{"id":247318,"date":"2026-10-19T07:50:34","date_gmt":"2026-10-19T05:50:34","guid":{"rendered":"https:\/\/cicala.it\/amazzonite-pierre-vert-bleu-amazones\/"},"modified":"2026-10-19T07:50:34","modified_gmt":"2026-10-19T05:50:34","slug":"amazzonite-pierre-vert-bleu-amazones","status":"publish","type":"post","link":"https:\/\/cicala.it\/fr\/amazzonite-pierre-vert-bleu-amazones\/","title":{"rendered":"Amazzonite\u00a0: la pierre vert-bleu des Amazones"},"content":{"rendered":"\n<article>\n\n<p class=\"in-breve\"><strong>En bref.<\/strong> L'amazonite est un feldspath \u2014 vari\u00e9t\u00e9 vert-bleu du microcline \u2014 et sa couleur provient du plomb pr\u00e9sent dans le r\u00e9seau cristallin. Duret\u00e9 6-6,5 mais avec <strong>deux plans de clivage<\/strong>\u00a0: elle s'\u00e9br\u00e8che plus facilement que la duret\u00e9 ne le sugg\u00e8re. Le nom \u00e9voque le fleuve Amazone, mais les gisements sont ailleurs\u00a0; et dans le commerce, elle est souvent confondue avec la turquoise et le jade, dont elle se distingue par le r\u00e9seau de veines blanches.<\/p>\n\n<p>L'<strong>amazonite<\/strong> est une gemme reconnaissable \u00e0 son vert-bleu intense, travers\u00e9 de veines blanches qui cr\u00e9ent un motif toujours diff\u00e9rent. Elle appartient \u00e0 la famille des feldspaths, la plus abondante de la cro\u00fbte terrestre\u00a0: c'est, en quelque sorte, une pierre commune qui a eu la chance de na\u00eetre d'une couleur rare.<\/p>\n\n<h2>Composition et caract\u00e9ristiques physiques<\/h2>\n<ul>\n  <li><strong>Composition\u00a0:<\/strong> microcline, feldspath potassique (KAlSi\u2083O\u2088)<\/li>\n  <li><strong>Couleur\u00a0:<\/strong> vert-bleu, d\u00fb \u00e0 des traces de plomb dans la structure, avec des veines blanches d'albite<\/li>\n  <li><strong>Duret\u00e9\u00a0:<\/strong> 6-6,5 sur l'\u00e9chelle de Mohs<\/li>\n  <li><strong>Clivage\u00a0:<\/strong> parfait dans deux directions \u2014 c'est le point faible de la pierre<\/li>\n  <li><strong>\u00c9clat\u00a0:<\/strong> vitreux, l\u00e9g\u00e8rement nacr\u00e9 sur les plans de clivage<\/li>\n<\/ul>\n\n<figure class=\"wp-block-image size-full\" style=\"max-width:1024px;margin:1.8rem auto;\"><img src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" data-src=\"https:\/\/staging2.cicala.it\/wp-content\/uploads\/2026\/10\/01_6cdebe_046363f52a3245dea6b45f9aee70648e-mv2.jpg\" alt=\"Pierres brutes d&#039;amazonite vert-bleu\" width=\"1024\" height=\"542\" loading=\"lazy\" decoding=\"async\" class=\"wp-image-232116 lazyload\" style=\"width:100%;height:auto;aspect-ratio:1500\/794;contain:none;display:block;margin:0 auto;\"><noscript><img src=\"https:\/\/staging2.cicala.it\/wp-content\/uploads\/2026\/10\/01_6cdebe_046363f52a3245dea6b45f9aee70648e-mv2.jpg\" alt=\"Pierres brutes d&#039;amazonite vert-bleu\" width=\"1024\" height=\"542\" loading=\"lazy\" decoding=\"async\" class=\"wp-image-232116\" style=\"width:100%;height:auto;aspect-ratio:1500\/794;contain:none;display:block;margin:0 auto;\" srcset=\"https:\/\/cicala.it\/wp-content\/uploads\/2026\/10\/01_6cdebe_046363f52a3245dea6b45f9aee70648e-mv2.jpg 1500w, https:\/\/cicala.it\/wp-content\/uploads\/2026\/10\/01_6cdebe_046363f52a3245dea6b45f9aee70648e-mv2-445x236.jpg 445w, https:\/\/cicala.it\/wp-content\/uploads\/2026\/10\/01_6cdebe_046363f52a3245dea6b45f9aee70648e-mv2-600x318.jpg 600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/noscript><\/figure>\n<h2>Le nom trompeur<\/h2>\n<p>Le nom \u00e9voque le fleuve Amazone, mais en Amazonie, l'amazonite ne se trouve pas\u00a0: les principaux gisements sont en <strong>Russie<\/strong> (monts Ilmen), <strong>Madagascar<\/strong>, <strong>Br\u00e9sil<\/strong> \u2014 mais pas dans le bassin amazonien \u2014 et <strong>\u00c9tats-Unis<\/strong> (Colorado, o\u00f9 elle accompagne le quartz fum\u00e9 dans des associations tr\u00e8s recherch\u00e9es par les collectionneurs). L'hypoth\u00e8se la plus r\u00e9pandue est que le nom d\u00e9rive de pierres vertes rapport\u00e9es d'Am\u00e9rique du Sud au XVIIIe si\u00e8cle, qui \u00e9taient probablement du jade ou de la n\u00e9phrite.<\/p>\n\n<h2>Comment la distinguer de la turquoise et du jade<\/h2>\n<ul>\n  <li><strong>De la turquoise\u00a0:<\/strong> l'amazonite pr\u00e9sente des veines blanches nettes, souvent en r\u00e9seau ou en bandes parall\u00e8les, tandis que la matrice de la turquoise est brune ou noire et ramifi\u00e9e. De plus, l'amazonite montre des clivages plats et brillants l\u00e0 o\u00f9 elle s'est \u00e9br\u00e9ch\u00e9e\u00a0; la turquoise non, car elle est microcristalline.<\/li>\n  <li><strong>Du jade\u00a0:<\/strong> le jade est beaucoup plus tenace \u2014 il ne s'\u00e9br\u00e8che pas \u2014 et a un \u00e9clat huileux, presque savonneux. L'amazonite est plus froide et vitreuse.<\/li>\n  <li><strong>Du verre\u00a0:<\/strong> la couleur du verre est uniforme et l'on voit souvent des bulles\u00a0; l'amazonite a toujours une structure zon\u00e9e.<\/li>\n<\/ul>\n\n<figure class=\"wp-block-image size-full\" style=\"max-width:1000px;margin:1.8rem auto;\"><img src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" data-src=\"https:\/\/staging2.cicala.it\/wp-content\/uploads\/2026\/10\/02_6cdebe_762a225fef944143b53f0e51f3e11e12-mv2.jpg\" alt=\"Bijoux avec amazonite mont\u00e9s sur or jaune\" width=\"1000\" height=\"529\" loading=\"lazy\" decoding=\"async\" class=\"wp-image-232117 lazyload\" style=\"width:100%;height:auto;aspect-ratio:1000\/529;contain:none;display:block;margin:0 auto;\"><noscript><img src=\"https:\/\/staging2.cicala.it\/wp-content\/uploads\/2026\/10\/02_6cdebe_762a225fef944143b53f0e51f3e11e12-mv2.jpg\" alt=\"Bijoux avec amazonite mont\u00e9s sur or jaune\" width=\"1000\" height=\"529\" loading=\"lazy\" decoding=\"async\" class=\"wp-image-232117\" style=\"width:100%;height:auto;aspect-ratio:1000\/529;contain:none;display:block;margin:0 auto;\" srcset=\"https:\/\/cicala.it\/wp-content\/uploads\/2026\/10\/02_6cdebe_762a225fef944143b53f0e51f3e11e12-mv2.jpg 1000w, https:\/\/cicala.it\/wp-content\/uploads\/2026\/10\/02_6cdebe_762a225fef944143b53f0e51f3e11e12-mv2-445x235.jpg 445w, https:\/\/cicala.it\/wp-content\/uploads\/2026\/10\/02_6cdebe_762a225fef944143b53f0e51f3e11e12-mv2-600x317.jpg 600w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/noscript><figcaption class=\"wp-element-caption\" style=\"text-align:center;font-size:.92em;opacity:.8;margin-top:.4rem;\">L'amazonite se marie bien avec l'or jaune\u00a0: le contraste la met en valeur.<\/figcaption><\/figure>\n<h2>Traitements<\/h2>\n<p>L'amazonite de bonne qualit\u00e9 n'a pas besoin de traitements, mais sur le mat\u00e9riau commercial plus poreux, on utilise des cires et des impr\u00e9gnations de r\u00e9sines pour uniformiser la surface et raviver la couleur. C'est une pratique courante, stable et l\u00e9gitime, qui doit \u00eatre d\u00e9clar\u00e9e\u00a0; cependant, la cire craint la chaleur et les solvants, et peut s'opacifier avec le temps.<\/p>\n\n<h2>Comment l'entretenir<\/h2>\n<p>Eau ti\u00e8de et savon neutre, chiffon doux. \ud83d\udd34 Les ultrasons sont \u00e0 \u00e9viter\u00a0: les vibrations agissent sur les plans de clivage et, sur les pierres cir\u00e9es, peuvent \u00e9galement enlever le traitement. Elle se conserve s\u00e9par\u00e9e des gemmes plus dures. En bague, mieux vaut un chaton\u00a0: c'est une pierre qui supporte mal les chocs sur les ar\u00eates.<\/p>\n\n<figure class=\"wp-block-image size-full\" style=\"max-width:1000px;margin:1.8rem auto;\"><img src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" data-src=\"https:\/\/staging2.cicala.it\/wp-content\/uploads\/2026\/10\/04_6cdebe_d968afbeacab4296ac2de9d02f7deddf-mv2.jpg\" alt=\"Bague avec amazonite pos\u00e9e sur une table\" width=\"1000\" height=\"529\" loading=\"lazy\" decoding=\"async\" class=\"wp-image-232118 lazyload\" style=\"width:100%;height:auto;aspect-ratio:1000\/529;contain:none;display:block;margin:0 auto;\"><noscript><img src=\"https:\/\/staging2.cicala.it\/wp-content\/uploads\/2026\/10\/04_6cdebe_d968afbeacab4296ac2de9d02f7deddf-mv2.jpg\" alt=\"Bague avec amazonite pos\u00e9e sur une table\" width=\"1000\" height=\"529\" loading=\"lazy\" decoding=\"async\" class=\"wp-image-232118\" style=\"width:100%;height:auto;aspect-ratio:1000\/529;contain:none;display:block;margin:0 auto;\" srcset=\"https:\/\/cicala.it\/wp-content\/uploads\/2026\/10\/04_6cdebe_d968afbeacab4296ac2de9d02f7deddf-mv2.jpg 1000w, https:\/\/cicala.it\/wp-content\/uploads\/2026\/10\/04_6cdebe_d968afbeacab4296ac2de9d02f7deddf-mv2-445x235.jpg 445w, https:\/\/cicala.it\/wp-content\/uploads\/2026\/10\/04_6cdebe_d968afbeacab4296ac2de9d02f7deddf-mv2-600x317.jpg 600w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/noscript><\/figure>\n<h2>Histoire<\/h2>\n<p>L'amazonite est l'une des pierres ornementales les plus anciennes\u00a0: des perles et amulettes en amazonite ont \u00e9t\u00e9 trouv\u00e9es en \u00c9gypte \u2014 elles apparaissent \u00e9galement parmi les trousseaux fun\u00e9raires \u2014 et en M\u00e9sopotamie. Dans les civilisations anciennes, le vert-bleu \u00e9tait une couleur pr\u00e9cieuse, car elle \u00e9voquait l'eau et la v\u00e9g\u00e9tation, et les pierres qui la portaient \u00e9taient presque toujours consid\u00e9r\u00e9es comme propices.<\/p>\n\n<h2>Questions fr\u00e9quentes sur l'amazonite<\/h2>\n<dl>\n<dt><strong>L'amazonite vient-elle d'Amazonie\u00a0?<\/strong><\/dt><dd>Non. Les gisements sont en Russie, Madagascar, Br\u00e9sil (hors du bassin amazonien) et \u00c9tats-Unis. Le nom provient d'une confusion avec d'autres pierres vertes sud-am\u00e9ricaines.<\/dd>\n<dt><strong>La couleur s'estompe-t-elle\u00a0?<\/strong><\/dt><dd>Cela peut arriver avec une longue exposition \u00e0 la lumi\u00e8re solaire directe et \u00e0 la chaleur\u00a0: le vert-bleu des feldspaths n'est pas parmi les plus stables. On \u00e9vite en la tenant loin des rebords de fen\u00eatre.<\/dd>\n<dt><strong>Peut-on la porter tous les jours\u00a0?<\/strong><\/dt><dd>En collier ou boucles d'oreilles, oui. En bague, il vaut mieux l'\u00e9valuer\u00a0: avec une duret\u00e9 de 6-6,5 et un clivage parfait, les chocs quotidiens se remarquent.<\/dd>\n<\/dl>\n\n<h2>Continuez \u00e0 explorer<\/h2>\n<ul>\n<li><a href=\"https:\/\/staging2.cicala.it\/fr\/encyclopedie-des-gemmes\/\">Encyclop\u00e9die des Gemmes\u00a0: toutes les pierres pr\u00e9cieuses<\/a><\/li>\n<li><a href=\"https:\/\/staging2.cicala.it\/fr\/turquoise-gemme-ciel-fortune\/\">La turquoise, avec laquelle elle est confondue<\/a><\/li>\n<li><a href=\"https:\/\/staging2.cicala.it\/fr\/jade-gemme-eternite\/\">Le jade, l'autre vert<\/a><\/li>\n<li><a href=\"https:\/\/staging2.cicala.it\/fr\/signification-couleurs-gemmes-histoire-symbolisme\/\">La signification des couleurs dans les gemmes<\/a><\/li>\n<\/ul>\n<\/article>\n","protected":false},"excerpt":{"rendered":"<p>Amazonite\u00a0: feldspath vert-bleu color\u00e9 par le plomb. Comment la distinguer de la turquoise et du jade, pourquoi le nom est trompeur, cires et soin du clivage.<\/p>\n","protected":false},"author":1,"featured_media":66897,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[11265],"tags":[11288],"class_list":["post-247318","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-encyclopedie-des-gemmes","tag-amazonite"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.3 (Yoast SEO v28.7) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Amazonite\u00a0: la pierre vert-bleu des Amazones<\/title>\n<meta name=\"description\" content=\"D\u00e9couvrez l&#039;amazonite, une gemme vert-bleu unique. 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