Why is graphite black and diamond clear?

Desmond Homenick asked a question: Why is graphite black and diamond clear?
Asked By: Desmond Homenick
Date created: Wed, May 12, 2021 7:53 AM

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Those who are looking for an answer to the question «Why is graphite black and diamond clear?» often ask the following questions:

👉 Can graphite convert diamond?

Diamond is the high-pressure phase that forms deep in the earth. Under normal conditions, diamond is metastable, meaning that it converts back to graphite when the process is initiated with sufficient energy… It can switch its internal structure to a different order, thereby turning into graphite.

👉 Are diamond and graphite isomers?

Are diamond and graphite isomers? Chemical compound that has the same molecular formula – the same number and kinds of atoms – as another compound, but a different structural arrangement of the atoms in space, and, therefore, different properties. For example, graphite (pencil lead) and diamond are isomers of carbon.

👉 Are graphite and diamond polymorphs?

Diamond and graphite are both polymorphs of carbon. Polymorphism or allotrophy involves the existence of an element in more than one crystalline form, but similar physical state. An example of polymorphism is of carbon. The element carbon can exist in many forms, two such forms are graphite and diamond.

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Integrated with its tendency to be clear, this causes the anemic, clear appearance of the majority of diamond. Blue diamonds come from boron pollutants, yellow diamond from nitrogen contamination, brownish diamonds from latticework defects, and environment-friendly diamonds from radiation direct exposure.

The reason that coal (graphite) is black and diamonds are clear has to do with how the carbon atoms are connected together in the two different forms of carbon. Why is graphite color black? The gemstone is naturally filled with dark inclusions (also known as graphite), and the reason why they appear dark is because their structure prevents them from reflecting any form of light.

The reason that coal (graphite) is black and diamonds are clear has to do with how the carbon atoms are connected together in the two different forms of carbon. In diamond each carbon atom is bonded to its neighbors like the points of a pyramid. In graphite (coal) the atoms are connected to one another is flat planes.

As it happens, graphite has the double bonds that tend to create very low lying excited states which means it absorbs basically every color which is why it's black. Diamond has only single bonds and a relatively high excited state so there are no transitions in the visible spectrum, hence it appears colorless.

The collection of all colors appears to us as white (so if all colors are reflected back to us), the absence of color in light appears to us as black (so if all color was absorbed by an object). Diamonds and Graphic are different colors because they have different structure so the light bounces off them differently.

The carbon atoms of diamonds are in a different arrangement than those of graphite. The configuration of diamonds is such that light can pass through making it (mostly) transparent, while for graphite, it absorbs most light. level 1

It's the difference in bonding that makes diamonds clear and other forms of pure carbon black. Diamonds are entirely constructed from sigma bonds. When two carbon atoms come together to form ...

Coal is of course not a pure compound, so let's see about graphite vs diamond. The carbon-carbon bonds in graphite are largely "aromatic": some of the (pi-)electrons are delocalized and are not stuck to a single bonded atom pair. The larger such delocalized systems are, the closer together the energy levels. In graphite the delocalization is huge, and energy levels are really close together.

Research into the cause of color in black diamonds is relatively recent. Today we know that most naturally colored black diamonds get their color from large quantities or clouds of minute mineral inclusions such as graphite, pyrite or hematite that extend throughout the stone.

Your Answer

We've handpicked 20 related questions for you, similar to «Why is graphite black and diamond clear?» so you can surely find the answer!

How can diamond spontaneously become graphite?

graphite to diamond equation diamond to graphite energy diagram

We know that graphite is more stable than diamond, this means that it's easier to become graphite from diamond than it is to become diamond from graphite. Take those two statements and put them together. Since it's easier to become graphite and harder to reverse, we expect that any chunk of pure diamond is going to become more graphite-y over time.

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How do diamond and graphite differ?

Although they are made from the exact same component (Carbon), a Diamond differs from Graphite in the atomic structure. In Diamonds, the atoms are carefully packed with together with each atom connected to various other carbon atoms as compared to Graphite where the bonds in between the layers are weak.

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How is graphite turned into diamond?

gemstone real diamond

Graphite is heated to 1500 °C and compressed to a pressure of 15 million kPa, graphite becomes DIAMOND. This happens because this HPHT (High Pressure, High Temp) method breaks the hexagonal C rings in graphite and rebuilds it into 3D diamonds. This is also the reason why Diamonds cannot become Graphite.

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Question: is diamond harder than graphite?

Unlike diamond, graphite can be used as a lubricant or in pencils because the layers cleave readily. It is soft and slippery, and its hardness is less than one on the Mohs scale. Graphite also has a lower density (2.266 grams per cubic centimeter) than diamond. What can break a diamond?

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What burns hotter diamond or graphite?

diamond

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Why diamond is hard than graphite?

easy structure of diamond and graphite simple diamond structure 2d

However, diamond is harder than graphite because of the carbon atoms in a diamond form 4 covalent bonds in the form of tetrahedral structure. While the carbon atoms in the graphite form 4 covalent bonds in the form of hexagonal structure… This is the reason why diamond is harder than graphite.

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Why graphite is softer than diamond?

The crystalline structure of graphite and diamond are very different.

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Why is diamond denser than graphite?

Thus, for much the same reasons as diamond, graphite is insoluble as no solvent can introduce the force needed to break the covalent bonds and dissolve the structure. However the lack of actual covalent bonds between the layers means that it is much less physically hard than diamond. Hope this helps!

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Why is diamond harder than graphite?

We know that both diamond and graphite are made of carbon. However, diamond is harder than graphite because of the carbon atoms in a diamond form 4 covalent bonds in the form of tetrahedral structure… This is the reason why diamond is harder than graphite.

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Why is diamond stronger than graphite?

However, diamond is harder than graphite because of the carbon atoms in a diamond form 4 covalent bonds in the form of tetrahedral structure. While the carbon atoms in the graphite form 4 covalent bonds in the form of hexagonal structure… This is the reason why diamond is harder than graphite.

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Is a diamond clear?

Yes.

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Are diamond and graphite isomers or allotropes?

They are allotropes ....since there are the different form of carbon.also they have differnt physical properties. They can't be isomer becoz there molecular formula are not

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Are diamond and graphite the same mineral?

Diamond and graphite are allotropes of the element carbon. The atoms are bonded together in different configurations and have different physical properties. Since a mineral is identified as a being a certain compound or element with specific characteristics diamond is a different mineral than graphite. 20 views.

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Are you a graphite or a diamond?

Both Diamond and also Graphite are a crystalline kind of carbon (Both are made of pure carbon). They are the same in the chemical structure, they vary a whole lot in the physical make-up. On the Moh s array, Diamond rates as 10 making it the hardest mineral as compared to Graphite, which is the softest.

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Can graphite turn into diamond in photoshop?

One way to turn graphite into diamond is by applying pressure. However, since graphite is the most stable form of carbon under normal conditions, it takes approximately 150,000 times the ...

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How is diamond different from graphite iron?

Diamond and also graphite are chemically the same, both made up of the element carbon, however, they have entirely different atomic and also crystal frameworks. Diamond atoms have a rigid 3 dimensional structure with each atom carefully loaded with each other as well as connected to 4 other carbon atoms. The factor for the differences in firmness as well as various other physical homes can be ...

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How is diamond different from graphite made?

Diamond and also graphite are chemically the same, both made up of the element carbon, however, they have entirely different atomic and also crystal frameworks. Diamond atoms have a rigid 3 dimensional structure with each atom carefully loaded with each other as well as connected to 4 other carbon atoms. The factor for the differences in firmness as well as various other physical homes can be ...

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How long for graphite turn to diamond?

Graphite and diamond are both allotropes of carbon. Once formed, the formation is complete and will not change or -- turn -- into anything else all by itself.

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Question: can we convert graphite into diamond?

Stochastic surface walking simulations can explain why graphite turns into hexagonal, not cubic, diamond under pressures of 5-20 gigapascals. Credit: Xie et al. ©2017 American Chemical Society

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Question: what is graphite softer than diamond?

Why is graphite softer than diamond? Diamond is an extremely strong and rigid substance because of its molecular structure, which is giant covalent structure. Now, the part that makes the graphite softer than diamond is that the flat ‘sheets’ of carbon are bonded together by a much weaker bond than covalent bonds , called Van Der Waals forces.

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