Earth Science Book - Gemstones

Humans have long held an interest in the bright, colorful crystals we call gemstones. Throughout history, they have been used as decorations, folk remedies, and currency. Readers will discover how gemstones are formed, how they get their incredible colors, and what sets them apart from other minerals.

Inside you will find:

- Why some gemstones are more valuable than others.

- A timeline, photos - and how gemstones are formed.

- Surprising true facts that will shock and amaze you!