Mission: To promote innovative chemical
technologies that reduce or eliminate the use or generation of hazardous
substances in the design, manufacture, and use of chemical products.
Database of chemical properties,
searchable by chemical name, formula, CAS no., structure, ion energetics,
vibrational & electronic spectra, and molecular weight (National
Institute of Standards and Technology)
Mineral data for individual species; crystallography,
crystal structures, X-Ray powder diffraction, chemical composition, physical
and optical properties, Dana's New classification, Strunz classification,
mineral specimen images, & alphabetically.