c1\u03ac\u03c1\u03b3\u03c5\u03c1\u03bf\u03c2 (hydrargyros, litt\u00e9ralement \u00ab&nbsp;argent liquide&nbsp;\u00bb). On l&rsquo;a appel\u00e9 vif-argent jusqu&rsquo;au d\u00e9but du XIXe si\u00e8cle. 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