Other
State of New Jersey Occupational Health: Mercury
Information on mercury exposure sources, treatments symptoms and tests. Very readable.
Other
The image.com: Minerals
This is a very large list of minerals complete with image and physical descriptions, chemical descriptions, and classification.
Web Elements
Web Elements Periodic Table: Mercury
An excellent summary of basic information on mercury, including chemical and physical properties and uses.
Curated OER
The image.com: Minerals
This is a very large list of minerals complete with image and physical descriptions, chemical descriptions, and classification.