{"id":14952,"date":"2025-06-22T00:15:12","date_gmt":"2025-06-21T22:15:12","guid":{"rendered":"http:\/\/gioiellis.com\/?p=14952"},"modified":"2025-06-21T18:53:11","modified_gmt":"2025-06-21T16:53:11","slug":"alessandrite-pietra-camaleonte","status":"publish","type":"post","link":"https:\/\/gioiellis.com\/fr\/alessandrite-pietra-camaleonte\/","title":{"rendered":"Alexandrite, pierre cam\u00e9l\u00e9on"},"content":{"rendered":"<p><\/p>\n<h4>Alexandrite, une pierre qui change de couleur et est donc tr\u00e8s recherch\u00e9e. Et c&rsquo;est aussi l&rsquo;une des pierres du mois de juin. Le saviez-vous? &#x2666;<\/h4>\n<p>Belle journ\u00e9e, belle de nuit: non, n&rsquo;est pas Catherine Deneuve, mais une gemme rare, alexandrite, aussi connu comme la pierre cam\u00e9l\u00e9on, car il change de couleur selon la lumi\u00e8re \u00e0 laquelle il est expos\u00e9. L&rsquo;herbe verte sous le soleil, il devient rouge pourpre (framboise pour les plus beaux sp\u00e9cimens) pr\u00e8s d&rsquo;une lampe ou d&rsquo;une bougie, gr\u00e2ce aux inclusions de chrome et de fer, \u00e9l\u00e9ments qui sont respectivement, m\u00eame en rubis et saphirs. Malheureusement, l&rsquo;alexandrite ne retrouve pas souvent et pas de haute qualit\u00e9. Du point de vue de la gemmologie cette pierre est une vari\u00e9t\u00e9 de chrysob\u00e9ryl et les quelques exemplaires qu&rsquo;ils finissent dans les mains de collectionneurs de pierres pr\u00e9cieuses, plut\u00f4t que d&rsquo;\u00eatre utilis\u00e9 dans les bijoux. Lorsque un&rsquo;alexandrite est utilis\u00e9 pour bagues, colliers ou boucles d&rsquo;oreilles, g\u00e9n\u00e9ralement ont petites pierres pr\u00e9cieuses qui travaillaient auparavant \u00e0 peine d\u00e9passent le carat.<\/p>\n<figure id=\"attachment_64518\" aria-describedby=\"caption-attachment-64518\" style=\"width: 709px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/gioiellis.com\/wp-content\/uploads\/2016\/06\/anello-diamanti-alessandrite-1.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-64518\" src=\"https:\/\/gioiellis.com\/wp-content\/uploads\/2016\/06\/anello-diamanti-alessandrite-1.jpg\" alt=\"Anello con diamanti e alessandrite\" width=\"709\" height=\"709\" title=\"\" srcset=\"https:\/\/gioiellis.com\/wp-content\/uploads\/2016\/06\/anello-diamanti-alessandrite-1.jpg 709w, https:\/\/gioiellis.com\/wp-content\/uploads\/2016\/06\/anello-diamanti-alessandrite-1-300x300.jpg 300w, https:\/\/gioiellis.com\/wp-content\/uploads\/2016\/06\/anello-diamanti-alessandrite-1-55x55.jpg 55w, https:\/\/gioiellis.com\/wp-content\/uploads\/2016\/06\/anello-diamanti-alessandrite-1-145x145.jpg 145w\" sizes=\"auto, (max-width: 709px) 100vw, 709px\" \/><\/a><figcaption id=\"caption-attachment-64518\" class=\"wp-caption-text\">Bague avec diamants et alexandrite<\/figcaption><\/figure>\n<p><strong>Ils co\u00fbtent comme des diamants<\/strong>. Bien s\u00fbr, il ya des exceptions, qui sont \u00e9valu\u00e9s comme un diamant de la m\u00eame taille. Par exemple, les pierres ont des inclusions oeil de chat de plus de 4 carats. Les pierres pr\u00e9cieuses pures et les plus transparentes sont coup\u00e9s facettes, ceux avec des inclusions oeil de chat sont mont\u00e9s en cabochon.<\/p>\n<figure id=\"attachment_64514\" aria-describedby=\"caption-attachment-64514\" style=\"width: 709px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/gioiellis.com\/wp-content\/uploads\/2016\/06\/alessandrite-non-riscaldata-1.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-64514\" src=\"https:\/\/gioiellis.com\/wp-content\/uploads\/2016\/06\/alessandrite-non-riscaldata-1.jpg\" alt=\"Alessandrite: di giorno ha un colore blu petrolio, di sera i riflessi sono rossi\" width=\"709\" height=\"536\" title=\"\" srcset=\"https:\/\/gioiellis.com\/wp-content\/uploads\/2016\/06\/alessandrite-non-riscaldata-1.jpg 709w, https:\/\/gioiellis.com\/wp-content\/uploads\/2016\/06\/alessandrite-non-riscaldata-1-300x227.jpg 300w, https:\/\/gioiellis.com\/wp-content\/uploads\/2016\/06\/alessandrite-non-riscaldata-1-73x55.jpg 73w, https:\/\/gioiellis.com\/wp-content\/uploads\/2016\/06\/alessandrite-non-riscaldata-1-60x45.jpg 60w\" sizes=\"auto, (max-width: 709px) 100vw, 709px\" \/><\/a><figcaption id=\"caption-attachment-64514\" class=\"wp-caption-text\">Alexandrite : le jour elle a une couleur bleu p\u00e9trole, le soir les reflets sont rouges<\/figcaption><\/figure>\n<p><strong>Histoire<\/strong>. L&rsquo;alexandrite a \u00e9t\u00e9 d\u00e9couvert en Russie, dans l&rsquo;Oural, dans le milieu du XIXe si\u00e8cle, mais aujourd&rsquo;hui, ils sont \u00e9galement pr\u00e9sents au Sri Lanka, Zimbabwe, Birmanie, Br\u00e9sil, Etats-Unis, l&rsquo;Inde, Madagascar, Tanzanie, Tasmanie. Le plus grand alexandrite facettes et pesant 66 carats appartient \u00e0 l&rsquo;Institut Smithsonian \u00e0 Washington.<\/p>\n<p><strong>M\u00e9fiez-vous des contrefa\u00e7ons<\/strong>. Dans la circulation, il ya beaucoup d&rsquo;imitations de la gemme m\u00eame ou de corindon ou spinelles synth\u00e9tiques avec des propri\u00e9t\u00e9s de la alexandrite. Plus transparent que les formes naturelles, ils ont aussi des nuances diff\u00e9rentes: le changement va du rouge violet au bleu violet.<\/p>\n<figure id=\"attachment_58254\" aria-describedby=\"caption-attachment-58254\" style=\"width: 709px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/gioiellis.com\/wp-content\/uploads\/2017\/11\/anello-con-alessandrite-e-diamanti.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-58254\" src=\"https:\/\/gioiellis.com\/wp-content\/uploads\/2017\/11\/anello-con-alessandrite-e-diamanti.jpg\" alt=\"Anello con alessandrite: nell&#039;immagine, i due colori che assume secondo la luce che attraversa la pietra\" width=\"709\" height=\"552\" title=\"\" srcset=\"https:\/\/gioiellis.com\/wp-content\/uploads\/2017\/11\/anello-con-alessandrite-e-diamanti.jpg 709w, https:\/\/gioiellis.com\/wp-content\/uploads\/2017\/11\/anello-con-alessandrite-e-diamanti-300x234.jpg 300w, https:\/\/gioiellis.com\/wp-content\/uploads\/2017\/11\/anello-con-alessandrite-e-diamanti-71x55.jpg 71w\" sizes=\"auto, (max-width: 709px) 100vw, 709px\" \/><\/a><figcaption id=\"caption-attachment-58254\" class=\"wp-caption-text\">Bague avec alexandrite : sur l&rsquo;image, les deux couleurs qu&rsquo;elle prend selon le type de lumi\u00e8re qui traverse la pierre<\/figcaption><\/figure>\n<figure id=\"attachment_64516\" aria-describedby=\"caption-attachment-64516\" style=\"width: 709px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/gioiellis.com\/wp-content\/uploads\/2016\/06\/anelli-oro-giallo-alessandrite-1.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-64516\" src=\"https:\/\/gioiellis.com\/wp-content\/uploads\/2016\/06\/anelli-oro-giallo-alessandrite-1.jpg\" alt=\"Anelli in oro giallo, diamanti, alessandrite\" width=\"709\" height=\"490\" title=\"\" srcset=\"https:\/\/gioiellis.com\/wp-content\/uploads\/2016\/06\/anelli-oro-giallo-alessandrite-1.jpg 709w, https:\/\/gioiellis.com\/wp-content\/uploads\/2016\/06\/anelli-oro-giallo-alessandrite-1-300x207.jpg 300w, https:\/\/gioiellis.com\/wp-content\/uploads\/2016\/06\/anelli-oro-giallo-alessandrite-1-80x55.jpg 80w\" sizes=\"auto, (max-width: 709px) 100vw, 709px\" \/><\/a><figcaption id=\"caption-attachment-64516\" class=\"wp-caption-text\">Bagues en or jaune, diamants, alexandrite<\/figcaption><\/figure>\n<figure id=\"attachment_40610\" aria-describedby=\"caption-attachment-40610\" style=\"width: 709px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/gioiellis.com\/wp-content\/uploads\/2016\/07\/AlexandriteDiamond3StoneRing.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-40610\" src=\"https:\/\/gioiellis.com\/wp-content\/uploads\/2016\/07\/AlexandriteDiamond3StoneRing.jpg\" alt=\"Anello in oro bianco, diamanti e alessandrite\" width=\"709\" height=\"484\" title=\"\" srcset=\"https:\/\/gioiellis.com\/wp-content\/uploads\/2016\/07\/AlexandriteDiamond3StoneRing.jpg 709w, https:\/\/gioiellis.com\/wp-content\/uploads\/2016\/07\/AlexandriteDiamond3StoneRing-300x205.jpg 300w, https:\/\/gioiellis.com\/wp-content\/uploads\/2016\/07\/AlexandriteDiamond3StoneRing-600x410.jpg 600w, https:\/\/gioiellis.com\/wp-content\/uploads\/2016\/07\/AlexandriteDiamond3StoneRing-81x55.jpg 81w\" sizes=\"auto, (max-width: 709px) 100vw, 709px\" \/><\/a><figcaption id=\"caption-attachment-40610\" class=\"wp-caption-text\">Bague en or blanc, diamants et alexandrite<\/figcaption><\/figure>\n<figure id=\"attachment_35653\" aria-describedby=\"caption-attachment-35653\" style=\"width: 709px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/gioiellis.com\/wp-content\/uploads\/2013\/08\/alessandrite.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-35653\" src=\"http:\/\/gioiellis.com\/wp-content\/uploads\/2013\/08\/alessandrite.jpg\" alt=\"Anello con alessandrite\" width=\"709\" height=\"463\" title=\"\" srcset=\"https:\/\/gioiellis.com\/wp-content\/uploads\/2013\/08\/alessandrite.jpg 709w, https:\/\/gioiellis.com\/wp-content\/uploads\/2013\/08\/alessandrite-300x196.jpg 300w, https:\/\/gioiellis.com\/wp-content\/uploads\/2013\/08\/alessandrite-600x392.jpg 600w, https:\/\/gioiellis.com\/wp-content\/uploads\/2013\/08\/alessandrite-84x55.jpg 84w, https:\/\/gioiellis.com\/wp-content\/uploads\/2013\/08\/alessandrite-220x145.jpg 220w\" sizes=\"auto, (max-width: 709px) 100vw, 709px\" \/><\/a><figcaption id=\"caption-attachment-35653\" class=\"wp-caption-text\">Bague avec alexandrite<\/figcaption><\/figure>\n<figure id=\"attachment_35654\" aria-describedby=\"caption-attachment-35654\" style=\"width: 709px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/gioiellis.com\/wp-content\/uploads\/2013\/08\/alessandrite-anello-2.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-35654\" src=\"http:\/\/gioiellis.com\/wp-content\/uploads\/2013\/08\/alessandrite-anello-2.jpg\" alt=\"Alessandrite: verde di giorno, rossa di sera\" width=\"709\" height=\"494\" title=\"\" srcset=\"https:\/\/gioiellis.com\/wp-content\/uploads\/2013\/08\/alessandrite-anello-2.jpg 709w, https:\/\/gioiellis.com\/wp-content\/uploads\/2013\/08\/alessandrite-anello-2-300x209.jpg 300w, https:\/\/gioiellis.com\/wp-content\/uploads\/2013\/08\/alessandrite-anello-2-600x418.jpg 600w, https:\/\/gioiellis.com\/wp-content\/uploads\/2013\/08\/alessandrite-anello-2-79x55.jpg 79w\" sizes=\"auto, (max-width: 709px) 100vw, 709px\" \/><\/a><figcaption id=\"caption-attachment-35654\" class=\"wp-caption-text\">Alexandrite : verte le jour, rouge le soir<\/figcaption><\/figure>\n<figure id=\"attachment_14954\" aria-describedby=\"caption-attachment-14954\" style=\"width: 712px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/gioiellis.com\/wp-content\/uploads\/2014\/08\/Smithsonian-Institute-alexandrite.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-14954\" src=\"http:\/\/gioiellis.com\/wp-content\/uploads\/2014\/08\/Smithsonian-Institute-alexandrite.jpg\" alt=\"L&#039;esemplare di alessandrite esposto allo Smithsonian Institute di Washington\" width=\"712\" height=\"513\" title=\"\" srcset=\"https:\/\/gioiellis.com\/wp-content\/uploads\/2014\/08\/Smithsonian-Institute-alexandrite.jpg 712w, https:\/\/gioiellis.com\/wp-content\/uploads\/2014\/08\/Smithsonian-Institute-alexandrite-300x216.jpg 300w, https:\/\/gioiellis.com\/wp-content\/uploads\/2014\/08\/Smithsonian-Institute-alexandrite-76x55.jpg 76w\" sizes=\"auto, (max-width: 712px) 100vw, 712px\" \/><\/a><figcaption id=\"caption-attachment-14954\" class=\"wp-caption-text\">Le sp\u00e9cimen d&rsquo;alexandrite expos\u00e9 au Smithsonian Institute de Washington<\/figcaption><\/figure>\n<figure id=\"attachment_14955\" aria-describedby=\"caption-attachment-14955\" style=\"width: 712px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/gioiellis.com\/wp-content\/uploads\/2014\/08\/alexandriteCrhisties.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-14955\" src=\"http:\/\/gioiellis.com\/wp-content\/uploads\/2014\/08\/alexandriteCrhisties.jpg\" alt=\"Anello in oro e diamanti con alessandrite taglio cuscino sfaccettata di 7, 81 carati\" width=\"712\" height=\"513\" title=\"\" srcset=\"https:\/\/gioiellis.com\/wp-content\/uploads\/2014\/08\/alexandriteCrhisties.jpg 712w, https:\/\/gioiellis.com\/wp-content\/uploads\/2014\/08\/alexandriteCrhisties-300x216.jpg 300w, https:\/\/gioiellis.com\/wp-content\/uploads\/2014\/08\/alexandriteCrhisties-76x55.jpg 76w\" sizes=\"auto, (max-width: 712px) 100vw, 712px\" \/><\/a><figcaption id=\"caption-attachment-14955\" class=\"wp-caption-text\">Bague en or et diamants avec alexandrite taille coussin facett\u00e9e de 7,81 carats<\/figcaption><\/figure>\n<figure id=\"attachment_14956\" aria-describedby=\"caption-attachment-14956\" style=\"width: 712px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/gioiellis.com\/wp-content\/uploads\/2014\/08\/alexandrite-sintetica.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-14956\" src=\"http:\/\/gioiellis.com\/wp-content\/uploads\/2014\/08\/alexandrite-sintetica.jpg\" alt=\"Anelli con alessandrini sintetiche \" width=\"712\" height=\"513\" title=\"\" srcset=\"https:\/\/gioiellis.com\/wp-content\/uploads\/2014\/08\/alexandrite-sintetica.jpg 712w, https:\/\/gioiellis.com\/wp-content\/uploads\/2014\/08\/alexandrite-sintetica-300x216.jpg 300w, https:\/\/gioiellis.com\/wp-content\/uploads\/2014\/08\/alexandrite-sintetica-76x55.jpg 76w\" sizes=\"auto, (max-width: 712px) 100vw, 712px\" \/><\/a><figcaption id=\"caption-attachment-14956\" class=\"wp-caption-text\">Bagues avec alexandrins synth\u00e9tiques<\/figcaption><\/figure>\n<p><figure id=\"attachment_28679\" aria-describedby=\"caption-attachment-28679\" style=\"width: 709px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/gioiellis.com\/wp-content\/uploads\/2015\/09\/alex-Anello-in-oro-bianco-Alessandrite-tsavoriti-e-White-Diamonds.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-28679\" src=\"http:\/\/gioiellis.com\/wp-content\/uploads\/2015\/09\/alex-Anello-in-oro-bianco-Alessandrite-tsavoriti-e-White-Diamonds.jpg\" alt=\"Alex. Anello in oro bianco, alessandrite, tsavorite, diamanti bianchi\" width=\"709\" height=\"483\" title=\"\" srcset=\"https:\/\/gioiellis.com\/wp-content\/uploads\/2015\/09\/alex-Anello-in-oro-bianco-Alessandrite-tsavoriti-e-White-Diamonds.jpg 709w, https:\/\/gioiellis.com\/wp-content\/uploads\/2015\/09\/alex-Anello-in-oro-bianco-Alessandrite-tsavoriti-e-White-Diamonds-300x204.jpg 300w, https:\/\/gioiellis.com\/wp-content\/uploads\/2015\/09\/alex-Anello-in-oro-bianco-Alessandrite-tsavoriti-e-White-Diamonds-81x55.jpg 81w\" sizes=\"auto, (max-width: 709px) 100vw, 709px\" \/><\/a><figcaption id=\"caption-attachment-28679\" class=\"wp-caption-text\">Alex. Bague en or blanc, alexandrite, tsavorite, diamants blancs<\/figcaption><\/figure><\/p>","protected":false},"excerpt":{"rendered":"<p>Alexandrite, une pierre qui change de couleur et est donc tr\u00e8s recherch\u00e9e. Et c&rsquo;est aussi l&rsquo;une des pierres du mois de juin. Le saviez-vous? &#x2666; Belle journ\u00e9e, belle de nuit: non, n&rsquo;est pas Catherine Deneuve, mais une gemme rare, alexandrite, aussi connu comme la pierre cam\u00e9l\u00e9on, car il change de couleur selon la lumi\u00e8re \u00e0 laquelle il est expos\u00e9. L&rsquo;herbe verte sous le soleil, il devient rouge pourpre (framboise pour les plus beaux sp\u00e9cimens) pr\u00e8s d&rsquo;une lampe ou d&rsquo;une bougie, gr\u00e2ce aux inclusions de chrome et de fer, \u00e9l\u00e9ments qui sont respectivement, m\u00eame en rubis et saphirs. Malheureusement, l&rsquo;alexandrite ne<\/p>\n","protected":false},"author":6,"featured_media":110676,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[15454],"tags":[3415],"class_list":["post-14952","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-gems","tag-alessandrite","style--link-1"],"acf":[],"_links":{"self":[{"href":"https:\/\/gioiellis.com\/fr\/wp-json\/wp\/v2\/posts\/14952","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/gioiellis.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/gioiellis.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/gioiellis.com\/fr\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/gioiellis.com\/fr\/wp-json\/wp\/v2\/comments?post=14952"}],"version-history":[{"count":8,"href":"https:\/\/gioiellis.com\/fr\/wp-json\/wp\/v2\/posts\/14952\/revisions"}],"predecessor-version":[{"id":137021,"href":"https:\/\/gioiellis.com\/fr\/wp-json\/wp\/v2\/posts\/14952\/revisions\/137021"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/gioiellis.com\/fr\/wp-json\/wp\/v2\/media\/110676"}],"wp:attachment":[{"href":"https:\/\/gioiellis.com\/fr\/wp-json\/wp\/v2\/media?parent=14952"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/gioiellis.com\/fr\/wp-json\/wp\/v2\/categories?post=14952"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/gioiellis.com\/fr\/wp-json\/wp\/v2\/tags?post=14952"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}