{"id":12437,"date":"2018-07-05T11:37:01","date_gmt":"2018-07-05T09:37:01","guid":{"rendered":"http:\/\/www.goldor.ch\/?p=12437"},"modified":"2018-07-09T08:34:28","modified_gmt":"2018-07-09T06:34:28","slug":"un-volcan-qui-crache-des-pierres-precieuses","status":"publish","type":"post","link":"https:\/\/www.goldor.ch\/fr\/un-volcan-qui-crache-des-pierres-precieuses\/","title":{"rendered":"Un volcan qui crache des pierres pr\u00e9cieuses"},"content":{"rendered":"

L\u2019un des cinq volcans de l\u2019\u00eele de Hawa\u00ef, le Kilauea, l\u2019un des plus actifs du monde, est entr\u00e9 en \u00e9ruption au d\u00e9but du mois de mai 2018. Des milliers de personnes ont \u00e9t\u00e9 \u00e9vacu\u00e9es et les riverains affrontent des coul\u00e9es de lave, des pluies et des fum\u00e9es acides ainsi que de nombreuses autres manifestations de col\u00e8re du crat\u00e8re. Faible compensation, apr\u00e8s l\u2019explosion volcanique, on a trouv\u00e9 des pierres d\u2019un vert vif au milieu des gravats. Ce sont des olivines, mieux connues par les bijoutiers sous le nom de \u00abp\u00e9ridots\u00bb. Ce silicate cristallise lorsque le magma est expuls\u00e9. On retrouve souvent l\u2019olivine en tant qu\u2019inclusion dans d\u2019autres pierres comme le diamant, par exemple. Malheureusement pour les habitants de Hawa\u00ef, cette pierre fine n\u2019a pas une grande valeur marchande. (cdv)<\/p>\n

Photo: P\u00e9ridot du Pakistan, pierre ovale de 5.00 carats, avec la couleur caract\u00e9ristique
\nvert-jaune de cette vari\u00e9t\u00e9 d\u2019olivine. Photo: Chateau Peridot<\/h5>\n","protected":false},"excerpt":{"rendered":"

Apr\u00e8s l’eruption d’un volcan \u00e0 Hawa\u00ef, on a trouv\u00e9 des pierres d’un vert vif au milieu des gravats.\t\t<\/p>\nplus<\/a>","protected":false},"author":10,"featured_media":12434,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[281,252],"tags":[],"class_list":["post-12437","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news-fr","category-stones-fr"],"acf":[],"yoast_head":"\nUn volcan qui crache des pierres pr\u00e9cieuses - Gold'Or<\/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.goldor.ch\/fr\/un-volcan-qui-crache-des-pierres-precieuses\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Un volcan qui crache des pierres pr\u00e9cieuses - 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