Research Article Search Results
Iridescent Gems Cut from Hinge Ligament of South Sea Pearl Oyster (Pinctada maxima)
Emeralds and Beryl from Kazakhstan and Ukraine
The 3309 cm–1 Series in Sapphire and Ruby: A Focus on FTIR Peak Position Variation
Investigates the correlations between peak positions in the 3309 cm–1 series with trace element concentrations for ruby, metamorphic and basalt-related blue sapphire, and laboratory-grown sapphire.
Dendritic Patterns in Emerald
Rose-Shaped Cloud Inclusion in Diamond
CVD Laboratory-Grown Gem Diamonds from Plasmability
CVD-Grown Diamond with an Unusual Blue Band
Eighth Annual Gianmaria Buccellati Foundation Award Winner
Gems Keep Giving
Natural Non-Nacreous Pearls from Various Marine Mollusks
The Bangkok laboratory studies 35 loose non-nacreous pearls from a wide range of marine mollusk species.
Emeralds in Catherine de’ Medici’s Pendant: An Unexpected Geographic Origin
Archival research and gemological characterization reveal the geographic origin of two emeralds set in a pendant linked to Catherine de’ Medici, Queen of France from 1547 to 1559.
