HEATKEYS

An interactive reference guide to rocks, minerals, and gemstones.

On line Gemology Course, learn how to grade and identify gemstones, diamonds and colored stones. Get hands on experience using real gems.

Buy Gemstones Online. Loose Semi-Precious and Precious Stones: Sapphire, Spinel, Topaz, Garnet, Tourmaline, Opal, Emerald, Ruby, Amethyst and Birthstones

About Geology includes everything from outer space to the Earth

Geology and Earth Science current events, news, articles, dictionary, satellite images, career information, reference maps, and more.

If you are looking for beautiful but reasonable priced beads and gemstones, this site should be your first choice. Holygemstone.com provides all kinds of beads and gemstones, including amazonite, aquamarine, amethyst, agate, aventurine, chalcedony, c...

LinkedIn strengthens and extends your existing network of trusted contacts. LinkedIn is a networking tool that helps you discover inside connections to recommended job candidates, industry experts and business partners.

JTV.com® offers the largest selection of fine jewelry and loose gemstones in the world at up to 80% off retail prices.

The web

Your doorway to fine jewelry, gemstones, rare mineral specimens, stone spheres, Pewter and other gift items

wikiHow is a wiki based collaboration to build the world’s largest, highest quality how to manual. Our multilingual how to manual has free step-by-step instructions on how to do all types of things.