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Everybody knows what metal is; it is found in thousands of items that surround us every day.
When you begin to conserve some of these metal items, however, you find that the substance is
more complicated tha
n it seems
.
Most things we call metals today are more accurately called
alloys. True metals are pure elements, while alloys are blends of two or more metals that have
been melted together. Metals and alloys are easy to distinguish from nonmetals because they are
usually shinier, he
avier, and harder than most materials, and they are excellent conductors of
heat and electricity. Even so, visually distinguishing various metals, and especially alloys, from
one another can be difficult. If you need to identify a metal exactly, contact someone who is
skilled in identifying metals, such as a conservator, a jeweler, or a metallurgist. This section will