g the word “minerals” in its broadest sense, Fifty Minerals that Changed the Course of History features the metals, alloys, rocks, and organic minerals and gemstones that humans have used as the building blocks of civilization.
The Pocket Book of Stones was created in response to demand from readers for a more portable version of Book of Stones. It is an ideal introduction for those new to the field, as well as an invaluable reference for well-versed readers.
