In this science worksheet, 4th graders respond to questions pertaining to gems and fossils. Students answer ten questions which give clues and visual aids to assist in answering.

What an exciting lab experiment to conduct with your high school chemistry class! Crystals are formed naturally in the environment. However, allow your blossoming chemists to create their own unique crystals using alum and...

Students discover the characteristics of polyhedra. Through hands-on activities and interactive videos, students investigate and retrieve information on polyhedra and crystal structures. Students study angles and symmetry. They...

In this earth science worksheet, students find the vocabulary words related to minerals by unscrambling the letters. They also complete other word puzzles.

This site is filled with information on the mineral quartz. General information, images, physical properties, and resources are also included.

Photos of the principal gemstones produced in the United States, including an introduction to historical and other background information for each one.

A gem is a precious or semiprecious stone that has been cut, polished, engraved, or otherwise altered to be used as a personal insignia for making sealings or as decoration. Often imported from afar, ancient gems were truly exotic, and...

This article discusses different varieties of quartz that are used as gemstones. A general description of each is given, including its historical background and physical makeup. This page is part of an excellent, detailed website about...

This commercial site contains general information on various synthetic and natural gemstones and provides links to specific gems.

A detailed description of amethyst, including its physical properties and the more noteworthy locations it is mined.

Learn all about gemstones at this site. Here you can view gem images and read the very detailed descriptions and general information facts pertaining to select gems.

An interesting, brief discussion of the gem and mineral agate, including its physical properties and historical uses.

Wikipedia provides a general overview of the ornamental stone, the amethyst. Content includes a focus on its physical characteristics, history, and role in folklore.

This site has a concise definition of jasper along with pictures and connections to related sites.

This site gives information on onyx's history, mystical background, and physical appearance. Also includes further information and pictures of the gem itself.

This page gives brief, general information on onyx, including its history, physical characteristics, and metaphysical properties. Commercial web site.

A commercial site that contains a brief paragraph about agates and photographs of some varieties.