{"version":"1.0","provider_name":"SSEF","provider_url":"https:\/\/www.ssef.ch\/fr\/","title":"The Challenge: Identification of a Ramaura Synthetic Ruby - SSEF","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"JAK7XfzfW6\"><a href=\"https:\/\/www.ssef.ch\/fr\/the-challenge-identification-of-a-ramaura-synthetic-ruby\/\">The Challenge: Identification of a Ramaura Synthetic Ruby<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/www.ssef.ch\/fr\/the-challenge-identification-of-a-ramaura-synthetic-ruby\/embed\/#?secret=JAK7XfzfW6\" width=\"600\" height=\"338\" title=\"\u00ab\u00a0The Challenge: Identification of a Ramaura Synthetic Ruby\u00a0\u00bb &#8212; SSEF\" data-secret=\"JAK7XfzfW6\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script>\n\/*! This file is auto-generated *\/\n!function(d,l){\"use strict\";l.querySelector&&d.addEventListener&&\"undefined\"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!\/[^a-zA-Z0-9]\/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret=\"'+t.secret+'\"]'),o=l.querySelectorAll('blockquote[data-secret=\"'+t.secret+'\"]'),c=new RegExp(\"^https?:$\",\"i\"),i=0;i<o.length;i++)o[i].style.display=\"none\";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute(\"style\"),\"height\"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):\"link\"===t.message&&(r=new URL(s.getAttribute(\"src\")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener(\"message\",d.wp.receiveEmbedMessage,!1),l.addEventListener(\"DOMContentLoaded\",function(){for(var e,t,s=l.querySelectorAll(\"iframe.wp-embedded-content\"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute(\"data-secret\"))||(t=Math.random().toString(36).substring(2,12),e.src+=\"#?secret=\"+t,e.setAttribute(\"data-secret\",t)),e.contentWindow.postMessage({message:\"ready\",secret:t},\"*\")},!1)))}(window,document);\n\/\/# sourceURL=https:\/\/www.ssef.ch\/wp-includes\/js\/wp-embed.min.js\n<\/script>\n","thumbnail_url":"https:\/\/www.ssef.ch\/wp-content\/uploads\/2020\/11\/405_Fig-1_Ramaura-syn-ruby-jpg.webp","thumbnail_width":1100,"thumbnail_height":878,"description":"by Dr. Michael S. Krzemnicki, first published in&nbsp;Facette 22 (February 2016) Similar to fashion trends, gemmological issues challenging gem-testing laboratories have changed over time. In the 1980s, synthetic coloured stones threatened the trade. But since the early 1990s, the challenge has switched to treatment and disclosure issues, such as flux-assisted heating (of rubies mainly), fissure-filling [&hellip;]"}