Photos and information about 80 common rock-forming, ore and gemstone minerals from around the world.

There are approximately 4000 different minerals, and each of those minerals has a unique set of physical properties. These include: color, streak, hardness, luster, diaphaneity, specific gravity, …

Hunt For Gems - Keep What You Find! There are over 100 mines in the United States where anyone can visit, pay a small fee, look for gems and minerals, and keep what they find. For a …

The best way to determine if water or ice are minerals is to compare their properties to the definition of the word mineral.

The best way to learn about minerals is to study with a collection of small specimens that you can handle, examine, and observe their properties. Inexpensive mineral collections are available in …

Fluorescent Minerals Fluorescent Minerals and rocks glow with spectacular colors under ultraviolet light.

An introduction to rocks and minerals with detailed photos, description and identification information. Sponsored by the National Audubon Society, the National Wildlife Federation, and …

Basalt is a dark-colored, fine-grained, igneous rock composed mainly of plagioclase and pyroxene minerals. It most commonly forms as an extrusive rock, such as a lava flow, but can also form …

The best way to learn about minerals is to study with a collection of small specimens that you can handle, examine, and observe their properties. Inexpensive mineral collections are available in …

Home » Minerals » Diamond Diamond ... Diamond Producers Diamond Production leaders include: Botswana, Russia, Angola and Canada.