Rocks, Crystals, and Gems : Including Diamonds, Precious Metals, Fossils, Igneous Rock and More! by Paul, Reynolds, Toby Calver
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Description
Learn about different types of rock, how crystals are formed, where gems can be found in the earth's crust, and more. Engaging text, detailed facts, impressive statistics, and a glossary gives children exciting scientific insight into rocks, crystals, gems...and the world around them.
