From volcanoes to vitamins, this book presents a wealth of factual information. It also explores past, more fanciful notions about how rocks, metals, and minerals fit into our human picture. In its pages, knowledge and imagination meet. Part I introduces a little basic geology. Part II focuses on the seven metals of the ancients, linked to the planets and days of the week, plus platinum and uranium. Part III delves into myths and legends about the power of gemstones. Part IV looks at the history and technology of mining, and its social and economic impact. A helpful glossary concludes this unique book that brings science and poetry together.