Dig into the world of geology with the Rock On! series! 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. Full-color photographs of brilliant diamonds, pearls, geodes, star sapphires,...
Format:Library Binding
Language:English
ISBN:1604537434
ISBN13:9781604537437
Release Date:January 2010
Publisher:Checkerboard Library
Length:32 Pages
Weight:0.55 lbs.
Dimensions:0.3" x 7.9" x 7.8"
Age Range:8 to 11 years
Grade Range:Grades 3 to 6
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