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Because a diamond has more carbon bonds than coal. Carbon bonds are very strong and can only be broken in one direction. Diamonds have 3 carbon bonds, which makes it very hard. Diamonds can only be cut in one direction, that is because of the number of carbon bonds.
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∙ 12y ago
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Is coal a black diamond?
No. coal is coal and diamond is diamond. They are both formed from carbon, but diamond is much harder than coal.
Diamonds and coal both made of what?
Carbon!!!! Carbon has three allotropes, they are Diamond Graphite (coal) Buckyballs ( Buckminster Fullerene).
Is coal stronger than diamond?
Yes
How many years does it take for coal to change into a diamond?
It would be highly unusual if coal ever turned into diamond. Diamonds are formed only at depths in the crust of more than 60 miles. Coal on Earth does not exist at anywhere near this depth.
Is chlorine less dense or more dense than water?
more dense
Why is diamond costlier than coal?
because it is found rarely and more dense than coal
More valuable coal or diamond?
Diamonds are more valuable than coal.
Is coal a black diamond?
No. coal is coal and diamond is diamond. They are both formed from carbon, but diamond is much harder than coal.
Diamonds and coal both made of what?
Carbon!!!! Carbon has three allotropes, they are Diamond Graphite (coal) Buckyballs ( Buckminster Fullerene).
Is diamond more dense than glass?
Diamonds are denser and harder than glass, as diamonds can score glass - as in a diamond glass-cutter.
What mineral can scratch a diamomd?
nothing can scratch a diamond other than another diamond with more pure properties such as being more clear, more dense, larger,
Is coal stronger than diamond?
Yes
Are diamonds nothing more than chunks of coal that stuck to their jobs?
This is a lovely way to think about a diamond.
How many years does it take for coal to change into a diamond?
It would be highly unusual if coal ever turned into diamond. Diamonds are formed only at depths in the crust of more than 60 miles. Coal on Earth does not exist at anywhere near this depth.
Is chlorine less dense or more dense than water?
more dense
Is very salty water more or less dense than more dense?
More Dense.
Is oil more dense than water?
no, oil is not more dense than water
