crystals

An exploration of crystals that covers what they are, where they are found, how they grow, their uses, and more. Includes audio, videos, activities, weblinks, slideshows, transparencies, maps, quizzes, and supplementary resources.

An exploration of crystals that covers what they are, where they are found, how they grow, their uses, and more. Includes audio, videos, activities, weblinks, slideshows, transparencies, maps, quizzes, and supplementary resources.

This book is an introduction to crystals, telling how they are formed, the different types, and how they are used.

An exploration of crystals that covers what they are, where they are found, how they grow, their uses, and more.

Molly's day turns from totally wonderful to totally horrible when her classmates are not interested in the special crystal she has brought to school, until Miss Plumberry steps in to help.

Presents a photographic introduction to crystals and gems, explaining what they are and how they form, discussing color, identification, recovery, carving, and value, and looking at specific types of gems.

Examines how different types of crystals form, change, erode, and are used around the world.

Describes how crystals, semiprecious stones, and precious metals form in nature, how crystals are grown artificially, and how crystals are used in industry.

Jen, a Gelfling, sets out on a dangerous journey to find a powerful crystal's missing shard and take back his planet from the evil Skeksis. Includes making-of documentaries, character drawings, and deleted scenes.

"Kristoff and Sven take Anna, Elsa, and Olaf to Troll Valley for a special ceremony under the magical Northern Lights. But when Kristoff's friend Little Rock needs help, they set out on a grand adventure"--Back cover.