mineralogy, determinative

A guide to over 400 rocks and minerals.

Contains photographs and descriptions of over 250 rocks and minerals, provides background information on how and where they form, and includes tips for collectors.

Explains how to start and organize a rock collection and provides identification characteristics, physical and chemical descriptions, and geographical locations for 270 rocks and minerals.

Explains how to start and organize a rock collection; provides detailed descriptions of hundreds of minerals with information on geographic distribution, physical properties, chemical composition, and crystalline structures; and includes 385 color photographs.