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Wikipedia: Sulfur
This site from the Wikipedia Encyclopedia provides information on atomic properties, physical properties and notable characteristics of sulfur can be found on this informative site. Links are provided for additional information.
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Sulfur Facts
Sulfur history, production, processing, properties, and sulfur uses are explained in this comprehensive site.
Amethyst Galleries
Native Sulfur
This informative site explains the reason behind the odor of sulfur. In addition, the physical characteristics of sulfur are listed and explained.