Question

Why is diamond an expensive element, when it is just made up of graphite??​

Answer 1

Answer:

The differing properties of carbon and diamond arise from their distinct crystal structures. In a diamond, the carbon atoms are arranged tetrahedrally. ... This accounts for diamond's hardness, extraordinary strength and durability and gives diamond a higher density than graphite (3.514 grams per cubic centimeter).09-Oct-2007

Answer 2

Answer:

because it is very lustrous, and also it is the hardest non-metal (infact it is one of the hardest thing )

Explanation:

Another reson it is very rare or less found

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