There are over 2,000 identified natural minerals. Of them, less than 100 are considered gemstones, and, of those, only 16 have any perceived importance or value. We’re going through some of our ...

Gemology involves the study and identification of gemstones. Learn how investors can assess gemstone value and the risks ...

There are about 6,000 different types of minerals, but only a couple hundred are gemstones. Learn more about these special minerals and how someone like you can find your own gemstone. Science Trek is ...

This book provides a lucid introduction to the basics of gemmology. It familiarizes archaeologists, art historians and conservators with the science of gemstones and allows them to understand the ...