HEATKEYS

Complete, up-to-date, mineral database containing 4,714 mineral species descriptions and comprehensive picture library of images. These data are linked to mineral tables by crystallography, chemical composition, physical and optical properties, Dana ...

The web

Explore the updated online encyclopedia from Encyclopaedia Britannica with hundreds of thousands of articles, biographies, videos, images, and web sites.

Definition of word from the Merriam-Webster Online Dictionary with audio pronunciations, thesaurus, Word of the Day, and word games.

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

Buy and sell electronics, cars, clothing, apparel, collectibles, sporting goods, digital cameras, and everything else on eBay, the world

Online Dictionary - Multiple dictionaries including: English dictionary, medical dictionary, legal dictionary, financial dictionary, computer dictionary, thesaurus, dictionary of acronyms and abbreviations, dictionary of idioms, thesaurus, Columbia e...

Amethyst Galleries

The Clay Minerals Society sponsors intellectually stimulating conferences and publishes a great journal to disseminate research on the unique nanomaterials represented by clays and clay minerals.

The Pacific Northwest National Laboratory in Richland Washington is a U.S. Department of Energy (DOE) government research laboratory. The Laboratory focuses on research and development related to waste management, environmental restoration, global en...