This wonderful book has become the standard pocket guide in the field. It is just what collectors need for quick and easy reference...and its newly updated prices make it invaluable. Both handy and beautiful, it shows over 500 pens and pencils in nearly full-size color photos and provides short hist[...]

Seeing fluorescent minerals up close for the first time is an exciting experience. The colors are so pure and the glow is so seemingly unnatural, that it is hard to believe they are natural rocks. Hundreds of glowing minerals are shown, including Aragonite, Celestine, Feldspar, Microcline, Picrophar[...]