Sapphire refers to the blue variety of corundum. However, excluding ruby, it encompasses all other gem varieties of corundum. In essence, ruby is really a red sapphire, since ruby and sapphire are identical in all properties except color. Sapphire is the most precious of blue gemstones.

If you really want to know more about sapphire, sapphire jewelry, and the sapphire industry in general, be sure and check out some of these pages and links.

You can learn about sapphires, sapphire history, famous sapphires, and more. In addition, there are links to books on sapphires for the sapphire enthuiast!