This is a definitive compact guide to rocks, minerals, crystals and gemstones - for every rockhound and budding gemologist! From primeval origins to their astonishing modern-day uses and appeal, this is the ultimate portrait of Earth's buried treasures - rocks, minerals, crystals and gems - produced[...]

The new DK "Nature Guides" form a comprehensive, accessible, and informative series of illustrated reference books that tackle key natural history subjects in DK's uniquely visual style. Produced in collaboration with expert consultants at the Smithsonian Institution, each guide is expertly written [...]