The Simple Beauty and Everyday Energy of Tumble Stones Tumble stones are often the very first gemstones people encounter when beginning their collection. These small polished stones are created by smoothing rough gemstones in a tumbling process that reveals their natural color and beauty. Because they are affordable, durable, and easy to carry, tumble stones are considered one of the best gemstone forms for beginners . Despite their small size, tumble stones still carry the s