Discover the wonders of geology with Rock and Gem! This illustrated guide showcases Earth’s geological riches – from rocks and minerals to gems and fossils. Learn to identify over 450 specimens with stunning photos and detailed descriptions. Explore the history and folklore behind natural treasures such as the Hope diamond and Great Mogul emerald. Get practical advice on cutting, polishing, and displaying your finds. Produced in collaboration with the Smithsonian Institution, this guide is the ultimate portrait of Earth’s geological wonders
