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“Gold is a precious metal. Historically, it has been used for stores of value (bars) for jewelry, electronics, dentistry, and as actual money (coinage). It is a yellow element found in nuggets that can actually be ruby or black when divided. ”
Gwyneth paltrow oscar lip treatment It is the most malleable metal known. When other elements are it forms alloys. This will increase the hardness and can create exotic colors. Adding copper gives a redder color, iron more blue, platinum white, aluminum creates purple.
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Christina aguilera duet Gold conducts heat and electricity well. Heat, moisture and corrosives have very little chemical effect gold. This makes it well-suited for make coins and jewelry. Since gold itself is soft, it is given the alloys to make it stronger and change its color.
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When using gold for jewelry, it is measured in karats. Pure gold is 24K. It is generally sold as 22K, 18K and 14K. This means silver or copper have been added for strength and color.