Page 42 - The Periodic Table Book

12
Mg Magnesium

12 12 12 State: Solid
Discovery: 1755
Alkaline Earth Metals This green, magnesium-rich Tremolite Feather-like crystallized form Laboratory sample
Forms

appearance
Shiny, grey
of pure magnesium
mineral forms deep underground.

Serpentine

Magnesium has
22 known
isotopes.

Dolomite

This ore is a
natural form
of magnesium
carbonate.

Magnesium was named after Magnesia Magnesium has many important applications.
in Greece. This element largely exists deep Alloys of magnesium are not only strong, but
inside Earth’s mantle, but it can also be found also lightweight, so are used in a range of
in seawater and many minerals in our planet’s objects, from car wheels to cameras. For
crust, including serpentine. Another mineral, centuries, many naturally occurring magnesium
40 dolomite, is also a source of pure magnesium. minerals have been used in traditional medicines.

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