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Activity

2024

• THE GROWTH HISTORY OF A SUBLITHOSPHERIC DIAMOND REVEALED BY 3D GROWTH ZONATION, INCLUSION MINERALOGY AND GEOBAROMETRY
  T164 Gem Minerals, Localities and Geological Significance
  Tuesday, 24 September 2024

  8:00 AM - 12:00 PM

  207A
• HIGH RESOLUTION LUMINESCENCE AND RAMAN 3D HYPERSPECTRAL IMAGING OF GEMSTONES
  T164 Gem Minerals, Localities and Geological Significance
  Tuesday, 24 September 2024

  8:00 AM - 12:00 PM

  207A

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2022

• COMPARING A 910 CARAT TYPE IIA DIAMOND WITH SMALLER CLIPPIR DIAMONDS
  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

• EXPLORATION IMPLICATIONS OF ISOTOPICALLY HEAVY IRON IN LARGE GEM TYPE IIA DIAMONDS
  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

• THE RELATIONSHIP BETWEEN GEM-QUALITY TYPE IIA AND TYPE IIB DIAMONDS
  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

• THE NEW NICKEL SULFIDE MINERAL CROWNINGSHIELDITE FOUND WITHIN A SUPERDEEP DIAMOND FROM LETSENG
  T288 Gemological Research in the 21st Century—Gem Minerals and Localities
  Wednesday, 25 September 2019

  1:30 PM - 5:30 PM

  Room 132ABC, North Building
• ANALYSIS AND IDENTIFICATION OF INCLUSIONS IN TYPE IIA PINK DIAMONDS
  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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2018

• CARBONATITIC MELT INCLUSIONS WITH CO2 AND CH4 IN HEALED CRACKS IN A DIAMOND
  T282 Gemological Research in the Twenty-First Century—Characterization, Exploration, and Geological Significance of Diamonds and Other Gem Minerals
  Wednesday, 7 November 2018

  1:30 PM - 5:30 PM

  Room 145

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2017

• THE 812-CARAT PURE TYPE IAB CONSTELLATION DIAMOND FROM KAROWE – PART OF AN EVEN LARGER ROUGH?
  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
• TYPE IIB BORON-BEARING DIAMONDS ARE SUPERDEEP DIAMONDS
  T20 Gemological Research in the 21st Century—Characterization, Exploration, and Geological Significance of Diamonds and other Gem Minerals
  Sunday, 22 October 2017

  8:00 AM - 12:00 PM

  Skagit 3

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2016

• A SUBLITHOSPHERIC MANTLE, METALLIC LIQUID ORIGIN FOR THE WORLD'S LARGEST GEM-QUALITY DIAMONDS
  T136 Gemological Research in the Twenty-First Century: Characterization, Exploration, and Geological Significance of Diamonds and Other Gem Minerals
  Monday, 26 September 2016

  1:30 PM - 5:30 PM

  Room 207