Collection
Fifty Minerals that Changed the Course of History
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 Book of Stones
The Book of Stone’s presentation is straightforward enough to make it an excellent introduction for beginners, yet the level of detail and the depth of research make it an invaluable resource for the most experienced stone practitioners.
