What Are Gems? by Bobi Martin
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Description
Single or multicolored, smooth or multifaceted, gems of all kinds captivate people of all ages. This vibrant volume will teach the budding geology buff how a single mineral can form many varieties of gems, how some gems are actually created by animals, and why certain types of jewelry are so valuable. Young readers who might display their birthstones with pride will be fascinated to learn about the role gems have played in superstition. The use of gems in tools including lasers and saws is also covered. Readers will be mesmerized by both the beauty and versatility of these incredible stones.
