{"id":38399,"date":"2024-06-05T20:43:23","date_gmt":"2024-06-05T18:43:23","guid":{"rendered":"https:\/\/ssef.ch\/?p=38399"},"modified":"2024-06-10T17:34:26","modified_gmt":"2024-06-10T15:34:26","slug":"too-good-to-be-true-ssef-measures-against-fraudulent-gem-scams","status":"publish","type":"post","link":"https:\/\/www.ssef.ch\/de\/too-good-to-be-true-ssef-measures-against-fraudulent-gem-scams\/","title":{"rendered":"Too good to be true: SSEF measures against fraudulent gem scams"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"38399\" class=\"elementor elementor-38399\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-4ae10602 elementor-section-boxed elementor-section-height-default elementor-section-height-default qodef-backgound-letter-holder-no qodef-elementor-content-no\" data-id=\"4ae10602\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-112861b6\" data-id=\"112861b6\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-d11d662 elementor-widget elementor-widget-text-editor\" data-id=\"d11d662\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>First published in <a href=\"https:\/\/www.ssef.ch\/wp-content\/uploads\/2024\/05\/facette-2024-web.pdf\" target=\"_blank\" rel=\"noopener\">Facette 29<\/a> (May 2024)<\/strong><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-9e6d368 elementor-section-boxed elementor-section-height-default elementor-section-height-default qodef-backgound-letter-holder-no qodef-elementor-content-no\" data-id=\"9e6d368\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-ff43db1\" data-id=\"ff43db1\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-23dcc20 elementor-widget elementor-widget-image\" data-id=\"23dcc20\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"1000\" height=\"666\" src=\"https:\/\/www.ssef.ch\/wp-content\/uploads\/2024\/06\/326_Fig_1_low-quality-stones-jpg.webp\" class=\"attachment-large size-large wp-image-38407\" alt=\"\" srcset=\"https:\/\/www.ssef.ch\/wp-content\/uploads\/2024\/06\/326_Fig_1_low-quality-stones-jpg.webp 1000w, https:\/\/www.ssef.ch\/wp-content\/uploads\/2024\/06\/326_Fig_1_low-quality-stones-300x200.webp 300w, https:\/\/www.ssef.ch\/wp-content\/uploads\/2024\/06\/326_Fig_1_low-quality-stones-768x511.webp 768w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Figure 1: Two heavily fractured and treated (coloured) stones recently submitted to SSEF for testing. Photo: L. Phan, SSEF.<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a521df8 elementor-widget elementor-widget-text-editor\" data-id=\"a521df8\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\tFrom time to time, the SSEF receives so-called \u2018gems\u2019 of very low quality for testing with the request for a SSEF Gemstone Report. Many of these materials are heavily fractured minerals or even rocks, which on top are treated or worked to give them a \u2018gemmy\u2019 appearance, at least to the credulous and nai\u0308ve treasure hunter. Examples of such material are so-called \u2018gigantic pearls\u2019, which in fact regularly turn out to be shell pieces from the giant Tridacna clam, cut and polished to resemble a natural pearl (see Facette 2017, page 21), reconstructed artefacts made of lead glass fused with corundum fragments, or heavily fractured stones impregnated with a colour dye pretending to be a colourful stone.\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7967c38 elementor-widget elementor-widget-image\" data-id=\"7967c38\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"1000\" height=\"353\" src=\"https:\/\/www.ssef.ch\/wp-content\/uploads\/2024\/06\/326_Fig_2_microphoto-jpg.webp\" class=\"attachment-large size-large wp-image-38413\" alt=\"\" srcset=\"https:\/\/www.ssef.ch\/wp-content\/uploads\/2024\/06\/326_Fig_2_microphoto-jpg.webp 1000w, https:\/\/www.ssef.ch\/wp-content\/uploads\/2024\/06\/326_Fig_2_microphoto-300x106.webp 300w, https:\/\/www.ssef.ch\/wp-content\/uploads\/2024\/06\/326_Fig_2_microphoto-768x271.webp 768w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Figure 2: Microphotos of the two stones seen in Figure 1, revealing the green (left) and blue (right) colour dye which was used to impregnate and fill the fissures of these initially greyish stones. Photos: M.S. Krzemnicki, SSEF<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ef5453d elementor-widget elementor-widget-text-editor\" data-id=\"ef5453d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\tWe were thus quite prepared for the worst, when a new client called us to announce that they would like to have a pair of gemstones examined and tested at SSEF, each of them above 700 ct (Figure 1). After submission, a quick visual check clearly established that these two stones were in fact heavily treated with all fissures filled with either a green or blue dye, trying to mimic emerald and sapphire (Figure 2). As is obvious from the microphotos, both stones were initially rather greyish opaque and not at all of gem-quality. Raman spectroscopy revealed their true mineralogical composition, being an aggregate of predominantly beryl for the green stone and predominantly cordierite for the blue stone.\n\nAs is well-known from numerous cases over the past few decades, such material is commonly used as part of financial fraud schemes. As such, the Swiss Gemmological Institute SSEF decided already about two decades ago that no written report is made for any stone\/material that does not fit our internal criteria for gem quality material. This also includes all rough stones. This is a protective measure against scams as the mere existence of a lab report from a reputed laboratory such as SSEF may be misused to fraudulently inflate the \u2018value\u2019 of such \u2018world- record\u2019 stones to grotesque levels. Recent examples can be easily found in newspapers and the media.\n\nTo summarize, the above pair of treated stones were returned to the client with a verbal explanation of their treatment status and consequently low quality, but no written document was issued by SSEF. The only exception for which SSEF would issue a written test report is if such an item is part of a court case and requires proper gemmological characterization.\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>From time to time, the SSEF receives so-called \u2018gems\u2019 of very low quality for testing with the request for a SSEF Gemstone Report. Many of these materials are heavily fractured minerals or even rocks, which on top are treated or worked to give them a \u2018gemmy\u2019 appearance, at least to the credulous and na\u00efve treasure hunter.<\/p>\n","protected":false},"author":3,"featured_media":38423,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[626],"tags":[731],"library_category":[],"library_author":[],"class_list":["post-38399","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-research-blog","tag-treatments"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Too good to be true: SSEF measures against fraudulent gem scams - SSEF<\/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.ssef.ch\/jp\/too-good-to-be-true-ssef-measures-against-fraudulent-gem-scams\/\" \/>\n<meta property=\"og:locale\" content=\"de_DE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Too good to be true: SSEF measures against fraudulent gem scams - SSEF\" \/>\n<meta property=\"og:description\" content=\"From time to time, the SSEF receives so-called \u2018gems\u2019 of very low quality for testing with the request for a SSEF Gemstone Report. 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