You might not know it, but the common stones you pass along when you go mountain hiking, river crossing, beach walking and even the ones you see in parking lots and other commercial establishment area do hold financial value not only as decorations but also as jewelry and for also industrial applications. In fact, there are a lot of people like "lapidaries" who make a living transforming rocks that are common into objects with good financial value. But don't just go picking rocks now as there are laws also regulating the collection of rocks. This book aims to give you some knowledge on the interesting and even profitable world of common rock collection and transformation...