Gemstones

'Gemstones of the World' is the most comprehensive and informative colour manual of the world's gemstones, illustrated by 1800 examples of stones, both rough and cut, in colour.

DK Smithsonian Rock and Gem: The Definitive Guide To Rocks, Minerals, Gems and Fossils Author: Ronald L. Bonewitz Publisher: DK Publishing ISBN:  978-0756633424 Page Count: 360 Publisher’s Description: A...