The first site related to diamonds comes from the American Museum of Natural History entitled The Nature of Diamonds (1). A comprehensive site, visitors can learn about what a diamond is, its related history, mining, industry and technology use, and more. The next site, offered by De Beers Industrial Diamonds (2), offers a history of industrial diamond use as well as a look at their various...

Gemstones are used to create jewelry and decorate objects. The chemistry of gemstones also reveals clues about the formation of our planet. On this recent episode of PBS's NOVA, available for free streaming on this website, visitors can learn more about the science behind gemstones. The documentary, part of a three-part series on "treasures of the earth," features interviews with a diverse group...