Unearth the fascinating stories of the rocks and minerals beneath your feet Did you know that sand and mud are technically rocks or that there are 6,145 species of minerals? Rocks & Minerals brings you closer to more than 300 of the most beautiful and important rocks, minerals, crystals, and gemstones. Melding together science, technology, and culture, this fact-filled book will open your eyes to the varied geology all around us. Trace the natural treasures of Earth from their earliest formation to their myriad uses in the modern day. Discover the properties of flint used to form ancient tools and basalt that inspired folklore with its striking formations. With advice on finding rocks and minerals in a range of habitats, identification notes, and the inspiration to create your own collection, this is the ultimate rockhound's companion.