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The density of gold is 19.3 g/cubic centimeter. The density of gold is defined as the ratio of the mass to the volume. More »

Density was discovered by a Greek mathematician named Archimedes. He was born in the city of Syracuse, which was the heart of art, commerce and science, and his father, Phidias, was a mathematician and an astronomer. Arc... More »

www.reference.com History Prehistory

The density of pure silver is 10.5 grams per cubic centimeter. However, the density of most silver found in nature usually ranges from 10 to 12 grams per cubic centimeter. More »

www.reference.com Science Chemistry States of Matter
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In addition to standard gold purity markings such as 10K, 14K and so on, real gold jewelry is often stamped with a three-digit code. These codes correlate to the purity of the gold within the piece. Gold marked with the ... More »

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Gold stamped "925" is probably gold-plated sterling silver. The "925" is part of a precious metals hallmark system, but only silver is denoted "925," or 92.5 percent, pure. More »

As a measurement of purity, 750 fine gold contains pure gold in 750 parts and other base metals in 250 parts. This measurement means that 750 fine gold is 75 percent gold. Although the purity of gold is measured by karat... More »