Mineralogy of Quartz
Learn about the composition, structure, and physical properties of quartz crystals.

Q & A About Quartz Crystals
You will find some interesting questions and answers about quartz crystals.

Quartz Crystals
Pictures of various quartz crystals are accompanied by some descriptive information.

Man Made Quartz Crystals
Information is provided on the synthetic preparation of quartz crystals.

Experiments You Can Do
This section suggests some experiments to do with quartz crystals.

What Is Synthetic Quartz Crystals
This Japanese site provides a history and characteristics of synthetic quartz crystals.  It gives a description of how they are produced and rated.  There are links to product descriptions which might be considered advertising but also provide ideas as to the practical usage of these crystals.

CPD History
This is a history of the use of quartz crystals in communications equipment.