The Complete Guide to Petoskey Stones Author:Bruce Mueller, William H. Wilde The Complete Guide to Petoskey Stones is the authoritative guide for everyone who visits northern Michigan and can't wait to comb the beautiful beaches in search of Michigan's official state stone, the Petoskey. This book dispels myths about the Petoskey and reveals the true facts of this ancient fossilized coral. Instructive pict... more »ures and maps keep Petoskey fans on track every step of the way while guiding them to the best places to find the stone, including those favored by local Petoskey stone hunters and collectors. Once you've found a piece of the prized Michigan fossil, The Complete Guide to Petoskey Stones leads you through the many methods of polishing that bring this beautiful stone to life.« less