Rock on! A look at geology
Author
2) Groovy gems
Author
Publisher
ABDO Pub. Co
Pub. Date
c2010
Accelerated Reader
IL: MG - BL: 4.7 - AR Pts: 1
Language
English
Description
"Groovy Gems" introduces readers to what gems are and how they form, including mineral gems and organic gems. Chapters discuss crystal systems, imitation and synthetic gems, cultured pearls, how gems are used, and their importance throughout history. Sidebars introduce birthstones, precious metals, and conflict diamonds, while a colorful world map indicates where gems are found.
6) Super soils
Author
Publisher
ABDO Pub
Pub. Date
c2010
Accelerated Reader
IL: MG - BL: 4.4 - AR Pts: 1
Language
English