Turquoise Planet Earth
Zigzag Fingerprint in Sri Lankan Sapphire
Fiber-optic illumination reveals rectilinear zigzag-patterned films with vibrant colors in a blue sapphire.
Gemological Characteristics of Coated Jadeite Jade
Star Aquamarine
Two Pearls of Indian Cultural Significance
Ancient Script-Like Serpentine in Brown Peridot
Internal World of Aquamarine from Xinjiang
“Fishbone” Inclusion in a Burmese Peridot from Mogok
Sapphire from Montana’s Secondary Deposits, Colombian Emerald Morphology, the 2023 Tucson Shows, and More…
Brenda Smith Jewelry Designs
Rare Double Pseudomorph Ikaite-Calcite-Opal
Enormous Cat’s-Eye Aquamarine
Exceptional Gemstone Acquisitions by the Kreis Family
Forsterite in a Purple Tanzanian Spinel
Yellow Topaz from Germany, Emerald Mining in Austria’s Habachtal Region, a Return to Tucson, and More…
Blue Sapphire Lord of the Rings Pendant
Mercury Free Mining Pilot Program
Star Topaz from Vietnam
Cat's-Eye Demantoid and Brown Andradite with Horsetail Inclusions
The examination of two unusual garnets results in identifications issued for the first time in GIA's colored stone report records.
Low-Temperature Heat Treatment of Pink Sapphires from Ilakaka, Madagascar
Studies the effects of low-temperature heat treatment on inclusions in this gem material, as well as the use of FTIR spectroscopy to detect the treatment.
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