ROCKS & MINERALS

ROCKS & MINERALS

Dept. of Mineral Sciences

"The Smithsonian Institution mineral and gem collection consists of approximately 350,000 mineral specimens and 10,000 gems, making it one of the largest of its kind in the world. Meteorites, rocks, ores, gems, and minerals databases can be searched from the Mineral Sciences Collection Search page."

Gemological Institute of America

GIA's mission is to ensure the public trust in gems and jewelry by upholding the highest standards of integrity, academics, science, and professionalism through education, research, laboratory services, and instrument development.

Mineralogy Database

Descriptions of minerals with images and links.

Overview of Production of Specific U.S. 

Gemstones

Created by the U.S. Bureau of Mines, "this overview presents historical and reference information on the principal gemstones and their production in certain States."

Rocks

This National Geographic website provides basic information about rocks.

Rocks & Minerals

Created by the USGS, this site contains information on various rocks, minerals, naming igneous rocks, a glossary, and rock classification chart.

UC Berkeley Alphabetical Mineral Reference.