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1) Organic gems
Author
Series
Language
English
Formats
Description
This title explains what organic gems are, how and where they form in nature, and why they are set apart from inorganic gemstones
Author
Series
Language
English
Description
"Investigate Gems introduces readers to what gems are and how they form, including mineral gems and organic gems. Learn about crystal systems, imitation and synthetic gems, cultured pearls, how gems are used, and their historic importance. A geology-themed project provides the opportunity for hands-on experience. Other features include a table of contents, fun facts, infographics, sidebars, map, and an index. Aligned to Common Core Standards and correlated...
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