Aaron Palke
Gemological Institute of America (GIA), Carlsbad, CA
Activity
2024
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GEMOLOGICAL CHARACTERIZATION OF EMERALDS FROM NORTH CAROLINA, UNITED STATES
T263 Gem Minerals, Localities and Geological Significance (Posters)Wednesday, 25 September 20248:00 AM - 5:30 PMHall D
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LARGE, GEM-QUALITY PRIMARY SAPPHIRES FROM THE FRENCH BAR SILL, MONTANA: IMPLICATIONS FOR THE ORIGINS OF ALLUVIAL MISSOURI RIVER SAPPHIRE
T164 Gem Minerals, Localities and Geological SignificanceTuesday, 24 September 20248:00 AM - 12:00 PM207A
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U-Pb GEOCHRONOLOGY OF GEM TSAVORITE AND DEMANTOID GARNET: IMPLICATIONS FOR HIGH-PRECISION GEOGRAPHIC ORIGIN DETERMINATION
T164 Gem Minerals, Localities and Geological SignificanceTuesday, 24 September 20248:00 AM - 12:00 PM207A
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NANOPARTICLES IN NATURAL BERYLLIUM-BEARING SAPPHIRES
T164 Gem Minerals, Localities and Geological SignificanceTuesday, 24 September 20248:00 AM - 12:00 PM207A
2022
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ORIGINS OF SECONDARY MONTANA SAPPHIRES: MELTS, MELTS, AND MORE MELTS
T225 Gemological Research in the Twenty-First Century—Gem Minerals and LocalitiesWednesday, 12 October 20228:00 AM - 12:00 PM503
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APPLYING THERMOMETRIC TECHNIQUES TO MONTANA SAPPHIRE MINERAL INCLUSIONS
T225 Gemological Research in the Twenty-First Century—Gem Minerals and LocalitiesWednesday, 12 October 20228:00 AM - 12:00 PM503
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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 LocalitiesWednesday, 12 October 20228:00 AM - 12:00 PM503
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SPECIAL COLORS AND OPTICAL EFFECTS OF OREGON SUNSTONE
T225 Gemological Research in the Twenty-First Century—Gem Minerals and LocalitiesWednesday, 12 October 20228:00 AM - 12:00 PM503
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COLOR ORIGIN OF COLOR CHANGE SAPPHIRE
T225 Gemological Research in the Twenty-First Century—Gem Minerals and LocalitiesWednesday, 12 October 20228:00 AM - 12:00 PM503
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CR3+ PHOTOLUMINESCENCE AND TRACE ELEMENT CORRELATIONS IN METAMORPHIC SAPPHIRE
T225 Gemological Research in the Twenty-First Century—Gem Minerals and LocalitiesWednesday, 12 October 20228:00 AM - 12:00 PM503
2021
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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 20212:30 PM - 6:30 PMExhibit Hall A
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SPECTROSCOPIC CHARACTERISTICS OF HEATED BLUE/VIOLET SPINELS: UV-VIS-NIR AND PHOTOLUMINESCENCE STUDY
T190 Gemological Research in the 21st Century—Gem Minerals and Localities (Posters)Tuesday, 12 October 20212:30 PM - 6:30 PMExhibit Hall A
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DISCOVERY OF A NEW GROUP OF SAPPHIRES FROM ROCK CREEK, MONTANA
T107 Gemological Research in the 21st Century—Gem Minerals and LocalitiesMonday, 11 October 20211:30 PM - 5:30 PMA107–A109
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VARIABLE OXYGEN ISOTOPE RATIOS FROM MONTANA CORUNDUM: IMPLICATIONS FOR PROTOLITH AND GENESIS OF IN SITU SIMS MEASUREMENTS
T107 Gemological Research in the 21st Century—Gem Minerals and LocalitiesMonday, 11 October 20211:30 PM - 5:30 PMA107–A109
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HOW TO CALCULATE COLOR FROM SPECTRA OF UNIAXIAL GEMSTONES
T107 Gemological Research in the 21st Century—Gem Minerals and LocalitiesMonday, 11 October 20211:30 PM - 5:30 PMA107–A109
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DIFFUSION MECHANISM OF CU IN THE GEM-QUALITY LABRADORITE FELDSPAR
T107 Gemological Research in the 21st Century—Gem Minerals and LocalitiesMonday, 11 October 20211:30 PM - 5:30 PMA107–A109
2020
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IRON OXIDE INCLUSIONS IN THE RAINBOW LATTICE SUNSTONE FROM AUSTRALIA
T208 Gemological Research in the 21st Century: Gem Minerals and LocalitiesThursday, 29 October 20201:30 PM - 5:30 PMMeeting Rooms
2017
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BLUE-GREEN PYROPE-SPESSARINE GARNET WITHOUT A COLOR CHANGE PHENOMENON: THE ROLE OF VANADIUM IN THE COLOR OF GARNETS
T172 Gemological Research in the 21st Century—Characterization, Exploration, and Geological Significance of Diamonds and other Gem Minerals (Posters)Monday, 23 October 20179:00 AM - 6:30 PMHalls 4EF