The History of the Pearl as the Most Valuable “Gem”
Released on J-STAGE: June 30, 2017 | 2017 Annual Meeting Pages 6
* Atsumi Yamada
Special Lecture - The world of rmeralds -
Released on J-STAGE: April 06, 2005 | 2004 Annual Meeting Pages 1
Dietmar Schwarz
Blue opal from Akase, Ishikawa, Japan
Released on J-STAGE: August 31, 2016 | 2016 Annual Meeting
* Ayano Nakajima, Masaki Furuya
Minerals in Toyama Prefectute, Japan
Released on J-STAGE: June 24, 2018 | 2018 Annual Meeting Pages 4-5
* Masaaki Shimizu
AI-based image recognition for jade identification
Released on J-STAGE: July 25, 2023 | 2023 Annual Meeting Pages 1-2
* Takahiko Ogawara
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