1BK17 Gemstone Tumbling, Cutting, Drilling & Cabochon Making – A Simple Guide to Finishing Rough Stones by Jim Magnuson with Val Carter.  Beginner Instructions, Professional Results!  Gemstones are naturally beautiful, but you can make them glisten and shine.  This beginner’s guide to all the techniques you need to know tumbling, cutting, face polishing and more.  By following the author’s simple approach, you’ll create finished stones worthy of displaying, selling or making into jewelry