The “Montana Queen” Sapphire
Blue-Green Pyrope-Spessartine Garnet with High Vanadium
Garnets with a unique color and a previously unreported chemical composition are examined at GIA’s Carlsbad lab.
Update on Mozambique Ruby Mining and Trading
Current activity and production at various sites around Mozambique are reported.
Multi-Color-Zoned Quartz from Brazil
Yellow, Green, and Blue Sapphires Reportedly from Antang and Gombe, Nigeria
Nineteen sapphires of various colors, reportedly from sources in northern Nigeria, are studied in GIA’s Tokyo laboratory.
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