Birthstones in the Yahoo! Directory

Amethyst Galleries: Birthstones
Descriptions and images of birthstones.
mineral.galleries.com/minerals/birthsto.htm
International Colored Gemstone Association: Birthstones
Find your birthstone, gem shopping tips, and gems of the rich and famous.
www.gemstone.org/gem-o-rama/gem-o-rama_birth.html
American Gem Society: Birthstones
Descriptions and images of birthstones by month and places of origin.
www.ags.org/consumers/Gift_Guide/birthstones.asp
MIStupid.com: Birthstones
Birthstones and flowers associated with each month.
mistupid.com/months/birthstone.htm
Molecular Expressions: Birthstone Collection
Birthstones Collection is built around a series of digital images made from photomicrographs of mineral thin sections that contain the selected gems.
www.microscopy.fsu.edu/birthstones/index.html
Coyle Wholesale Jewelers: Birthstones
Lists all the birthstones for each month.
www.cwjewelers.com/anniversary.htm#birth