Collector's Guide to the Feldspar Group (Schiffer Earth Science Monographs)

This book explains how feldspar minerals are formed and the conditions that create the striking colors of amazonite, sunstone, and labradorite. It is illustrated with over 100 color photos and covers the chemistry, structure, and taxonomy of the minerals of the feldspar group. Detailed entries for each mineral provide locality information. The photos show what good specimens look like and which minerals are found with them.