The Dynamic Earth View Multimedia Version

Main Menu >  Gems and Minerals >  All About Gems >  What Makes a Gem Valuable?
TITLE: What Makes a Gem Valuable?

[Photo: World Map]

Gem-quality crystals have been found on every continent, but they are unevenly distributed. The chemical ingredients and physical conditions needed to create precious gems are found in only a few places on Earth. These are some of the major gem-producing countries; new sources are always being discovered.

Bottom Navigation Bar


Smithsonian National Museum of Natural History Department of Mineral Sciences website Credits