Diamond, History and Etymology of diamond, Properties of diamond, Application of diamond and Unknown facts about diamond.

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2.  In 4th
century BC, diamonds were first discovered and mined in
India. Diamondin India had been known for at least 3000 years but 6000
years most likely.
 Diamonds popularity got increased since 19th
century after its increase in
supply, improved polishing and cutting techniques.
 In 327 BC, Alexander brought first diamond to Europe from India.
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3.  French scientist Antoine Lavoisier in 1772 showed that the only product
of the combustion of Diamond is Carbon dioxides, hence proving that
diamond compose of only carbon.
 Diamond today is used majorly for adornment as gemstones and for
cutting hard materials as industrial abrasives.
 Diamond got its name from ancient Greek word adamas which meant
“unbreakable”.
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4.  Hardness: Diamond is the hardest material known as per both Mohs and
Vickers scale.
 Electrical conductivity: Most diamonds are electrical insulators. Some
blue colour diamonds are natural semiconductors.
 Surface property: Diamonds are lipophilic and hydrophobic means that
the surface of the diamond cannot be wet by water but can get wet easily
by oil.
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5. ` Function and Application of CFC’s
 Chemical stability: Diamonds are not much reactive. In room
temperatures diamonds does not reacts with any chemical reagents.
 Corrosion: Diamond is corrosion resistant.
 Diamond has low coefficient of friction and low thermal expansion
coefficient.
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6. Apart from the use of Diamond as jewellery, it has many unusual and
unknown uses also like in:
 Domes of Speakers: Diamonds are actually believed to enhance quality
speakers’ performance, as they are very rigid and vibrate briskly when
turned into thin domes.
 Antidote: In many places diamonds are used as an antidote for poisons or
diseases. But there is no scientific evidence backing this.
 Windows: Diamond windows are made out of thin diamond membranes
which are used in covering openings in stuffs like vacuum chambers, x-ray
machines and lasers.
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7.  Heat sinks: In an electronic system, heat sink is a component that cools
the device by dissipating heat into surroundings. Due to the presence of
high thermal conductivity property diamonds are god heat conductors
and because of this property only they are used in heat sinks.
 Future uses: In the future, diamond might be used in surgical tools,
medical devices and in human joints.
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8.  Diamonds are said to be the birthstone of people born in April.
 Diamonds are made up of single element-Carbon and are the hardest
element found on earth.
 The only thing that can cut diamond is diamonds as diamond are very
hard natural element.
 At the time of middle age, diamonds were believed to have healing
properties.
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9.  In many ancient cultures, it was believed that diamonds gives courage
and strength to the wearer during battle.
 The largest diamond discovered was called as Cullinan Diamond which
weighed 1.33 pounds/ 3106 carats.
 80 percent of the diamond discovered is not suitable for jewellery.
 The most amazing fact of diamond is that scientists have discovered a
planet which is one third diamond and even more amazing fact is that
they have also discovered a star named Lucy which approximately a
diamond of 10 billion trillion trillion carats.
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