What are crystals and how do they form? How are crystals related to minerals, and what are their properties? This book answers these questions and many more about cool crystals. From their unique structure to the most popular types of crystals in the world, everything readers need to know is covered!

Understanding crystals -- Gorgeous gems -- The big truth: can crystals be deadly? : how can the minerals they are in make you sick? -- Crystals and gems at work -- Working with crystals and gems -- Think like a scientist -- Grow crystals at home! -- True statistics.