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Heated Corundum, the Remarkable Winston Red, and an Extraordinary Renaissance Jewel
Identification of Natural, Reconstructed, and Imitation Root Amber
Gem-Quality Spinel from Southern Malawi
Vibrantly Colored Gems
Bill Larson of Pala International reports a very strong AGTA Tucson show.
GIA 7 Pearl Value Factors: An Update on Nacre Classification
Rare Double Pseudomorph Ikaite-Calcite-Opal
Heliodor with a Large Schorl Inclusion
Liddicoatite Tourmaline from Anjanabonoina, Madagascar
Sapphires from Australia
An overview of Australia's recent significance in the production of blue sapphire.
Ammolite: Iridescent Fossilized Ammonite from Southern Alberta, Canada
Zigzag Fingerprint in Sri Lankan Sapphire
Fiber-optic illumination reveals rectilinear zigzag-patterned films with vibrant colors in a blue sapphire.
