Monday, May 10, 2010

What is the chemical composition of the mineral aquamarine?

The blue/blue-green mineral known as aquamarine is one form of the common mineral called beryl.  Beryl is a combination of the elements beryllium, aluminum, silica and oxygen (BeAl2SiO6), and sometimes includes other elements such as lithium, sodium or cesium.  Aquamarine is closely related to emerald, and is a semi-precious gemstone in its own right. 

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