Rocks & Minerals

The stimulating and healing effects of crystals and gemstones have been known for thousands of years. Today they are still widely used for their therapeutic...

Compact and easy-to-use, Nature Guide: Gems provides a thorough introduction and detailed, clearly illustrated profiles of hundreds of examples of precious ...

"...a pretty compendium of exceptionally fine full-color photos of a large variety of minerals and gemstones, some in their native matrixes or in a natural ...