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Pearl
Perfect shining spheres. Lustrous baroque forms. Seductive strands, warm to the touch. Pearls are simply and purely organic.
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Strong Pinkish Purple Freshwater Bead-Cultured Pearls
Spectral Characteristics of Pinctada Mazatlanica and Pinctada Margaritifera Pearl Oyster Species
Examination of shells from on P. mazatlanica proves the similarities between that species and P. margaritifera.
Winter 2011 G&G Lab Notes
Winter 2012 Gem News International
Chinese Freshwater Pearl Culturing, Overall Market Summary
Fine Corundum, Paraíba Tourmaline, and Alexandrite – Tucson 2014
Natural-Color Tanzanite and Yellow Sapphire – Tucson 2014
Enormous South Sea Cultured Pearl Filled with Cultured Pearls
An unusually large cultured pearl was filled with multiple cultured pearls, perhaps after the emergence of an original single-bead nucleus.
Microscopic Shells in Natural Pearls from Pinctada radiata
Two pearls from Bahrain containing minute shells are examined at GIA’s Mumbai laboratory.
Vibrantly Colored Gems
Bill Larson of Pala International reports a very strong AGTA Tucson show.
A Pearl Identification Challenge
Two pearls presented a unique challenge, as testing at three different gemological laboratories could not conclusively identify them as natural or cultured, determine a freshwater or saltwater growth environment, or specify the producing mollusk.
“Gran Dama” Brooch Featuring Large Melo Pearl
The centerpiece of this brooch is a 98.67 ct Melo pearl, believed to be one of the world's largest.
