ChemGlobe: Magnesium
Electronic, thermal, and steric data along with basic information.
ChemicalElements.com: Magnesium
Basic information, atomic structure, and table of isotopes.
EnvironmentalChemistry.com: Magnesium
Atomic structure, chemical and physical properties, and table of nuclides.
It's Elemental: Magnesium
Basic physical and historical information.
LANL: Magnesium
History, properties, uses, compounds, and handling.
Lenntech: Magnesium
Physical data, chemical properties, health and environmental effects.
Magnesium
Explains the functions of magnesium in the human body, list of food sources, and how to eat enough in diet.
Magnesium Dietary Mineral
Facts on mineral such as functions, recommended dosage, food sources, and list of deficiency signs.
Magnesium, Nutrition and Health
A 5 page review on magnesium
Medline Plus- Magnesium in Diet
Description of mineral including major functions, food sources, and deficiency signs.
Radiochemistry of Magnesium
Full text of the monograph by A. W. Fairhall (Dept. of Chemistry, University of Washington, Seattle, Washington). [PDF] (January, 1961)
The multifaceted and widespread pathology of magnesium deficiency
Medical Hypotheses (2001) 56(2), 163–170
USGS Minerals Information: Magnesium
Statistics and information on the worldwide supply, demand, and flow of the element (PDF format).
Visual Elements: Magnesium
Image, general and physical information, source, uses, key isotopes, and ionisation energies.
WebElements: Magnesium
Extensive information on history, uses, occurrence, compounds, and properties of the element.
Wikipedia: Magnesium
Properties of the element, including its history, applications, and characteristics.