5256320
9781592237357
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Chances are, at different points of the day, you're standing right on top of buried treasure. That's because deep beneath the Earth's surface, valuable rocks, minerals and gemstones are being formed. Minerals & Gemstonesis an accessible and informative reference guide to more than 300 of the Earth's natural treasures, from simple sandstones to coveted lapis lazuli, jade, and diamonds. Learn what the Earth is made of, how its rocks were formed, and how minerals and gems are used today. Organized by internationally recognized classification groups, each entry includes a detailed color photograph and a key information table including specifications such as its luster, transparency, specific gravity, hardness, crystal habits, and associated minerals. Pocket-sized guide is convenient for fieldwork and school.Cook, David C. is the author of 'Minerals and Gemstones ', published 2007 under ISBN 9781592237357 and ISBN 1592237355.
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