magnesium

The definition of magnesium is one of the most abundant elements on the face of the Earth.

Facts About Magnesium

• Magnesium's atomic symbol is Mg and it is the eighth-most plentiful element in the Earth's crust.
• Its ions are essential in all living things and it is the second-most plentiful ion in seawater.
• It is never found naturally in its elemental form on Earth because of its reactivity. It is always found combined with other minerals.
• Over a hundred different minerals hold magnesium. Magnesium silicate is found in talc, which is used commonly in body powders and as lubricants.
• Muscle and nerve function depend upon magnesium, as does heartbeat, blood sugar levels, and blood pressure.
• It gives off a bright light when burned and is used in pyrotechnics such as fireworks, flares, and incendiary bombs.
• An important use of magnesium is preventing corrosion of steel and iron, such as in pipelines and the bottom of ships.