Turquoise is a gem featured on both the mask of the Egyptian king Tutankhamen and in Native American jewelry. Clearly this precious stone has long been valued by human beings. This book focuses on the science behind the gem as well as its cultural importance. The accessible text is full of interesting facts and clear explanations about where turquoise comes from and how it's formed. Stunning photographs and a graphic organizer support and reinforce the main curricular concepts.