Already in its 9th edition, How to Tumble Rocks into Gems - Secrets of the Pros Revealed is a must-have for rock hounds who want to turn their rough rocks into shining gemstones. From explaining fundamental types of equipment to advice about selecting materials, this guidebook covers it all. Complete with information about fillers, abrasives, tumbler types (rotary and vibratory), and processing steps. Includes easy-to-follow illustrated charts. Turn rough rock into finished gemstones. Covers equipment, material selection, fillers, abrasives, and more. Focuses on stone and metal polishing. Guide to rotary and vibratory tumblers. Illustrated with charts in easy-to-follow style. Spiral-bound. 102 pages.
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