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Rock on!: Gems: Earth's Most Valuable Treasures!
Rock on Gems Earth's Most Valuable Treasures
Author: C. J. McDonald
The world's most valuable and rare treasures are found in the earth just beneath your feet. — The beauty beneath us — What makes a mineral a gem? — Beauty under pressure — How to measure minerals — Rough and ready — Some for the record — Strange-but-true stories : deadly gemstones — The perfect cut — Polishing your gems — Color them amazing — Strange-b...  more »
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ISBN-13: 9781338166255
ISBN-10: 1338166255
Publication Date: 2017
Pages: 48
Rating:
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Publisher: Scholastic
Book Type: Paperback
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