Large Natural Quahog Pearl
A purple non-nacreous specimen is revealed to be a natural northern quahog pearl.
Color-Change Garnets from Tanzania
Striking Tanzanian garnets showing color shifting at the Riverpark Inn (Pueblo) show in Tucson.
Chrysocolla In Quartz
A gemological examination of chrysocolla in quartz from Tucson’s AGTA show.
Diamond in Diamond
A Fancy black round brilliant diamond has an inclusion that is revealed to be a natural diamond crystal.
Chinese Freshwater Pearl Culturing, Overall Market Summary
Ginger Garnet, “Fancy” Tanzanite
High-End Colored Gems
Gemstones and Jewelry Inspired By Nature
At AGTA, exquisite jewelry pieces inspired by natural scenes were on view.
New Production of Brazilian Emerald from Minas Gerais
Emerald from the Belmont and Montebello mines of Minas Gerais, Brazil seen at the GJX show in Tucson.
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