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Diamond is an [[allotrope]] of [[carbon]], noted for being the hardest material on the [[hardness|Mohs Scale]], and also fairly rare (deposits are found in [[Kimberlite]] in [[South Africa]]). As such, natural diamonds are used for jewelry, and synthetic ones for drill bits.

'''Diamond''' is an [[allotrope]] of [[carbon]], noted for being the hardest material on the [[hardness|Moh's Scale]], and also fairly rare (deposits are found in [[Kimberlite]] in [[South Africa]]). As such, natural diamonds are used for jewelry, and synthetic ones for drill bits.