Gemological Institute of America6年
宝石鑑別（Gem Identification）ラボ クラス
GIAの著名な宝石学専門家も使用している、実績ある手法と鑑別技術を学びます。使用する機器は、顕微鏡、偏光フィルターと取り外し可能な拡大接眼レンズ付き屈折計、屈折率（RI ...
Gemological Institute of America9年
宝石学についてのおすすめの書籍
（1989年）Handbook of Gem Identification（宝石鑑別ハンドブック）、 第12版、改訂、GIA 、カリフォルニア州サンタモニカ Nassau, Kurt. （1980年）Gems Made by Man（人口宝石）、 Chilton（チルトン）、ペンシルバニア州ラドナー Nassau, Kurt. （1994年）Gemstone Enhancement ...
GitHub1年
Kusalani/Gem-Identification-and-Price-Prediction-System
Provide gem recommendations to industry stakeholders (IT 20 7090 20 ... In conclusion, the development of a system that automates the gemstone identification and price prediction process is expected ...
GitHub1年
Muditha0829/Gem-Identification-and-Price-Prediction-System
Provide gem recommendations to industry stakeholders (IT 20 7090 20 ... In conclusion, the development of a system that automates the gemstone identification and price prediction process is expected ...
LondonWorld on MSN2 日
Discover millions of years old Jurassic fossils and rare gemstones at The London Gem ...
This November, The London Gem & Mineral Show returns to Sandown Park Racecourse, Esher, offering a rare opportunity to ...
Indiatimes28 日
GEM Enviro Management Change In Corporate Identification Number (CIN)
Prior to its listing, GEM Enviro Management shares were trading with a Grey Market Premium (GMP) of Rs 70 in the unlisted market. The IPO, comprising entirely of a fresh equity issue of 59.9 lakh ...