{"id":19312,"date":"2023-04-03T10:56:02","date_gmt":"2023-04-03T08:56:02","guid":{"rendered":"https:\/\/ssef.ch\/?p=19312"},"modified":"2023-09-21T17:21:00","modified_gmt":"2023-09-21T15:21:00","slug":"couleurs-du-rubis","status":"publish","type":"post","link":"https:\/\/www.ssef.ch\/fr\/couleurs-du-rubis\/","title":{"rendered":"Couleurs du rubis"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"19312\" class=\"elementor elementor-19312\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-5de6727 elementor-section-boxed elementor-section-height-default elementor-section-height-default qodef-backgound-letter-holder-no qodef-elementor-content-no\" data-id=\"5de6727\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-4cb3c62\" data-id=\"4cb3c62\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-329c1da elementor-widget elementor-widget-image\" data-id=\"329c1da\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"1000\" height=\"417\" src=\"https:\/\/www.ssef.ch\/wp-content\/uploads\/2023\/06\/couleurs-de-rubis-jpeg.webp\" class=\"attachment-large size-large wp-image-26121\" alt=\"\" srcset=\"https:\/\/www.ssef.ch\/wp-content\/uploads\/2023\/06\/couleurs-de-rubis-jpeg.webp 1000w, https:\/\/www.ssef.ch\/wp-content\/uploads\/2023\/06\/couleurs-de-rubis-300x125.webp 300w, https:\/\/www.ssef.ch\/wp-content\/uploads\/2023\/06\/couleurs-de-rubis-768x320.webp 768w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5b113fd elementor-widget elementor-widget-text-editor\" data-id=\"5b113fd\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2>Rubis et saphir rose<\/h2><p>Le corindon color\u00e9 par des traces de chrome peut pr\u00e9senter des degr\u00e9s divers de saturation de rouge, du rouge fonc\u00e9 au rouge clair (p. ex. rose) en passant par le rouge vif. La profession classifie g\u00e9n\u00e9ralement ces pierres en deux vari\u00e9t\u00e9s : le rubis et le saphir rose. La limite entre ces deux vari\u00e9t\u00e9s n\u2019a jamais \u00e9t\u00e9 bien d\u00e9finie \u00e0 l\u2019\u00e9chelle internationale bien que cela rev\u00eate une importance majeure pour le commerce des pierres pr\u00e9cieuses car la diff\u00e9rence de prix est g\u00e9n\u00e9ralement grande entre ces deux vari\u00e9t\u00e9s.<\/p><p>Il pourrait para\u00eetre \u00e9vident de fixer une concentration de chrome comme seuil pour classifier ces pierres dans la cat\u00e9gorie \u2018rubis\u2019 ou \u2018saphir rose\u2019. Toutefois, cette hypoth\u00e8se n\u2019est pas applicable dans la r\u00e9alit\u00e9. En effet, ces analyses chimiques (g\u00e9n\u00e9ralement mesur\u00e9es sur la facette de la table) risquent d\u2019\u00eatre fortement influenc\u00e9es par le zonage chimique, les effets du style de taille et des proportions, et de donner lieu ainsi \u00e0 des incoh\u00e9rences si cette approche r\u00e9ductrice est appliqu\u00e9e, sans parler des diff\u00e9rences importantes en termes de mesures de la concentration de chrome s\u2019expliquant par les configurations analytiques diff\u00e9rentes utilis\u00e9es par les diff\u00e9rents laboratoires.<\/p><p>Une meilleure approche consiste \u00e0 distinguer les rubis des saphirs uniquement sur la base de la couleur par comparaison visuelle avec des nuanciers ou des pierres \u00e9talons. Ces master sets permettent une caract\u00e9risation plus pr\u00e9cise de la couleur car ces pierres \u00e9talons pr\u00e9sentent des formes de reflet et des effets de couleur pl\u00e9ochro\u00efques qui sont \u00e9galement observ\u00e9s sur les rubis ou saphirs roses analys\u00e9s en laboratoire. Une autre option consiste \u00e0 utiliser des nuanciers sur plaque m\u00e9tallique (p. ex. Color Codex\u2122) qui, dans une certaine mesure, imitent les effets de reflet des facettes d\u2019une pierre taill\u00e9e.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-916145d elementor-widget elementor-widget-image\" data-id=\"916145d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"1000\" height=\"1000\" src=\"https:\/\/www.ssef.ch\/wp-content\/uploads\/2023\/06\/gamme-couleurs-corindon-jpeg.webp\" class=\"attachment-large size-large wp-image-26216\" alt=\"\" srcset=\"https:\/\/www.ssef.ch\/wp-content\/uploads\/2023\/06\/gamme-couleurs-corindon-jpeg.webp 1000w, https:\/\/www.ssef.ch\/wp-content\/uploads\/2023\/06\/gamme-couleurs-corindon-300x300.webp 300w, https:\/\/www.ssef.ch\/wp-content\/uploads\/2023\/06\/gamme-couleurs-corindon-150x150.webp 150w, https:\/\/www.ssef.ch\/wp-content\/uploads\/2023\/06\/gamme-couleurs-corindon-768x768.webp 768w, https:\/\/www.ssef.ch\/wp-content\/uploads\/2023\/06\/gamme-couleurs-corindon-650x650.webp 650w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Gamme de couleurs de corindon riche en chrome du rubis (rouge) au saphir rose et violet. Photo : SSEF.<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5127067 elementor-widget elementor-widget-image\" data-id=\"5127067\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"1000\" height=\"574\" src=\"https:\/\/www.ssef.ch\/wp-content\/uploads\/2023\/06\/pierres-etalons-jpeg.webp\" class=\"attachment-large size-large wp-image-26366\" alt=\"\" srcset=\"https:\/\/www.ssef.ch\/wp-content\/uploads\/2023\/06\/pierres-etalons-jpeg.webp 1000w, https:\/\/www.ssef.ch\/wp-content\/uploads\/2023\/06\/pierres-etalons-300x172.webp 300w, https:\/\/www.ssef.ch\/wp-content\/uploads\/2023\/06\/pierres-etalons-768x441.webp 768w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Jeu de pierres \u00e9talons (des rubis synth\u00e9tiques aux saphirs roses) regroup\u00e9es dans les ann\u00e9es 1980 par ICA. Photo : SSEF.<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-bfc6b23 elementor-widget elementor-widget-spacer\" data-id=\"bfc6b23\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-503b4f3 elementor-widget elementor-widget-text-editor\" data-id=\"503b4f3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2>Rouge sang de pigeon<\/h2><p>Le terme \u00ab rouge sang de pigeon \u00bb est utilis\u00e9 depuis des si\u00e8cles dans la profession pour d\u00e9crire exclusivement les rubis de la plus grande qualit\u00e9 qui, en dehors de leur couleur caract\u00e9ristique, sont des pierres de qualit\u00e9 sup\u00e9rieure et comptent d\u00e8s lors parmi les pierres pr\u00e9cieuses les plus convoit\u00e9es.<\/p><p>En l\u2019absence de norme internationale, l\u2019utilisation de ce terme dans les rapports de laboratoire a tendance \u00e0 \u00eatre non seulement exag\u00e9r\u00e9e mais est souvent ambigu\u00eb. Cette tendance contredit la connotation historique du terme. Le SSEF a publi\u00e9 pour la premi\u00e8re fois en 2015 sa norme pour cette couleur qui allait servir de base de travail dans la profession.<\/p><h3>1- Crit\u00e8res de couleur du SSEF :<\/h3><p>Pour qu\u2019un rubis soit qualifi\u00e9 de rubis \u00ab rouge sang de pigeon \u00bb, la couleur doit \u00eatre rouge intense, satur\u00e9e et homog\u00e8ne. Les gammes exactes de teinte, de saturation et de ton sont d\u00e9finies par des ensembles de pierres \u00e9talons.<\/p><p>Le \u00ab rouge sang de pigeon \u00bb est mieux d\u00e9crit comme une couleur rouge sans autre teinte apparente (comme le bleu ou le brun). Un l\u00e9ger voile violac\u00e9 est acceptable. La couleur . La couleur intrins\u00e8que du rubis \u00ab rouge sang de pigeon \u00bb produit \u00e9galement une forte fluorescence rouge lorsque la pierre est expos\u00e9e \u00e0 la lumi\u00e8re ultraviolette. Cette fluorescence est caus\u00e9e par une teneur en chrome \u00e9lev\u00e9e associ\u00e9e \u00e0 une faible teneur en fer et donne l\u2019\u00ab \u00e9clat int\u00e9rieur \u00bb caract\u00e9ristique tant convoit\u00e9 par les amateurs de rubis.<\/p><p>Historiquement, le terme \u00ab rouge sang de pigeon \u00bb a \u00e9t\u00e9 introduit pour les rubis qui se sont form\u00e9s dans le marbre du Mogok Stone Tract \u00e0 Myanmar (Birmanie) et qui se caract\u00e9risent par une tr\u00e8s faible concentration en fer. Avec la d\u00e9couverte de nouveaux gisements de rubis en Birmanie (comme \u00e0 Mong Hsu) et dans d\u2019autres pays, ce terme n\u2019est plus limit\u00e9 aux rubis de la r\u00e9gion de Mogok. Toutefois, la plupart des rubis provenant de pays autres que la Birmanie contiennent des concentrations en fer plus \u00e9lev\u00e9es et par cons\u00e9quent ne r\u00e9pondent pas aux crit\u00e8res.<\/p><h3>2- Crit\u00e8res de qualit\u00e9 du SSEF :<\/h3><p>En termes de qualit\u00e9, ce terme qualifiant la couleur peut seulement \u00eatre appliqu\u00e9 aux rubis qui pr\u00e9sentent des grandes qualit\u00e9s et qui n\u2019ont subi aucune modification de couleur et\/ou de puret\u00e9. Tout type de traitement (comme le chauffage, le remplissage de fissures, etc.) exclut la qualification de \u00ab rouge sang de pigeon \u00bb. En outre, les rubis doivent \u00eatre relativement exempts d\u2019inclusions visibles \u00e0 l\u2019\u0153il nu ou fonc\u00e9es et ils doivent pr\u00e9senter une r\u00e9partition de couleur homog\u00e8ne avec des reflets internes \u00e9clatants. La dimension des pierres n\u2019est pas consid\u00e9r\u00e9e comme un crit\u00e8re, ce qui signifie que les rubis de petite taille pourront \u00eatre qualifi\u00e9s de pierres \u00ab rouge sang de pigeon \u00bb.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-82ecb28 elementor-widget elementor-widget-image\" data-id=\"82ecb28\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"226\" src=\"https:\/\/www.ssef.ch\/wp-content\/uploads\/2023\/06\/rubis-sang-de-pigeon-jpeg.webp\" class=\"attachment-large size-large wp-image-26396\" alt=\"\" srcset=\"https:\/\/www.ssef.ch\/wp-content\/uploads\/2023\/06\/rubis-sang-de-pigeon-jpeg.webp 1000w, https:\/\/www.ssef.ch\/wp-content\/uploads\/2023\/06\/rubis-sang-de-pigeon-300x68.webp 300w, https:\/\/www.ssef.ch\/wp-content\/uploads\/2023\/06\/rubis-sang-de-pigeon-768x174.webp 768w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Jeu de pierres de r\u00e9f\u00e9rence de rubis du SSEF pour le \u00ab rouge sang de pigeon \u00bb. Remarque : la couleur de la photo (sur \u00e9cran ou sur papier) pourra ne pas \u00eatre identique \u00e0 celle des pierres elles-m\u00eames. Photo : SSEF.<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-a46c928 elementor-section-boxed elementor-section-height-default elementor-section-height-default qodef-backgound-letter-holder-no qodef-elementor-content-no\" data-id=\"a46c928\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-extended\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-a305e64\" data-id=\"a305e64\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-07184e0 elementor-widget elementor-widget-text-editor\" data-id=\"07184e0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2>Vous voulez en savoir plus sur les rubis ?<\/h2>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8a41905 elementor-widget elementor-widget-image\" data-id=\"8a41905\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"900\" height=\"639\" src=\"https:\/\/www.ssef.ch\/wp-content\/uploads\/2023\/04\/Ruby-course-footer-jpeg.webp\" class=\"attachment-large size-large wp-image-34653\" alt=\"\" srcset=\"https:\/\/www.ssef.ch\/wp-content\/uploads\/2023\/04\/Ruby-course-footer-jpeg.webp 900w, https:\/\/www.ssef.ch\/wp-content\/uploads\/2023\/04\/Ruby-course-footer-300x213.webp 300w, https:\/\/www.ssef.ch\/wp-content\/uploads\/2023\/04\/Ruby-course-footer-768x545.webp 768w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-00ffcd1\" data-id=\"00ffcd1\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-4c8766f elementor-widget elementor-widget-text-editor\" data-id=\"4c8766f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h4>Inscrivez-vous \u00e0 notre cours en ligne gratuit : Introduction aux rubis<\/h4><p>Apprenez tout sur les rubis. Leur histoire fascinante, comment ils se forment, d&rsquo;o\u00f9 ils viennent. D\u00e9couvrez les diff\u00e9rentes origines des rubis et leurs traitements. Prenez ce cours comme une introduction au monde merveilleux des rubis.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-da9747c elementor-widget elementor-widget-laurits_core_button\" data-id=\"da9747c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"laurits_core_button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<a class=\"qodef-shortcode qodef-m qodef-button qodef-layout--filled qodef-html--link\" href=\"https:\/\/masterclass-fr.ssef.ch\/p\/rubis\" target=\"_blank\"  >\n\t<span class=\"qodef-m-text\">S&#039;inscrire gratuitement<\/span>\n<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f81518d elementor-widget elementor-widget-spacer\" data-id=\"f81518d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Le corindon color\u00e9 par des traces de chrome peut pr\u00e9senter des degr\u00e9s divers de saturation de rouge, du rouge fonc\u00e9 au rouge clair (p. ex. rose) en passant par le rouge vif. La profession classifie g\u00e9n\u00e9ralement ces pierres en deux vari\u00e9t\u00e9s : le rubis et le saphir rose.<\/p>\n","protected":false},"author":3,"featured_media":26126,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[684],"tags":[],"library_category":[],"library_author":[],"class_list":["post-19312","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-recherches-fr"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Couleurs du rubis - SSEF<\/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:\/\/www.ssef.ch\/fr\/couleurs-du-rubis\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Couleurs du rubis - SSEF\" \/>\n<meta property=\"og:description\" content=\"Le corindon color\u00e9 par des traces de chrome peut pr\u00e9senter des degr\u00e9s divers de saturation de rouge, du rouge fonc\u00e9 au rouge clair (p. ex. rose) en passant par le rouge vif. La profession classifie g\u00e9n\u00e9ralement ces pierres en deux vari\u00e9t\u00e9s : le rubis et le saphir rose.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.ssef.ch\/fr\/couleurs-du-rubis\/\" \/>\n<meta property=\"og:site_name\" content=\"SSEF\" \/>\n<meta property=\"article:published_time\" content=\"2023-04-03T08:56:02+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2023-09-21T15:21:00+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.ssef.ch\/wp-content\/uploads\/2023\/06\/couleurs-rubis-jpeg.webp\" \/>\n\t<meta property=\"og:image:width\" content=\"600\" \/>\n\t<meta property=\"og:image:height\" content=\"338\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Laurent Cartier\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"Laurent Cartier\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"6 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.ssef.ch\\\/fr\\\/couleurs-du-rubis\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.ssef.ch\\\/fr\\\/couleurs-du-rubis\\\/\"},\"author\":{\"name\":\"Laurent Cartier\",\"@id\":\"https:\\\/\\\/www.ssef.ch\\\/zh-hans\\\/#\\\/schema\\\/person\\\/c855f01c061d2c7b29f823eaee439288\"},\"headline\":\"Couleurs du rubis\",\"datePublished\":\"2023-04-03T08:56:02+00:00\",\"dateModified\":\"2023-09-21T15:21:00+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.ssef.ch\\\/fr\\\/couleurs-du-rubis\\\/\"},\"wordCount\":964,\"publisher\":{\"@id\":\"https:\\\/\\\/www.ssef.ch\\\/zh-hans\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/www.ssef.ch\\\/fr\\\/couleurs-du-rubis\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.ssef.ch\\\/wp-content\\\/uploads\\\/2023\\\/06\\\/couleurs-rubis-jpeg.webp\",\"articleSection\":[\"recherches-fr\"],\"inLanguage\":\"fr-FR\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.ssef.ch\\\/fr\\\/couleurs-du-rubis\\\/\",\"url\":\"https:\\\/\\\/www.ssef.ch\\\/fr\\\/couleurs-du-rubis\\\/\",\"name\":\"Couleurs du rubis - SSEF\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.ssef.ch\\\/zh-hans\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.ssef.ch\\\/fr\\\/couleurs-du-rubis\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.ssef.ch\\\/fr\\\/couleurs-du-rubis\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.ssef.ch\\\/wp-content\\\/uploads\\\/2023\\\/06\\\/couleurs-rubis-jpeg.webp\",\"datePublished\":\"2023-04-03T08:56:02+00:00\",\"dateModified\":\"2023-09-21T15:21:00+00:00\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.ssef.ch\\\/fr\\\/couleurs-du-rubis\\\/#breadcrumb\"},\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.ssef.ch\\\/fr\\\/couleurs-du-rubis\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\\\/\\\/www.ssef.ch\\\/fr\\\/couleurs-du-rubis\\\/#primaryimage\",\"url\":\"https:\\\/\\\/www.ssef.ch\\\/wp-content\\\/uploads\\\/2023\\\/06\\\/couleurs-rubis-jpeg.webp\",\"contentUrl\":\"https:\\\/\\\/www.ssef.ch\\\/wp-content\\\/uploads\\\/2023\\\/06\\\/couleurs-rubis-jpeg.webp\",\"width\":600,\"height\":338},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.ssef.ch\\\/fr\\\/couleurs-du-rubis\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/www.ssef.ch\\\/fr\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Couleurs du rubis\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/www.ssef.ch\\\/zh-hans\\\/#website\",\"url\":\"https:\\\/\\\/www.ssef.ch\\\/zh-hans\\\/\",\"name\":\"SSEF\",\"description\":\"A world leader in coloured gemstone, diamond and pearl testing\",\"publisher\":{\"@id\":\"https:\\\/\\\/www.ssef.ch\\\/zh-hans\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/www.ssef.ch\\\/zh-hans\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"fr-FR\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/www.ssef.ch\\\/zh-hans\\\/#organization\",\"name\":\"SSEF\",\"url\":\"https:\\\/\\\/www.ssef.ch\\\/zh-hans\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\\\/\\\/www.ssef.ch\\\/zh-hans\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/ssef.ch\\\/wp-content\\\/uploads\\\/2017\\\/11\\\/logo-ssef.png\",\"contentUrl\":\"https:\\\/\\\/ssef.ch\\\/wp-content\\\/uploads\\\/2017\\\/11\\\/logo-ssef.png\",\"width\":242,\"height\":80,\"caption\":\"SSEF\"},\"image\":{\"@id\":\"https:\\\/\\\/www.ssef.ch\\\/zh-hans\\\/#\\\/schema\\\/logo\\\/image\\\/\"}},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/www.ssef.ch\\\/zh-hans\\\/#\\\/schema\\\/person\\\/c855f01c061d2c7b29f823eaee439288\",\"name\":\"Laurent Cartier\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/2d6ecec0d1236a39177576c2a66acd8060d64af5a97363fe4f5b3b7067a08b33?s=96&d=mm&r=g\",\"url\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/2d6ecec0d1236a39177576c2a66acd8060d64af5a97363fe4f5b3b7067a08b33?s=96&d=mm&r=g\",\"contentUrl\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/2d6ecec0d1236a39177576c2a66acd8060d64af5a97363fe4f5b3b7067a08b33?s=96&d=mm&r=g\",\"caption\":\"Laurent Cartier\"}}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Couleurs du rubis - SSEF","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.ssef.ch\/fr\/couleurs-du-rubis\/","og_locale":"fr_FR","og_type":"article","og_title":"Couleurs du rubis - SSEF","og_description":"Le corindon color\u00e9 par des traces de chrome peut pr\u00e9senter des degr\u00e9s divers de saturation de rouge, du rouge fonc\u00e9 au rouge clair (p. ex. rose) en passant par le rouge vif. La profession classifie g\u00e9n\u00e9ralement ces pierres en deux vari\u00e9t\u00e9s : le rubis et le saphir rose.","og_url":"https:\/\/www.ssef.ch\/fr\/couleurs-du-rubis\/","og_site_name":"SSEF","article_published_time":"2023-04-03T08:56:02+00:00","article_modified_time":"2023-09-21T15:21:00+00:00","og_image":[{"width":600,"height":338,"url":"https:\/\/www.ssef.ch\/wp-content\/uploads\/2023\/06\/couleurs-rubis-jpeg.webp","type":"image\/jpeg"}],"author":"Laurent Cartier","twitter_card":"summary_large_image","twitter_misc":{"\u00c9crit par":"Laurent Cartier","Dur\u00e9e de lecture estim\u00e9e":"6 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.ssef.ch\/fr\/couleurs-du-rubis\/#article","isPartOf":{"@id":"https:\/\/www.ssef.ch\/fr\/couleurs-du-rubis\/"},"author":{"name":"Laurent Cartier","@id":"https:\/\/www.ssef.ch\/zh-hans\/#\/schema\/person\/c855f01c061d2c7b29f823eaee439288"},"headline":"Couleurs du rubis","datePublished":"2023-04-03T08:56:02+00:00","dateModified":"2023-09-21T15:21:00+00:00","mainEntityOfPage":{"@id":"https:\/\/www.ssef.ch\/fr\/couleurs-du-rubis\/"},"wordCount":964,"publisher":{"@id":"https:\/\/www.ssef.ch\/zh-hans\/#organization"},"image":{"@id":"https:\/\/www.ssef.ch\/fr\/couleurs-du-rubis\/#primaryimage"},"thumbnailUrl":"https:\/\/www.ssef.ch\/wp-content\/uploads\/2023\/06\/couleurs-rubis-jpeg.webp","articleSection":["recherches-fr"],"inLanguage":"fr-FR"},{"@type":"WebPage","@id":"https:\/\/www.ssef.ch\/fr\/couleurs-du-rubis\/","url":"https:\/\/www.ssef.ch\/fr\/couleurs-du-rubis\/","name":"Couleurs du rubis - SSEF","isPartOf":{"@id":"https:\/\/www.ssef.ch\/zh-hans\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.ssef.ch\/fr\/couleurs-du-rubis\/#primaryimage"},"image":{"@id":"https:\/\/www.ssef.ch\/fr\/couleurs-du-rubis\/#primaryimage"},"thumbnailUrl":"https:\/\/www.ssef.ch\/wp-content\/uploads\/2023\/06\/couleurs-rubis-jpeg.webp","datePublished":"2023-04-03T08:56:02+00:00","dateModified":"2023-09-21T15:21:00+00:00","breadcrumb":{"@id":"https:\/\/www.ssef.ch\/fr\/couleurs-du-rubis\/#breadcrumb"},"inLanguage":"fr-FR","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.ssef.ch\/fr\/couleurs-du-rubis\/"]}]},{"@type":"ImageObject","inLanguage":"fr-FR","@id":"https:\/\/www.ssef.ch\/fr\/couleurs-du-rubis\/#primaryimage","url":"https:\/\/www.ssef.ch\/wp-content\/uploads\/2023\/06\/couleurs-rubis-jpeg.webp","contentUrl":"https:\/\/www.ssef.ch\/wp-content\/uploads\/2023\/06\/couleurs-rubis-jpeg.webp","width":600,"height":338},{"@type":"BreadcrumbList","@id":"https:\/\/www.ssef.ch\/fr\/couleurs-du-rubis\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.ssef.ch\/fr\/"},{"@type":"ListItem","position":2,"name":"Couleurs du rubis"}]},{"@type":"WebSite","@id":"https:\/\/www.ssef.ch\/zh-hans\/#website","url":"https:\/\/www.ssef.ch\/zh-hans\/","name":"SSEF","description":"A world leader in coloured gemstone, diamond and pearl testing","publisher":{"@id":"https:\/\/www.ssef.ch\/zh-hans\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.ssef.ch\/zh-hans\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"fr-FR"},{"@type":"Organization","@id":"https:\/\/www.ssef.ch\/zh-hans\/#organization","name":"SSEF","url":"https:\/\/www.ssef.ch\/zh-hans\/","logo":{"@type":"ImageObject","inLanguage":"fr-FR","@id":"https:\/\/www.ssef.ch\/zh-hans\/#\/schema\/logo\/image\/","url":"https:\/\/ssef.ch\/wp-content\/uploads\/2017\/11\/logo-ssef.png","contentUrl":"https:\/\/ssef.ch\/wp-content\/uploads\/2017\/11\/logo-ssef.png","width":242,"height":80,"caption":"SSEF"},"image":{"@id":"https:\/\/www.ssef.ch\/zh-hans\/#\/schema\/logo\/image\/"}},{"@type":"Person","@id":"https:\/\/www.ssef.ch\/zh-hans\/#\/schema\/person\/c855f01c061d2c7b29f823eaee439288","name":"Laurent Cartier","image":{"@type":"ImageObject","inLanguage":"fr-FR","@id":"https:\/\/secure.gravatar.com\/avatar\/2d6ecec0d1236a39177576c2a66acd8060d64af5a97363fe4f5b3b7067a08b33?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/2d6ecec0d1236a39177576c2a66acd8060d64af5a97363fe4f5b3b7067a08b33?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/2d6ecec0d1236a39177576c2a66acd8060d64af5a97363fe4f5b3b7067a08b33?s=96&d=mm&r=g","caption":"Laurent Cartier"}}]}},"_links":{"self":[{"href":"https:\/\/www.ssef.ch\/fr\/wp-json\/wp\/v2\/posts\/19312","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ssef.ch\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ssef.ch\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ssef.ch\/fr\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ssef.ch\/fr\/wp-json\/wp\/v2\/comments?post=19312"}],"version-history":[{"count":6,"href":"https:\/\/www.ssef.ch\/fr\/wp-json\/wp\/v2\/posts\/19312\/revisions"}],"predecessor-version":[{"id":34664,"href":"https:\/\/www.ssef.ch\/fr\/wp-json\/wp\/v2\/posts\/19312\/revisions\/34664"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.ssef.ch\/fr\/wp-json\/wp\/v2\/media\/26126"}],"wp:attachment":[{"href":"https:\/\/www.ssef.ch\/fr\/wp-json\/wp\/v2\/media?parent=19312"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ssef.ch\/fr\/wp-json\/wp\/v2\/categories?post=19312"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ssef.ch\/fr\/wp-json\/wp\/v2\/tags?post=19312"},{"taxonomy":"library_category","embeddable":true,"href":"https:\/\/www.ssef.ch\/fr\/wp-json\/wp\/v2\/library_category?post=19312"},{"taxonomy":"library_author","embeddable":true,"href":"https:\/\/www.ssef.ch\/fr\/wp-json\/wp\/v2\/library_author?post=19312"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}