Additional Resources

Amethyst Mineral Gallery describes over 600 mineral species and 5,000 specimens. The descriptions include searchable mineralogical data, plus other information of interest to students and rock hounds.

The Earth Science World Image Bank is a service provided by the American Geosciences Institute (AGI) designed to provide quality geoscience images to the public, educators, and the geoscience community.

The Global Positioning System (GPS) is a constellation of 31 satellites which is used for navigation and precise geodetic position measurements.

The ICA is a worldwide body specifically created to benefit the global colored gemstone industry by advancing and promoting the knowledge and appreciation of colored gemstones.

IRIS is a consortium of over 120 US universities dedicated to the operation of science facilities for the acquisition, management, and distribution of seismological data.

Dealers specializing in world class independently graded American Gemological Laboratories (AGL) Burma ruby and sapphire, Burma spinel, Colombian emerald, collector gems and Gemological Institute of America (GIA) graded fancy colored diamonds.

Check out these two different Smithsonian Collections: Gems and Minerals and Global Volcanism Program.

The mission of the University of California Museum of Paleontology is to investigate and promote the understanding of the history of life and the diversity of the Earth’s biota through research and education.

This site includes information about volcanoes, their activity, and how they form and erupt.

A site for photos and info on minerals. (It was last updated in 2012, so keep that in mind.)