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In 1912, to standardize birthstones, the (American) National Association of Jewelers (now called Jewelers of America) met in Kansas and officially adopted a list. [1]: 317 The Jewelry Industry Council of America updated the list in 1952 [3]: 311 by adding Alexandrite for June, citrine for November and pink tourmaline for October.
Some tourmaline gems, especially pink to red colored stones, are altered by heat treatment to improve their color. Overly dark red stones can be lightened by careful heat treatment. The pink color in manganese-containing near-colorless to pale pink stones can be greatly increased by irradiation with gamma-rays or electron beams.
Gem mines in the Pala District still produce tourmaline, with the pink variety as the regional specialty. China’s Empress Dowager Cixi (1860-1908) was said to have valued the pink tourmaline of Pala to be used for carving buttons and other fashion accessories which fueled a boom for pink tourmaline lasting from about 1901–1911. [4]
Scientifically called "blue zoisite", the gemstone was renamed as tanzanite by Henry B. Platt, a great-grandson of Louis Comfort Tiffany and a vice president of Tiffany & Co., [17] who wanted to capitalize on the rarity and single location of the gem and thought that "blue zoisite" (which might be pronounced like "blue suicide") would not sell ...
Jeanne Vaccaro, a scholar and curator from Kansas, always wanted to become a bumper sticker person. For years, she collected stickers from artists, musicians and bookstores, but she kept them away ...
Kunz, although he must have been upset by the snub, according to tradition, promptly obtained a quantity of the reports for personal distribution, had them bound in a kunzite-pink cloth, and had his name stamped on the title page and cover!" Pages 36–44 give a summary of the diamond occurrences in California. Kunz, George Frederick.
Blackpink’s Rosé embraced coquette fashion Thursday night when she dressed up in a pretty, pink Zimmermann minidress with Tiffany & Co. jewelry to fête the launch of the jeweler’s Tiffany ...
Rubellite is the red or pink variety of tourmaline and is a member of elbaite. Rubellite is also the rarest gem in its family. [2] It is occasionally mistaken for ruby. [3] These gems typically contain inclusions. [4] Notable countries where rubellite can be mined include Afghanistan, Brazil, Madagascar, Myanmar, Nigeria, Russia, and the United ...