Amethyst Galleries
Amethyst Galleries: Mineral Gallery: The Mineral Topaz
This source provides general information on topaz. Some of the facts include classification, and physical charateristics.
Other
International Colored Gemstone Association: Topaz
This site gives a historical perspective of topaz, as well as its physical properties and where it is found. Also provides more information and pictures of the gem itself.
Wikimedia
Wikipedia: Topaz
This encyclopedia article from Wikipedia provides a general overview of the gemstone topaz. Liinks are provided for additional information on related subjects.
Lone Star Junction
Lone Star Junction: The Texas State Gemstone: Blue Topaz
Some facts about blue topaz, which is the state gemstone of Texas.
Jewelry Central
Jewelry Central: Topaz
This commercial site contains information about the physical and metaphysical properties of topaz, along with where it is found. Discusses the different color variations, and how this gem is enhanced to make it blue.
Other
Gem Hut: Sky Blue Topaz
A commercial site with a short description of the physical properties of topaz, and pictures of cut and polished stones for sale.
