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“Rainbow Lattice” from Australia
One of the most striking materials encountered in the Riverpark Inn (Pueblo) Gem Show was “rainbow lattice.”
Rare Emerald from China and Pink Sapphire from Sri Lanka
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.