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Physical Properties
The chemical symbol for pure beryllium is Be, and its atomic weight is 9.012 g/mol. (1)
Pure beryllium is a hard gray metal that does not occur naturally but does occur as a chemical component of certain kinds of rocks, coal and oil, soil, and volcanic dust. (1)
Beryllium is also present in a variety of compounds such as beryllium fluoride, beryllium chloride, beryllium sulfate, beryllium oxide, and beryllium phosphate. (1)
Pure beryllium is insoluble in water; however, some of its compounds are soluble in water. (1)