a guide to familiar minerals, gems, ores, and rocks
Zim, Herbert Spencer
An identification guide to the most common kinds of rocks and minerals that describes and illustrates their physical and chemical properties, their origin, their geologic and economic significance, and where and how to collect them.
Presents illustrated facts on rocks and minerals, covering the geologic forces that create the different kinds, their variety and characteristics, and their collection and use throughout history, and includes hands-on explorations.
An introduction to rocks and fossils that provides information on different types of rock, explains how rocks change and erode, and includes a look at fossils, paleontology, prehistoric plants, and other related topics.