Rock tumbling is the ultimate makeover with incredible "before and afters." With the HST Rock Tumbling Guide, you'll learn how to polish rough rocks into smooth stones. This 12-page, full-color rock tumbling guide shows you how to tumble rocks. Get rock-tumbling instructions for a vibratory tumbler and a rotary tumbler.
Our rock tumbling manual teaches you the science behind rock tumbling and how to use a rock tumbler. The HST rock tumbling directions also show you how to determine the Mohs hardness of unknown rock types. Plus, you get experiment ideas and a glossary of rock tumbling terms.
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