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Activity

2022

• CU AND FE CONTRIBUTIONS TO THE COLOR OF CUPRIAN TOURMALINE: CHALLENGE FOR PARAÍBA NAME JUDGEMENT
  T225 Gemological Research in the Twenty-First Century—Gem Minerals and Localities
  Wednesday, 12 October 2022

  8:00 AM - 12:00 PM

  503

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2021

• CHROMOPHORES OF PARAÍBA TOURMALINE IN VISIBLE RED AND NEAR INFRARED LIGHTS: CASE STUDY
  T190 Gemological Research in the 21st Century—Gem Minerals and Localities (Posters)
  Tuesday, 12 October 2021

  2:30 PM - 6:30 PM

  Exhibit Hall A