Earth's hidden treasures
By: Sandra Downs.
Series: Exploring planet earth
Publisher: Twenty-First Century Books
Published: 1999
Place of publication: Brookfield, Conn
Language: eng
Number of pages: 64
Subjects: Minerals -- Juvenile literature.; Rocks -- Juvenile literature.; Rocks.; Minerals.
Description: Explains what rocks, minerals, and gemstones are found on the earth and how they are used by people.
Notes: Includes bibliographical references (p. 57-61) and index.