{"id":20390,"date":"2023-05-05T09:38:39","date_gmt":"2023-05-05T07:38:39","guid":{"rendered":"https:\/\/ssef.ch\/opal-en\/"},"modified":"2023-06-01T17:45:46","modified_gmt":"2023-06-01T15:45:46","slug":"opales","status":"publish","type":"page","link":"https:\/\/www.ssef.ch\/fr\/cours-gratuit\/opales\/","title":{"rendered":"Introduction \u00e0 l&rsquo;univers des opales"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"20390\" class=\"elementor elementor-20390 elementor-20211\" data-elementor-post-type=\"page\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-0078a47 elementor-section-full_width elementor-section-height-default elementor-section-height-default qodef-backgound-letter-holder-no qodef-elementor-content-no\" data-id=\"0078a47\" 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-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-1ff9c93\" data-id=\"1ff9c93\" 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-e399618 elementor-widget elementor-widget-text-editor\" data-id=\"e399618\" 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<h1>Introduction \u00e0 l&rsquo;univers des opales<\/h1><p>Commencez votre parcours pour devenir un expert en opales.<\/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-befa960 elementor-widget elementor-widget-laurits_core_button\" data-id=\"befa960\" 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\/opales\" target=\"_blank\"  >\n\t<span class=\"qodef-m-text\">INSCRIVEZ-VOUS GRATUITEMENT<\/span>\n<\/a>\n\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-8d212b5 elementor-section-full_width elementor-section-height-default elementor-section-height-default qodef-backgound-letter-holder-no qodef-elementor-content-no\" data-id=\"8d212b5\" 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-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-281b1c7\" data-id=\"281b1c7\" 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-2a4c7b1 elementor-widget elementor-widget-text-editor\" data-id=\"2a4c7b1\" 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<p><span style=\"color: #ffffff;\">Ce cours est \u00e9galement disponible en anglais &#8211; <span style=\"text-decoration: underline;\"><a style=\"color: #ffffff; text-decoration: underline;\" href=\"https:\/\/www.ssef.ch\/masterclass\/\">Cliquez ici<\/a><\/span><\/span><\/p>\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-8f9d8e7 elementor-section-full_width elementor-reverse-tablet elementor-reverse-mobile elementor-section-height-default elementor-section-height-default qodef-backgound-letter-holder-no qodef-elementor-content-no\" data-id=\"8f9d8e7\" 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-50 elementor-top-column elementor-element elementor-element-08a08e1\" data-id=\"08a08e1\" 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-3053e3f elementor-widget elementor-widget-text-editor\" data-id=\"3053e3f\" 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>Introduction aux&nbsp;opales<\/h2>\n<ul>\n<li>Qu&rsquo;est-ce qu&rsquo;une opale&nbsp;?<\/li>\n<li>Opales c\u00e9l\u00e8bres<\/li>\n<li>D\u00e9couvrez les opales les plus ch\u00e8res au monde<\/li>\n<li>Quelle est la duret\u00e9 d\u2019une opale&nbsp;?<\/li>\n<li>Comment tailler une opale&nbsp;?<\/li>\n<\/ul>\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-5fa461f\" data-id=\"5fa461f\" data-element_type=\"column\" data-e-type=\"column\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\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-b3d3e88 elementor-widget elementor-widget-image\" data-id=\"b3d3e88\" 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=\"1024\" height=\"427\" src=\"https:\/\/www.ssef.ch\/wp-content\/uploads\/2023\/06\/opal-masterclass-1024x427.webp\" class=\"attachment-large size-large wp-image-26747\" alt=\"\" srcset=\"https:\/\/www.ssef.ch\/wp-content\/uploads\/2023\/06\/opal-masterclass-1024x427.webp 1024w, https:\/\/www.ssef.ch\/wp-content\/uploads\/2023\/06\/opal-masterclass-300x125.webp 300w, https:\/\/www.ssef.ch\/wp-content\/uploads\/2023\/06\/opal-masterclass-768x320.webp 768w, https:\/\/www.ssef.ch\/wp-content\/uploads\/2023\/06\/opal-masterclass-jpeg.webp 1440w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\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\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-4fa1550 elementor-section-full_width elementor-reverse-tablet elementor-reverse-mobile elementor-section-height-default elementor-section-height-default qodef-backgound-letter-holder-no qodef-elementor-content-no\" data-id=\"4fa1550\" 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-50 elementor-top-column elementor-element elementor-element-36aeae0\" data-id=\"36aeae0\" 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-9f827ac elementor-widget elementor-widget-text-editor\" data-id=\"9f827ac\" 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>Les opales : origines &amp; formation<\/h2><ul><li>L&rsquo;opale\u00a0dans diff\u00e9rentes cultures<\/li><li>Comment les opales se forment-elles dans la nature ?<\/li><li>Comment trouve-t-on les opales ?<\/li><li>Comment d\u00e9terminer l\u2019\u00e2ge d\u2019une opale\u00a0?<\/li><li>Quand les opales ont-elles \u00e9t\u00e9 d\u00e9couvertes ?<\/li><li>Dans quels pays trouve-t-on des opales aujourd\u2019hui ?<\/li><\/ul>\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-7a5ef4b\" data-id=\"7a5ef4b\" data-element_type=\"column\" data-e-type=\"column\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\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-df5e156 elementor-widget elementor-widget-image\" data-id=\"df5e156\" 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 decoding=\"async\" width=\"1024\" height=\"427\" src=\"https:\/\/www.ssef.ch\/wp-content\/uploads\/2023\/06\/opal-origins-1024x427.webp\" class=\"attachment-large size-large wp-image-26752\" alt=\"\" srcset=\"https:\/\/www.ssef.ch\/wp-content\/uploads\/2023\/06\/opal-origins-1024x427.webp 1024w, https:\/\/www.ssef.ch\/wp-content\/uploads\/2023\/06\/opal-origins-300x125.webp 300w, https:\/\/www.ssef.ch\/wp-content\/uploads\/2023\/06\/opal-origins-768x320.webp 768w, https:\/\/www.ssef.ch\/wp-content\/uploads\/2023\/06\/opal-origins-jpg.webp 1440w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\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\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-05cce12 elementor-section-full_width elementor-reverse-tablet elementor-reverse-mobile elementor-section-height-default elementor-section-height-default qodef-backgound-letter-holder-no qodef-elementor-content-no\" data-id=\"05cce12\" 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-50 elementor-top-column elementor-element elementor-element-adae9bc\" data-id=\"adae9bc\" 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-6447349 elementor-widget elementor-widget-text-editor\" data-id=\"6447349\" 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>La science de l\u2019analyse des opales<\/h2><ul><li>Comment savoir si c\u2019est une opale\u00a0ou du verre ?<\/li><li>Comment savoir s\u2019il s\u2019agit d\u2019une opale\u00a0naturelle ou non ?<\/li><li>Comment savoir si une opale\u00a0a \u00e9t\u00e9 trait\u00e9e ou non ?<\/li><li>Comment d\u00e9terminer l\u2019origine g\u00e9ographique d\u2019une opale\u00a0?<\/li><li>Tra\u00e7abilit\u00e9 des opales<\/li><li>Quels instruments sont utilis\u00e9s pour tester les opales ?<\/li><\/ul>\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-6058115\" data-id=\"6058115\" data-element_type=\"column\" data-e-type=\"column\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\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-a8a6675 elementor-widget elementor-widget-image\" data-id=\"a8a6675\" 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 decoding=\"async\" width=\"1024\" height=\"427\" src=\"https:\/\/www.ssef.ch\/wp-content\/uploads\/2023\/06\/opal-testing-1024x427.webp\" class=\"attachment-large size-large wp-image-26757\" alt=\"\" srcset=\"https:\/\/www.ssef.ch\/wp-content\/uploads\/2023\/06\/opal-testing-1024x427.webp 1024w, https:\/\/www.ssef.ch\/wp-content\/uploads\/2023\/06\/opal-testing-300x125.webp 300w, https:\/\/www.ssef.ch\/wp-content\/uploads\/2023\/06\/opal-testing-768x320.webp 768w, https:\/\/www.ssef.ch\/wp-content\/uploads\/2023\/06\/opal-testing-jpeg.webp 1440w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\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\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-97ac183 elementor-section-full_width elementor-section-height-default elementor-section-height-default qodef-backgound-letter-holder-no qodef-elementor-content-no\" data-id=\"97ac183\" 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-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-9a2de52\" data-id=\"9a2de52\" 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<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-b15aad7 elementor-section-full_width elementor-section-height-default elementor-section-height-default qodef-backgound-letter-holder-no qodef-elementor-content-no\" data-id=\"b15aad7\" 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-50 elementor-inner-column elementor-element elementor-element-57997ef\" data-id=\"57997ef\" data-element_type=\"column\" data-e-type=\"column\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\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-24ee078 elementor-widget elementor-widget-text-editor\" data-id=\"24ee078\" 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<h3>\u00c0 propos du cours<\/h3><ul><li aria-level=\"1\">Cours \u00e0 votre rythme : acc\u00e9dez aux informations que vous voulez, quand vous le voulez.<\/li><li aria-level=\"1\">Testez vos connaissances sur les opales gr\u00e2ce \u00e0 un questionnaire \u00e0 la fin de ce cours. Veuillez noter qu\u2019il s\u2019agit de cours d\u2019introduction de courte dur\u00e9e, qui ne constituent pas des qualifications professionnelles et ne vous donnent pas la possibilit\u00e9 d\u2019ajouter des lettres ou des titres \u00e0 votre nom.<\/li><\/ul>\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-inner-column elementor-element elementor-element-afb937b\" data-id=\"afb937b\" data-element_type=\"column\" data-e-type=\"column\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\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-9f22ac2 elementor-widget elementor-widget-text-editor\" data-id=\"9f22ac2\" 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<h3>Votre instructeur<\/h3><p>SSEF est une fondation suisse \u00e0 but non lucratif dont l\u2019objectif est de faire progresser la science de l\u2019analyse des pierres pr\u00e9cieuses et la formation en gemmologie. Nous sommes l\u2019un des principaux laboratoires de gemmologie au monde et avons test\u00e9 scientifiquement de nombreuses pierres pr\u00e9cieuses parmi les plus prestigieuses du monde.<\/p><p>Pour plus d\u2019informations sur les services d\u2019analyse des opales, cliquez <a href=\"https:\/\/www.ssef.ch\/submit-coloured-gemstones\/\">ici<\/a>\u00a0pour visiter notre site web.<\/p>\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\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-954defa elementor-section-full_width elementor-section-height-default elementor-section-height-default qodef-backgound-letter-holder-no qodef-elementor-content-no\" data-id=\"954defa\" 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-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-ee41a4c\" data-id=\"ee41a4c\" 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<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-a73071b elementor-section-full_width elementor-section-height-default elementor-section-height-default qodef-backgound-letter-holder-no qodef-elementor-content-no\" data-id=\"a73071b\" 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-50 elementor-inner-column elementor-element elementor-element-acb575c\" data-id=\"acb575c\" data-element_type=\"column\" data-e-type=\"column\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\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-7f9f2e0 elementor-widget elementor-widget-text-editor\" data-id=\"7f9f2e0\" 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>Questions fr\u00e9quemment pos\u00e9es<\/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-4216273 elementor-hidden-tablet elementor-hidden-mobile elementor-widget elementor-widget-image\" data-id=\"4216273\" 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=\"1000\" height=\"635\" src=\"https:\/\/www.ssef.ch\/wp-content\/uploads\/2023\/06\/opal-free-course-jpeg.webp\" class=\"attachment-large size-large wp-image-26742\" alt=\"\" srcset=\"https:\/\/www.ssef.ch\/wp-content\/uploads\/2023\/06\/opal-free-course-jpeg.webp 1000w, https:\/\/www.ssef.ch\/wp-content\/uploads\/2023\/06\/opal-free-course-300x191.webp 300w, https:\/\/www.ssef.ch\/wp-content\/uploads\/2023\/06\/opal-free-course-768x488.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-3a15203 elementor-hidden-tablet elementor-hidden-mobile elementor-widget elementor-widget-image\" data-id=\"3a15203\" 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=\"1024\" height=\"682\" src=\"https:\/\/www.ssef.ch\/wp-content\/uploads\/2023\/06\/17-opal-australia-1024x682.webp\" class=\"attachment-large size-large wp-image-26654\" alt=\"\" srcset=\"https:\/\/www.ssef.ch\/wp-content\/uploads\/2023\/06\/17-opal-australia-1024x682.webp 1024w, https:\/\/www.ssef.ch\/wp-content\/uploads\/2023\/06\/17-opal-australia-300x200.webp 300w, https:\/\/www.ssef.ch\/wp-content\/uploads\/2023\/06\/17-opal-australia-768x512.webp 768w, https:\/\/www.ssef.ch\/wp-content\/uploads\/2023\/06\/17-opal-australia-1536x1023.webp 1536w, https:\/\/www.ssef.ch\/wp-content\/uploads\/2023\/06\/17-opal-australia-jpg.webp 2022w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\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-inner-column elementor-element elementor-element-c67c5fe\" data-id=\"c67c5fe\" data-element_type=\"column\" data-e-type=\"column\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\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-ea971cc elementor-widget elementor-widget-text-editor\" data-id=\"ea971cc\" 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>\u00c0 qui s&rsquo;adresse ce cours ?<\/h4>\n<ul>\n<li>Acc\u00e9dez \u00e0 des informations fiables du SSEF, l\u2019une des plus grandes r\u00e9f\u00e9rences internationales en mati\u00e8re d&rsquo;opales.<\/li>\n<li>Vous \u00eates curieux de conna\u00eetre les opales et les pierres pr\u00e9cieuses ? Commencez \u00e0 en savoir plus avec ce cours gratuit.<\/li>\n<li>Vous travaillez dans le secteur de la joaillerie et vous souhaitez acqu\u00e9rir des connaissances sp\u00e9cialis\u00e9es sur des sujets tels que les facteurs de qualit\u00e9 des opales et l\u2019origine des opales ? Alors ce cours est pour vous.<\/li>\n<\/ul>\n<h4>Quand le cours commence et se termine-t-il ?<\/h4>\n<p>Le cours commence maintenant et ne se termine jamais ! Il s\u2019agit d\u2019un cours en ligne enti\u00e8rement autog\u00e9r\u00e9 \u2013 vous d\u00e9cidez du moment o\u00f9 vous le suivez et de celui o\u00f9 vous le terminez.<\/p>\n<h4>Combien de temps ai-je acc\u00e8s au cours ?<\/h4>\n<p>Que pensez-vous d\u2019un acc\u00e8s \u00e0 vie ? Apr\u00e8s votre inscription, vous avez un acc\u00e8s illimit\u00e9 \u00e0 ce cours aussi longtemps que vous le souhaitez, sur tous les appareils que vous poss\u00e9dez.<\/p>\n<h4>Il ne s\u2019agit&nbsp;PAS&nbsp;d\u2019un cours sur :<\/h4>\n<ul>\n<li>Comment acheter une opale<\/li>\n<li>Comment vendre une opale<\/li>\n<li>Comment tester une opale<\/li>\n\n<li>Comment certifier une opale<\/li>\n<li>Comment \u00e9valuer une opale<\/li>\n<li>Apprendre \u00e0 cr\u00e9er des bijoux en opale<\/li>\n<li>Savoir dans quelles&nbsp;opales investir<\/li>\n<\/ul>\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-1151f05 elementor-widget elementor-widget-laurits_core_button\" data-id=\"1151f05\" 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\/opales\" target=\"_blank\"  >\n\t<span class=\"qodef-m-text\">INSCRIVEZ-VOUS GRATUITEMENT<\/span>\n<\/a>\n\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\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>Introduction \u00e0 l&rsquo;univers des opales Commencez votre parcours pour devenir un expert en opales. INSCRIVEZ-VOUS GRATUITEMENT Ce cours est \u00e9galement disponible en anglais &#8211; Cliquez ici Introduction aux&nbsp;opales Qu&rsquo;est-ce qu&rsquo;une opale&nbsp;? Opales c\u00e9l\u00e8bres D\u00e9couvrez les opales les plus ch\u00e8res au monde Quelle est la duret\u00e9 d\u2019une opale&nbsp;? Comment tailler une opale&nbsp;? Les opales : origines [&hellip;]<\/p>\n","protected":false},"author":10,"featured_media":0,"parent":34480,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"page-full-width.php","meta":{"_acf_changed":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"class_list":["post-20390","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Introduction \u00e0 l&#039;univers des opales - 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\/free-online-course\/opal-en\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Introduction \u00e0 l&#039;univers des opales - SSEF\" \/>\n<meta property=\"og:description\" content=\"Introduction \u00e0 l&rsquo;univers des opales Commencez votre parcours pour devenir un expert en opales. INSCRIVEZ-VOUS GRATUITEMENT Ce cours est \u00e9galement disponible en anglais &#8211; Cliquez ici Introduction aux&nbsp;opales Qu&rsquo;est-ce qu&rsquo;une opale&nbsp;? Opales c\u00e9l\u00e8bres D\u00e9couvrez les opales les plus ch\u00e8res au monde Quelle est la duret\u00e9 d\u2019une opale&nbsp;? Comment tailler une opale&nbsp;? 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