- David Cottrell
Gemstone Tumbling, Cutting & Drilling: A Simple Guide to Finishing & Polishing Rough Stones
Beginner Instructions, Professional Results! Gemstones are naturally beautiful, but you can make them glisten and shine. This beginner’s guide covers all the techniques you need to tumbling, cutting, face polishing and more. By following the authors’ simple approach, you’ll create finished sto
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