2022.10.16.辛堪克斯研討會(Sinkankas Symposium)雙講座翻譯-“亞歷山大變色石的地質與開採”+”變色寶石設計分享”。舉辦場地：台北X-Issues展演空間。
Photos from Taipei edition of GIA-AATC Translations from Sinkankas Symposium – “Overview of the Geology & Mining of Alexandrite” by Wim Vertriest & “Design with Color-Change Gemstones” by Niveet Nagpal. Event Date: 2022.10.16.
