{"id":215,"date":"2009-10-09T17:41:00","date_gmt":"2009-10-09T22:41:00","guid":{"rendered":"http:\/\/mardonjewelers.userblogs.ganoksin.coms\/?p=215"},"modified":"2009-10-09T17:41:00","modified_gmt":"2009-10-09T22:41:00","slug":"the-last-word-on-blue-sapphire","status":"publish","type":"post","link":"http:\/\/userblogs.ganoksin.com\/mardonjewelers\/gemstones\/the-last-word-on-blue-sapphire","title":{"rendered":"The Last Word on Blue Sapphire"},"content":{"rendered":"<div id=\"attachment_214\" style=\"width: 310px\" class=\"wp-caption alignnone\"><a href=\"http:\/\/userblogs.ganoksin.com\/mardonjewelers\/files\/2009\/10\/297ct-ceylon-sapphire2.jpg\"><img aria-describedby=\"caption-attachment-214\" loading=\"lazy\" class=\"size-medium wp-image-214\" src=\"http:\/\/userblogs.ganoksin.com\/mardonjewelers\/files\/2009\/10\/297ct-ceylon-sapphire2-300x209.jpg\" alt=\"2.97 ct. Ceylon Sapphire\" width=\"300\" height=\"209\" srcset=\"http:\/\/userblogs.ganoksin.com\/mardonjewelers\/files\/2009\/10\/297ct-ceylon-sapphire2-300x209.jpg 300w, http:\/\/userblogs.ganoksin.com\/mardonjewelers\/files\/2009\/10\/297ct-ceylon-sapphire2.jpg 550w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><p id=\"caption-attachment-214\" class=\"wp-caption-text\">2.97 ct. Ceylon Sapphire<\/p><\/div>\n<p>In the <a href=\"http:\/\/www.mardonjewelers.com\/blog\/gemstones\/what-is-the-best-color-for-blue-sapphire-part-4\/#more-1147\">final installment<\/a> of our series on how to evaluate the color of blue sapphires, we examine various ways to choose color, including personal preference, grading, science, and market price. The most controversial issue is whether or not the sapphire has been heat treated.\u00a0 We briefly review the history of heat treatments of sapphire and ruby, with special emphasis on the highly successful heat treatment of Geuda sapphire and its impact on the gem trade. Also mentioned are surface diffusion, beryllium diffusion, and glass filling. We end with a discussion of how treatments effect the price of sapphire.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the final installment of our series on how to evaluate the color of blue sapphires, we examine various ways to choose color, including personal preference, grading, science, and market price. The most controversial issue is whether or not the sapphire has been heat treated.\u00a0 We briefly review the history of heat treatments of sapphire [&hellip;]<\/p>\n","protected":false},"author":113,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[6,7],"tags":[29,112,116,134,240],"_links":{"self":[{"href":"http:\/\/userblogs.ganoksin.com\/mardonjewelers\/wp-json\/wp\/v2\/posts\/215"}],"collection":[{"href":"http:\/\/userblogs.ganoksin.com\/mardonjewelers\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/userblogs.ganoksin.com\/mardonjewelers\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/userblogs.ganoksin.com\/mardonjewelers\/wp-json\/wp\/v2\/users\/113"}],"replies":[{"embeddable":true,"href":"http:\/\/userblogs.ganoksin.com\/mardonjewelers\/wp-json\/wp\/v2\/comments?post=215"}],"version-history":[{"count":0,"href":"http:\/\/userblogs.ganoksin.com\/mardonjewelers\/wp-json\/wp\/v2\/posts\/215\/revisions"}],"wp:attachment":[{"href":"http:\/\/userblogs.ganoksin.com\/mardonjewelers\/wp-json\/wp\/v2\/media?parent=215"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/userblogs.ganoksin.com\/mardonjewelers\/wp-json\/wp\/v2\/categories?post=215"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/userblogs.ganoksin.com\/mardonjewelers\/wp-json\/wp\/v2\/tags?post=215"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}