A garnet's deep red color can easily be mistaken for a ruby by the untrained eye. However, garnets' color ranges from colorless to black to red and even green! They've been precious gems for many thousands of years, commonly found in metamorphic rocks. This volume introduces readers to the creation, structure, and properties of garnets. Dazzling photographs highlight the valuable gem as important geology topics are explained in an age-appropriate, understandable way. Fun fact boxes offer readers surprising bits of knowledge, such as garnets' use in sandpaper, and a graphic organizer allows readers to process this information in another way.