Diamond, vital allotrope of carbon, is just one of the best-known instances of allotropes among all chemistry elements. Carbon atom arranged in a highly organized lattice structure form the radiant diamond crystals. However, that is not constantly clear just how the crystals are formed, with there gift multiple theories about it ― some much more likely 보다 the others.

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Diamond in initial Raw Form

Although the is frequently taught to children that diamond is a result of metamorphism that coal, meaning that coal itself turns into diamonds due to immense pressure and also heat underground, this theory has actually been proven to it is in incorrect. Among the basic evidence versus this concept is the fact that many of the diamonds found today are older than the earliest tree that thrived on earth. And also since coal creates from decaying tree materials, the proves the diamonds have been over there on earth prior to coal even existed.

However, coal can turn into a diamond if the undergoes tremendous pressure and heat, as shown in rap experiments.


How and Where are Diamonds created in Nature ― welcomed Theories


It is quite daunting to check the beginning and resource of diamonds found in nature, but there are quite a few theories, through the 4 most welcomed ones mentioned below:

Theory 1: forming in the earth’s mantle

Diamonds kind in earth’s mantle and are lugged near the surface by deep-source volcano eruptions. The lava traveling from deep down, towards the surface ar of the earth carry the diamonds in addition to it, creating the lamproite pipes and kimberlite wherein the gemstone is regularly found.

The actual procedure that create diamonds walk involve excessive heat and also pressure, so it can only occur in the locations of the mantle as hot as 2000℉ (1090℃) and also as deep as 90 mile (150km) below earth’s surface.

Theory 2: development in subduction zones

Sometimes, little diamond crystals are created when different parts of the earth’s crust (tectonic plates) collide through each other, resulting in subduction that the plates, pushing them near the mantle. In this case, diamond crystals can kind only around 50 mile (80km) below the surface, at around 390℉ (200℃). Research studies have shown carbonate rocks (e.g. Limestone, marble), carbon in the earth mantle, coal, as well as plant and also animal matter to be resources of carbon because that diamonds developed by subduction.

Theory 3: By affect with asteroids

In its 4.6 exchange rate years together a planet, earth has been hit by multiple asteroids of varying sizes. Every collision reasons tremendous pressure as well as temperatures greater than the sun, i m sorry may result in the development of diamonds if there space carbonate rocks or any kind of other form of carbon current in the target area.

This theory has been additional backed through the exploration of small and large diamonds from asteroid affect sites everywhere the world.

Theory 4: do in space

Nasa researchers have uncovered considerable quantities of very tiny diamond corpuscle (nanodiamonds) inside some meteorites. These are believed to have actually formed because of collisions between meteors, lot like just how diamonds may be created by asteroids. There are trace quantities of carbon existing in meteors, which leader to the formation of diamond particles. There are such particles current in the Allen Hills meteorite (Antarctica), if the Allende meteorite (Mexico) has actually been found to contain diamonds older 보다 the earth solar system.

Despite being too small to be offered as a gemstone, this is a an excellent source that diamond material for various other applications.


It is not feasible to identify the precise time taken for a diamond come form. The actual process for creation of the gems can take almost everywhere from a few weeks, months, years to millions of years. The reality that nearly all diamonds found today have actually probably been there since before life existed on earth does not necessarily typical they take it that lengthy to form. It may simply median that they continued to be buried roughly the mantle for long periods.

Scientists have likewise found the the steps affiliated in diamond-formation might not it is in continuous; so, a half-formed diamond might remain the very same for millions of years prior to the problems are favorable again for additional development.


Yellow: One of the most common shade variations, yellow diamonds have nitrogen impurities blended with your carbon. The most influential yellow diamonds are discovered in southern Africa. Orange diamonds are likewise believed to type in the similar manner, whereby the coloration is much more intense.
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Chocolate/Brown: Also well-known as cognac or champagne diamonds depending upon the strongness of the color, these room formed due to defects in the crystal lattice structure, i beg your pardon absorb light during formation. Existence of nitrogen is an additional factor that might result in the brown color.
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Blue: Results indigenous the visibility of trace quantities of boron in the diamond. There had actually been some doubts about this theory as most blue diamonds found on planet are developed in the mantle, while boron is present much more near the surface ar of the planet. However, it has actually been found more recently that these diamonds were developed from materials that come from tectonic bowl under the oceans, and also contained boron and water.
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Pink: it is tho not plainly know where the pink shade comes from, but experts think that it outcomes from additional pressure during formation of the gem i beg your pardon distorts the lattice structure, causing the pink hue.
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Red: these are believed to type in the very same manner together the pink diamonds, through a an ext intense coloration.
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Black: The black color comes native high amounts of graphite impurities in the diamond.
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Green: One that the rarest colors, the environment-friendly hue outcomes from natural radiation native the surrounding rocks that reasons electrons to acquire trapped in the surface ar of the diamond together it is formed. Sometimes, trace amounts of nickel present in the carbon may also an outcome in environment-friendly diamonds. The shade is often existing in only the surface and also may be lost throughout polishing the stone.
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Purple: Another rare shade variation, this are believed to occur due to some distortion come the crystal framework to already-formed diamonds throughout their trip from the earth mantle v magma. Hydrogen impurities are likewise believed to contribute to the color.
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As the surname suggests, a man-made diamond is developed from very refined graphite, in a activities under a highly managed environment whereby the organic processes associated in the development of a diamond room replicated. The process takes number of days or weeks, depending upon the size of the diamond formed.

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Man-Made Diamonds Vs real Diamonds

Both man-made and also authentic mined diamonds watch the same and have the same physical and chemical properties. Gem-quality lab-made diamonds are broadly used in jewelry making.