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Inclusions in Enhanced / Treated Sapphire！ Incusions can tell us if the stone is natural or synthetic , if it has been treated and even where it came from. #gemstone #gemology #inclusion #sapphire #jewelry | GUILD Gem Laboratories
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Guild Gem Lab (Bangkok) ห้องปฏิบัติการ GUILD มีประสบการณ์ยาวนาน ทำงานเกี่ยวกับวิจัยเชิงวิชาการที่มีความเชี่ยวชาญและลึกซึ้งด้านการวิเคราะห์อัญมณี การประเมินคุณภาพ และการระบุแหล่งของอัญมณี ในปัจจุบันห้องปฎิบัติการ กิลด์ เจม แล็บ เปิดขึ้นหลายประเทศ นับตั้งแต่ปี ค.ศ.1980 เป็นเวลากว่า 40 ปี ที่มุ่งมั่นในการวิจัยการตรวจวิเคราะห์อัญมณีชนิดต่างๆ โดยเฉพาะการตรวจสอบวิธีการปรับปรุงคุณภาพพลอย และการระบุแหล่งที่มาของอัญมณี ได้แก่ มรกต ทับทิม และแซฟไฟร์ สีต่างๆ ด้วยความสำเร็จในด้านการสร้างระบบมาตรฐานในตลาดอัญ
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58K views · 227 shares | Relive the fieldtrip of the Gübelin Gem Lab geologist and gemmologist Klaus Schollenbruch to different gemstone mines in Pakistan. | Gubelin Gemmology | Facebook
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Mineral Identification - Denver Gem & Mineral Guild
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1.2K views · 20 reactions | Gübelin Gem Lab unveiled: Questions & Answers with Daniel Nyfeler, Managing Director of the Gübelin Gem Lab What is the role of a gemmological laboratory? Discover the properties that the Gübelin Gem Lab examines on a daily basis in gemstones. Don't miss out on the full interview on our YouTube channel: https://youtu.be/4s_Pl-KLMXc?si=FhCcIp3W5Iza1ZEU | Gubelin Gemmology | Facebook
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The Gübelin Gem Lab adheres to the most rigorous quality criteria when judging gemstones, especially when it comes to the most appreciated trade terms. One of Gübelin’s criteria for a ruby to qualify for the coveted term ‘pigeon blood red’ is the absence of eye-visible inclusions. Large rubies with no eye-visible inclusions are almost unheard of, so with increasing size, rubies, which fulfil also this restrictive clarity criterion, are increasingly rare. Alone the interpretation of such criteria
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