National Geographic Precious Rocks Gems and Minerals
Precious Rocks, Gems and Minerals is an amazing collection to share with all the family!
• Discover the most fascinating rocks, gems and minerals of our planet, including amethyst, rose quartz, blue agate, tiger’s eye, emerald, …
• Learn how to identify them, how they were formed and where to find them in every issue of your magazine, and in the comprehensive A-Z cards that accompany the collection.