You don't have to be a jeweler or gemologist to tell a ruby from red glass or a good sapphire from a bad one. The Ruby and Sapphire Buying Guide will show you h

Often dubbed the "crystals bible," this comprehensive reference guide to the spiritual and healing qualities of 455 sacred stones has become the go-to book for

The most complete book ever on the corundum gems, ruby & sapphire. Covers all the history, crystallography, physics, chemistry, geology, inclusions, treatments,

In 'A Hand-book of Precious Stones' by Meyer D. Rothschild, readers are taken on a comprehensive journey through the fascinating world of gemstones. The book no