Tourmaline Inclusion with Included Crystals in Kashmir Sapphire
A tourmaline inclusion in a Kashmir sapphire contains “daughter” crystal inclusions.
Irradiated and Dyed Akoya Pearls
The New York laboratory reports on a submission of pearls with a combination of irradiation and dye treatments.
Pearls from the Placunidae Family (Windowpane Oysters)
A report on windowpane oyster pearls analyzed in GIA’s laboratories.
Large Freshwater Cultured Pearls with Atypical Bead Nuclei
GIA’s New York laboratory reports on a submission of two pearl necklaces containing large, intensely colored cultured pearls with unique bead nuclei.
Fluorite in Brazilian Alexandrite
An octahedral fluorite crystal is observed in Brazilian alexandrite.
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