Minerals - Science Close-Up Author:Robert A. Bell, James Spence (Illustrator) Describes the nature and properties of minerals and examines some common examples. Colorful illustrations and interesting facts on each page. This is the kind of book to look at before that trip to the Natural History museum. Explains the varieties of quartz along with information about precious gemstones, their hardness and how they are cut. An... more » interesting book for your budding geologist and rock hunter.« less