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KEWAYO Diamond Drill Bit Set, Glass Gemstone Metal with 2.35mm Bur Shank for Jewelry,Glass,Stone,Ceramic,Gemstones Lapidary Pack of 30 - Amazon.com
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Gemstone Tumbling, Cutting, Drilling & Cabochon Making: A Simple Guide to Finishing Rough Stones: Magnuson, Jim, Carver, Val, Wood, Carol: 9781591934608: Amazon.com: Books
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