Gemological Institute of America

Recent papers from Gemological Institute of America

1. Red beryl gemstone is a U-Pb geochronometer with implications for Be explorationGeology · 2026
2. High precision water quantification by Raman spectroscopy: Applications to volcanic and extraterrestrial samplesChemical Geology · 2026
3. An updated and expanded Type classification scheme for diamonds based on FTIR spectroscopic dataAmerican Mineralogist · 2026
4. The current state of the First Sea Fortress ruins and geotechnical analysisJapanese Geotechnical Journal · 2026
5. Mass dependence of Cr isotope diffusion in olivine: Effect of valence state and implications for inter-mineral isotope fractionation during coolingEarth and Planetary Science Letters · 2026
6. Formation of black opal in the pegmatites from Volyn (Ukraine) – an example for interaction of silica with organic matterEuropean Journal of Mineralogy · 2026
7. Trace Elements and Inclusions in Fine-Grained Corundum from Rock Creek, Montana: Application to Exploration and Gemological Research Sampling in Volcanic TerranesThe Canadian Journal of Mineralogy and Petrology · 2026
8. Chemo-dynamical reconstruction of Milky Way globular cluster progenitors: Age–metallicity relations and the universality of multiple stellar populationsAstronomy and Astrophysics · 2026
9. A Nondestructive Sr/Ca‐Based Indicator for Distinguishing Seawater and Freshwater PearlsJournal of the Chinese Chemical Society · 2026
10. Development of CCMb : A Low‐Mg Calcite Reference Material for In Situ Measurement of δ ¹⁸ O , δ ¹³ C and Selected Trace ElementsGeostandards and Geoanalytical Research · 2026
11. Genesis of Morphologically Distinct Quartz in Shale and Implications for Reservoir Pore and Fracture Systems: A ReviewACS Omega · 2026
12. Revealing the True Nature of Chrysocolla: From Macro- to Nano-Characterization and First Thermodynamic ConstraintsAmerican Mineralogist · 2026
13. Geochemistry of the Wyoming Craton from eclogite and pyroxenite xenoliths from the Aultman, Maxwell, and Schaffer kimberlites at the Colorado-Wyoming State LineLithos · 2025
14. Vaterite found in saltwater natural pearls from Pinctada Sp. mollusksThe Science of Nature · 2025
15. Onset of slab mantle melting in Earth’s lower mantle: Evidence from ferropericlase in superdeep diamondsScience Advances · 2025
16. Trace element and U-Pb-Hf isotopic systematics of kimberlitic zircons: Classification, textures and implications for the origin of zircon “megacrysts” as antecrysts of variable antiquityChemical Geology · 2025
17. Surface polishing evaluation for faceted diamond2025
18. The Pace di Siena and its GemsJournal of Raman Spectroscopy · 2025
19. The first-formed hydrogen and nitrogen defects in natural diamondDiamond and Related Materials · 2025
20. Origin of an Emerald Cabochon from a Roman Estate at Gerace, SicilyThe Canadian Journal of Mineralogy and Petrology · 2025