คำอธิบาย
With easy-to-follow instructions on how to extract, trim, preserve, store and exhibit gemstones and minerals, this guide does a superb job of introducing beginners to the science of field collecting.Featuring clear and interesting illustrations,?Field Collecting Gemstones and Minerals?covers the fundamental aspects of mineral collecting, including how to plan for trips, read topographic maps and use various tools on your hunt for new specimens.