Publisher's Synopsis
- Minerals & Gemstones is 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.