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 ...

An up-to-date periodic table with detailed but easy to understand information

READE Advanced Materials. Chemicals. Manufacturer, custom processor, and global distributor of value added specialty chemical solids. Sales offices in RI, NV and Republic of Panama.

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WikiAnswers: Questions and Answers from the Community

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This online unit conversion tool will help you convert measurement units anytime and solve homework problems quickly using metric conversion tables, SI units, and more.

ChemSpider is a free chemical structure database providing fast access to over 26 million structures, properties and associated information.

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

Visit this site to learn about the Periodic Table and chemical elements. All you need to know about the Periodic Table. A comprehensive educational resource and guide for students on the Standard Periodic Table of elements and their Atomic numbers.

Online shopping from the earth's biggest selection of books, magazines, music, DVDs, videos, electronics, computers, software, apparel & accessories, shoes, jewelry, tools & hardware, housewares, furniture, sporting goods, beauty & person...

A community website for Contemporary / Modern Daguerreotypes