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Activity

2024

• CYCLOTRON IRRADIATION ON DIAMONDS
  T263 Gem Minerals, Localities and Geological Significance (Posters)
  Wednesday, 25 September 2024

  8:00 AM - 5:30 PM

  Hall D

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2021

• FANCY LIGHT BLUE DIAMONDS – A NEW TREATMENT
  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
• DISCOVERY OF DIAMONDS THAT CHANGE COLOR AT LIQUID NITROGEN TEMPERATURES
  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

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2020

• CL IMAGING STUDY OF A MIXED TYPE DIAMOND
  T208 Gemological Research in the 21st Century: Gem Minerals and Localities
  Thursday, 29 October 2020

  1:30 PM - 5:30 PM

  Meeting Rooms

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2019

• STUDY OF DIAMOND GROWTH BASED ON NICKEL DISTRIBUTION
  T269 Gemological Research in the 21st Century—Gem Minerals and Localities (Posters)
  Wednesday, 25 September 2019

  9:00 AM - 6:30 PM

  Hall AB, North Building

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2017

• NICKEL RELATED ABSORPTION CAUSING GREEN COLOR IN HPHT GROWN SYNTHETIC DIAMOND
  T172 Gemological Research in the 21st Century—Characterization, Exploration, and Geological Significance of Diamonds and other Gem Minerals (Posters)
  Monday, 23 October 2017

  9:00 AM - 6:30 PM

  Halls 4EF
• IRRADIATED AND ANNEALED NATURAL PINK DIAMONDS
  T172 Gemological Research in the 21st Century—Characterization, Exploration, and Geological Significance of Diamonds and other Gem Minerals (Posters)
  Monday, 23 October 2017

  9:00 AM - 6:30 PM

  Halls 4EF

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2016

• DISTRIBUTION OF [SI-V]- DEFECT IN NATURAL TYPE IIA DIAMONDS
  T254 Gemological Research in the Twenty-First Century: Characterization, Exploration, and Geological Significance of Diamonds and Other Gem Minerals (Posters)
  Tuesday, 27 September 2016

  9:00 AM - 6:30 PM

  Exhibit Hall E/F