Solid carbon comes in different forms known as allotropes depending on the type of chemical bond The florentine diamond, here set atop a jeweled brooch, was thought lost for decades The two most common allotropes of pure carbon are diamond and graphite.
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The florentine diamond has been found after more than a century
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A diamond is a mineral composed of pure carbon It is the hardest naturally occurring substance known It is also the most popular gemstone Because of their extreme hardness, diamonds have a number of important industrial applications.
Shop the diamond jewelry collection at neiman marcus Where artistry meets elegance, explore rings, necklaces, earrings and more to find your perfect sparkle. Diamond is much more than the world’s most popular gemstone and hardest natural material This diamond guide explains how the 4 c's of diamonds — cut, color, clarity, and carat — determine a diamond's quality grade
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After vanishing for a century, the legendary florentine diamond has resurfaced in a canadian bank vault, ending one of the greatest mysteries in gem history.
