Why does a diamond turn into coal when it's burned?

Anabelle Heaney asked a question: Why does a diamond turn into coal when it's burned?
Asked By: Anabelle Heaney
Date created: Mon, Mar 29, 2021 2:07 PM

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Those who are looking for an answer to the question «Why does a diamond turn into coal when it's burned?» often ask the following questions:

👉 Quick answer: does coal turn into diamond?

You can’t turn a coal and peanut butter into a diamond or crystal with ice, warm water, or any other household materials. And that is exactly what Frost found when he recreated the process using his presses — essentially forging a diamond from thin air. Why is coal a diamond?

👉 Can coal really turn into a diamond?

For starters, while both diamond and coal are carbon-based, the former is pure carbon in a crystalline structure, while the latter contains other substances that make it impure, such as bacteria, moisture, and other elements.. Furthermore, most of the diamonds that have been analyzed were formed millions of years ago. This, of course, was long before the first land plants—from which coal ...

👉 Does gold turn black when burned?

Real, pure gold, when exposed to the flame, will get brighter after a while as it gets hotter, but will not darken. Fake gold pieces, such as fool's gold (actually pyrite, an iron sulfide) and pieces made of brass, iron or copper alloys will darken or otherwise change color when exposed to fire.

11 other answers

Diamond does not turn into coal when exposed to flame.

Pure diamond consists only of carbon atoms bonded into a dense, strong crystal lattice, so diamond can also undergo carbon combustion. In fact, Antoine Lavoisier first determined that diamond is made out of carbon by burning it and showing that the combustion product was carbon dioxide.

Also it is worth to note that since diamond is made ,out of carbon, diamond can burn just like coal. Therefore, if enough oxygen is present, diamond at high temperature will combust to form carbon dioxide rather than transform into graphite.

In these kinds of conditions, when heated to a high temperature, the diamond will instead turn into graphite. This is due to the fact that the high temperature will break the diamond structure, and as there is no oxygen to react with, the diamond will change its structure to graphite as it is a more stable and favorable form in normal, low pressure conditions .

Another Answer: You are thinking of coal. When subjected to extreme pressure and intense heat, coal will eventually form diamond. Sand, when melted can turn into a glass.

Conversion of coal to diamonds is a natural process that takes millions of years. Even though there are carbon atoms in coal, the amount of impurities are so high, that it takes millions and millions of years for the coal to transform to its nearly purest form – graphite. The conversion of graphite to diamonds takes some more millions of years.

Also note that since diamond is made out of carbon, diamond can burn just like coal. Therefore, if enough oxygen is present, diamond at high temperature will combust to form carbon dioxide rather than transform into graphite. What temperature does graphite turn to diamond? It is known that graphite can be converted into diamond when subjected to high pressure and high temperatures.

When carbon burns in oxygen, that reaction produces carbon dioxide and water. A pure carbon diamond could thus theoretically vanish entirely if burned for long enough; however, most diamonds do...

The temperature of diamond ignition in pure oxygen is 690º C to 840 º C. In a stream of oxygen gas, diamonds burn initially at a low red heat. They will gradually rise in temperature and reach a white heat. Then, the diamonds will burn uninterruptedly with a pale-blue flame, even after the removal of the oxygen heat source.

Thus, when you burn food, it usually turns black, as the carbon present inside it undergoes combustion and leads to the formation of carbon dioxide gas and burnt carbon, which is black in color. This is how the combustion of food, and most other organic matter, occurs. This is the simplified explanation, and it’s what you can expect to read ...

A diamond can appear to turn black if the diamond and mounting are not thoroughly cleaned before being heated by a jeweler. Dirt and debris between the diamond and the mount can burn and coat the ...

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