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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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Spectral Characteristics of Natural-Color Saltwater Cultured Pearls from Pinctada Maxima
Natural-color saltwater cultured pearls (SWCPs) from Pinctada maxima were studied using UV-Vis-NIR and PL spectroscopy to better understand the mechanisms of their coloration and to separate them from other SWCPs with similar natural colors.
Cultured Pearl Farming and Production in the Federated States of Micronesia
The current production of cultured pearls from the black-lipped pearl oyster (Pinctada margaritifera) in the Federated States of Micronesia includes mostly beaded as well as blister and nonbead-cultured pearls in a wide array of colors.
Summer 2012 Gem News International
A compilation of gem news from around the world, covering topics such as localities, unusual gem materials, market news, new products, discoveries, jewelry manufacturing techniques, and industry trends.
Update on the Identification of Dye Treatment in Yellow or “Golden” Cultured Pearls
Dye treatments in yellow or “golden” cultured pearls have improved to the point that some samples show little surface evidence.
Winter 2010 Gem News International
A compilation of gem news from around the world, covering topics such as localities, unusual gem materials, market news, new products, discoveries, jewelry manufacturing techniques, and industry trends.
Gem Localities of the 2000s
The past decade saw some impressive discoveries of diamonds and colored stones.
Update on Ametrine from the Yuruty Mine, Bolivia
A compilation of gem news from around the world, covering topics such as localities, unusual gem materials, market news, new products, discoveries, jewelry manufacturing techniques, and industry trends.
Winter 2009 Gem News International
A compilation of gem news from around the world, covering topics such as localities, unusual gem materials, market news, new products, discoveries, jewelry manufacturing techniques, and industry trends.
The Color Durability of “Chocolate Pearls” by Ballerina Pearl Co.
Seven Chocolate Pearls supplied by Ballerina Pearl Co. and 12 untreated Tahitian cultured pearls (for comparison) were exposed to conditions of consumer care and wear.
Continuity and Change in Chinese Freshwater Pearl Culture
Farmers have experimented with bead nucleation, but until recently the methods tried did not produce the quantity or quality necessary for economic success.
Identification of “Chocolate Pearls” Treated by Ballerina Pearl Co.
Treated cultured pearls with a “chocolate” coloration have entered the market from several sources.
Cultured Pearls from the Gulf of California, Mexico
This article provides an overview of the history of natural and cultured pearls from Mexico, describes pearl culturing at the Guaymas farm, and focuses on the properties of bead-nucleated cultured pearls from P. sterna.
