Rocks and Minerals Author:Joel Arem Contents Include: The Study of Minerals and Rocks; Crystals and Their Properties; The Properties of Minerals; Classifying Minerals; Gems and Gem Minerals; Rocks and Rock Formations; Table of Chemical Elements; Table of Minerals; Index. — "...Thoroughly researches, carefully written in plain language, and replete with hundreds of specially created... more » full-color illustrations, these durable books are equally adaptable for general reading or just plain browsing, as guidebooks, or as source material for student papers..."« less