"From molten-hot rock and smouldering volcanoes to icy glaciers and bubbling springs, this . . . compendium unlocks the mysteries of our living, breathing planet Earth"--BTCat.
Provides information on over 130 gemstones found around the world, including descriptions, properties, and uses; and offers more than nine hundred photographs, fifty drawings and diagrams, and maps.
Provides a close-up view of various types of rocks and minerals and describes their origins, the effects they have on the landscape, and how they have been used.
Presents precious stones of the world explaining how they were formed along with their physical properties. Describes the formation of diamonds and colorful gemstones and classifies them carefully along with noting their location, history and fame.
Provides an introduction to the study of geology; explains how Earth fits into the solar system; discusses how activity within the planet creates movement on the surface, such as occurs with earthquakes and volcanoes; considers the impact of weather cycles on Earth; and looks at how human activities affect the planet.
An illustrated guide to the identification, properties, and use of gemstones that describes more than 130 varieties of gemstones and explains the geology, chemistry, and properties of gems.
