{"id":2638,"date":"2026-08-11T11:05:54","date_gmt":"2026-08-11T09:05:54","guid":{"rendered":"https:\/\/www.minesparis.psl.eu\/musee\/?page_id=2638"},"modified":"2026-08-27T11:53:18","modified_gmt":"2026-08-27T09:53:18","slug":"les-synthetiques","status":"publish","type":"page","link":"https:\/\/www.minesparis.psl.eu\/musee\/le-musee\/collections\/les-synthetiques\/","title":{"rendered":"Les synth\u00e9tiques"},"content":{"rendered":"\n\n\n<div class=\"container block-full-largeur\">\n\t<div class=\"row mt-4\">\n\t\t<div class=\"col-md-12\">\n\t\t\t<h3 style=\"text-align: justify\">Qu&rsquo;est-ce qu&rsquo;un cristal de synth\u00e8se ?<\/h3>\n<p>Les cristaux synth\u00e9tiques sont des mat\u00e9riaux cr\u00e9es en laboratoire par l&rsquo;homme et qui reproduisent les caract\u00e9ristiques chimiques et cristallines des min\u00e9raux naturels. On ne peut pas les appeler \u00ab\u00a0min\u00e9raux synth\u00e9tiques\u00a0\u00bb, puisqu&rsquo;un min\u00e9ral est par d\u00e9finition naturel. La notion de \u00ab\u00a0cristal synth\u00e9tique\u00a0\u00bb est donc retenue. Il existe \u00e9galement des cristaux synth\u00e9tiques dont la composition chimique et la structure cristalline ne sont pas (encore ?) connus dans la nature.<\/p>\n\t\t<\/div>\n\t<\/div>\n<\/div>\n\n\n<div class=\"container block-full-largeur\">\n\t<div class=\"row mt-4\">\n\t\t<div class=\"col-md-12\">\n\t\t\t<hr \/>\n\t\t<\/div>\n\t<\/div>\n<\/div>\n\n<div class=\"container bloc-30-70\">\n\t<div class=\"row mt-4\">\n\t\t<div class=\"col-md-4\">\n\t\t\t<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-1631\" src=\"https:\/\/www.minesparis.psl.eu\/musee\/wp-content\/uploads\/sites\/29\/2025\/07\/IMG_2699-e1753963504998-300x256.png\" alt=\"\" width=\"300\" height=\"256\" srcset=\"https:\/\/www.minesparis.psl.eu\/musee\/wp-content\/uploads\/sites\/29\/2025\/07\/IMG_2699-e1753963504998-300x256.png 300w, https:\/\/www.minesparis.psl.eu\/musee\/wp-content\/uploads\/sites\/29\/2025\/07\/IMG_2699-e1753963504998.png 338w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/p>\n<p style=\"text-align: justify\"><em>Cristal synth\u00e9tique de chrysob\u00e9ryl, vari\u00e9t\u00e9 alexandrite. \u00a9 Mus\u00e9e de Min\u00e9ralogie Mines Paris \u2013 PSL \/ Romain Bolzoni<\/em><\/p>\n\t\t<\/div>\n\t\t<div class=\"col-md-8\">\n\t\t\t<h3 style=\"text-align: left\">Des cristaux de synth\u00e8se pour quoi ?<\/h3>\n<p style=\"text-align: justify\">Du silicium dans votre t\u00e9l\u00e9phone et dans les cellules photovolta\u00efques, du quartz de synth\u00e8se de tr\u00e8s haute puret\u00e9 dans votre montre et dans les horloges qui mesurent le temps dans l\u2019espace, des cristaux optiques dans l\u2019imagerie m\u00e9dicale ou les lasers, des diamants synth\u00e9tiques pour faire des abrasifs ou des bijoux, les cristaux synth\u00e9tiques sont incontournables pour les enjeux soci\u00e9taux et critiques pour l\u2019industrie. De l\u2019industrie du luxe \u00e0 la d\u00e9fense, du smartphone aux \u00e9nergies renouvelables et au m\u00e9dical, ces mat\u00e9riaux pr\u00e9cieux irriguent les technologies d\u2019aujourd\u2019hui et de demain.<\/p>\n<p style=\"text-align: justify\">Pourquoi utiliser des cristaux de synth\u00e8se plut\u00f4t que des min\u00e9raux naturels ? <strong>En laboratoire, on peut contr\u00f4ler leur composition, leur puret\u00e9, leur taille et leur structure afin de leur donner des propri\u00e9t\u00e9s pr\u00e9cises , compatibles avec les besoins industriels.\u00a0<\/strong><\/p>\n<p style=\"text-align: justify\">\n\t\t<\/div>\n\t<\/div>\n<\/div>\n\n\n<div class=\"container block-full-largeur\">\n\t<div class=\"row mt-4\">\n\t\t<div class=\"col-md-12\">\n\t\t\t<hr \/>\n\t\t<\/div>\n\t<\/div>\n<\/div>\n\n\n<div class=\"container block-full-largeur\">\n\t<div class=\"row mt-4\">\n\t\t<div class=\"col-md-12\">\n\t\t\t\t\t<\/div>\n\t<\/div>\n<\/div>\n\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":4,"featured_media":2643,"parent":283,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-2638","page","type-page","status-publish","has-post-thumbnail","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.5 - 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