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Gemstone Articles
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A machine learning approach in ruby and sapphire origin determination
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5.91 Mb
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.pdf
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349
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วันที่ 30 เดือน September ปี 2567
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Irradiated Orange Sodalite
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0.55 Mb
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341
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วันที่ 23 เดือน September ปี 2567
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A RARE NATURAL FRESHWATER BLISTER
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0.42 Mb
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529
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วันที่ 2 เดือน July ปี 2567
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Unique orange sapphire with golden sheen effect reportedly from Kenya
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0.76 Mb
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677
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วันที่ 26 เดือน May ปี 2566
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Review of Rubies and Sapphires from Chanthaburi-Trat and Kanchanaburi Gem Fields, Thailand
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0.18 Mb
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797
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วันที่ 26 เดือน May ปี 2566
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2023-01-05: Faceted Purplish Orange Dumortierite
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0.30 Mb
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.pdf
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1,054
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วันที่ 11 เดือน January ปี 2566
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Jade imitations from Bangkok’s Yaowarat road
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0.93 Mb
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752
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วันที่ 13 เดือน December ปี 2565
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2022-03-02: The Study on CVD Synthetic Diamond from Various Producers
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0.53 Mb
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804
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วันที่ 2 เดือน March ปี 2565
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2022-03-02: Star Sapphire Doublets
File size :
1.81 Mb
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.pdf
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834
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วันที่ 13 เดือน December ปี 2565
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Gemological characterization of peridot from Pyaung-Gaung in Mogok, Myanmar
File size :
4.01 Mb
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.pdf
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735
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วันที่ 13 เดือน December ปี 2565
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นางนันทวัลย์ ศกุนตนาค
อดีตปลัดกระทรวงพาณิชย์
(29 มิ.ย. 2564 - ปัจจุบัน)
Email: rphusit@git.or.th
Tel: 0-2634-4999 633
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