Provides a searchable database of mineral and gemstone descriptions, images, and specimens.

Systematic classification of minerals and searchable database.

Searchable mineral database with physical and chemical properties as well as locality information.

An online rock and mineral quiz/test, as well as a browsable online mineral database with descriptions and pictures.

Information about color in minerals and the spectroscopy of minerals (mineral absorption spectra).

Mineral software to catalogue collections and research mineral facts using the extensive knowledge base.

Searchable database of minerals and worldwide collecting localities. Languages: English, Deutsch

Information on all minerals in the world, including color photos, electron microscope photos and vibrational spectra. A special subsection is dedicated to minerals of Australia.

Information about the identification and study of minerals.

Extensive mineral database containing crystallography, chemical composition, physical and optical properties, Dana classification, Strunz classification, mineral name origins, mineral locality information, and alphabetical listing of all known valid mineral species.