Looking for a fun, inexpensive way to turn ordinary rocks into dazzling gemstone creations? Polishing rocks using walnut shells is an easy hobby that produces stunning results. Unlike harsh abrasives that can damage stones, walnut shells are a gentle media that smoothly polish rough edges and imperfections. And you can do it all with supplies readily available at your local … [Read more...] about Polishing Rocks with Walnut Shells: A Fun and Inexpensive Hobby