Rock and Gem, The Earth's Treasures, Minerals and Jewelry is published monthly by Miller Magazines, Inc.  This has been one of our favorite magazines for years. The Rock and Gem magazine features articles on field trips, rocks, gemstones, minerals, articles for children, and a contest for "Craftsman of the Month". Click on the link for their web site with lots of information for the rock and gem business and or hobby and get your subscription coming.  www.rockngem.com