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Diamond is one of the most popular gem stones, owing chiefly to its luster. One of world’s finest diamonds, Koh-I-noor, is the British crown jewel. Scientifically speaking, diamond is the purest, crystalline form of
metal
carbon
limestone
clay
The Koh-i-Noor is a 106 carats diamond which was once the largest diamond in the world. Previously, it has belonged to various rulers in India; today it lies in the hands of the British royal family and is part of the Crown Jewels.
Diamond is the only gem made of a single element: It is typically about 99.95 percent carbon. The other 0.05 percent can include one or more trace elements, which are atoms that aren't part of the diamond's essential chemistry.
By: Parvesh Mehta ProfileResourcesReport error
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