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Diamonds

Diamonds are the hardest mineral on earth. Ask questions about famous diamonds, mining, production and buying.

4,145 Questions

Why can diamonds cut glass?

Diamonds can cut glass because they are one of the hardest naturally occurring substances on Earth. When a diamond is rubbed against glass, the hardness of the diamond allows it to scratch and ultimately cut through the glass.

Do diamonds absorb light?

Diamonds do not absorb light; they allow light to pass through them and refract it, giving them their characteristic sparkle and brilliance. This is due to their high refractive index and dispersion properties.

Is there any mineral as hard as diamond?

No. Diamond is the hardest substance we know of. the only thing harder is other diamonds.

How do you heat test the diamond?

Diamonds can be heat tested by subjecting them to high temperatures (above 1400°C) in a controlled environment to observe their reaction. Real diamonds will not be affected by the heat and will remain unchanged, while fake diamonds or simulants may either shatter, discolor, or show some other obvious signs of damage. Professional gemologists use specialized equipment to accurately heat test diamonds.

Can a rough diamond be tested by a diamond tester?

Yes, a diamond tester can detect whether a rough diamond is a diamond or not by analyzing its thermal conductivity. However, the tester may not be able to provide information on the specific quality or value of the rough diamond.

What does LC mean on diamonds?

LC on diamonds stands for "Loupe Clean," which indicates that the diamond is internally flawless when viewed under 10x magnification. This means there are no visible inclusions or imperfections within the stone, making it exceptionally clear and valuable.

How much pressure to break a diamond?

Diamonds are extremely hard and have a high resistance to pressure. It would take approximately 600,000 atmospheres of pressure to break a diamond. This is equivalent to around 12 million pounds per square inch.

Can some parts of a quartz can be diamond?

No! Diamonds are a pure form of carbon, while quartz is a silica-oxygen compound. According to Wikipedia quartz is the second most abundant mineral in the Earth's continental crust. It is a major component of sand.

Is a yellow diamond called a gold?

Yellow diamond has intense hues of yellow that look similar to gold; however, yellow diamond is not considered gold. The unique yellow color present in these diamonds is the result of the presence of nitrogen impurities which comes due to the composition of the crystal structure. Yellow diamonds are called Canary diamonds, sparkly and valuable pieces of lab-grown diamond jewelry. The nitrogen molecules in the diamond stone absorb the blue light, which makes the stone take a yellow hue. Yellow diamond stones differ from gold as they are fancy-colored diamonds depending on the nitrogen present. These diamonds can range from light yellow hue to bright, vivid, and more intense yellow hue.

Can a real diamond fracture?

Yes, real diamonds are known to be very hard and durable, but they can still fracture under extreme pressure or impact. Diamond's crystalline structure makes them strong, but they are not indestructible.

Is diamond harder than iron or the other way around?

Iron Ranks about a 4-5 on the Moh's hardness scale. A diamond is a perfect 10 diamond. A diamond much harder then iron.

Why are graphite and diamond considered different minerals?

Diamond and graphite are polymorphic - minerals with the same chemical formula but of different crystal structure. Both are made only of the element carbon. Because they form under different conditions of temperature and pressure, their crystal structure arranged differently. Hence, the vastly different physical properties.
Diamonds and graphite are separate allotropes of carbon, different because of their atomic structures. Carbon formed as diamond is the hardest mineral on earth.

Can a diamond get dirty?

Yes, but you can clean it with a tooth brush and tooth paste.

What can scrach a diamond?

A diamond can only be scratched by another diamond due to its hardness. No other material is hard enough to scratch a diamond.

Are emerald diamonds made of carbon?

'Emerald diamond' is not a gemstone: it is a confusion of vocabulary.

An emerald-cut diamond stone is made from carbon.

An emerald is a different gemstone, made from the mineral beryl - (Be3Al2(SiO3)6) --and colored green by trace amounts of chromium and sometimes vanadium.

Why is it hard to convert graphite into diamond?

It needs heat and pressure to convert graphite into diamond due to the requirement to rearrange the atoms making up one structure into the arrangement required in the other. This makes it an industrially challenging process in order to be a cost effective method.

Another Answer

Graphite and diamond are both allotropes of carbon. One is not made from the other, but both are formed from carbon.

What property of diamond lets them cut through glass?

Diamond is the hardest mineral known, on the 1-10 Mohs scale of mineral hardness, diamond is rated as 10.

Why did they make diamonds?

Diamonds Were Never Made, They Are

A Natural Substance.

However in more recent times, it is possible to produce a synthetic diamond by the compression or carbon, however it is very expensive.

Why are diamonds are called stones?

because it is like a stone....

Another Answer

Diamonds are stones, rocks: they originate within the earth's mantle just like other stones and rocks. Diamonds are, however, formed from pure carbon and are the hardest, clearest, heaviest stones.

What is the difference in top quality chocolate diamonds and poor quality chocolate diamonds?

Diamond quality is measured by the four Cs, including cut, colour, clarity and carat weight.

A poor quality diamond is different from a top quality, mostly based on price and value. Elements include, a poor cut, visible flaws, low carat weight, poor colour or treated colour.

What element is harder than a diamond?

Boron nitride is a synthetic material that is harder than diamond. It exhibits similar properties to diamond but has a higher hardness level.

Can one diamond scratch another diamond?

Diamond is the hardest known substance, but one diamond can scratch another diamond. If that was not the case, there would be no way for jewelers to shape diamonds as they do, into faceted jewels, instead of lumpy stones.

Why do diamonds turn yellow?

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 bottom of the diamond with soot.

What are the components of a diamond ring?

The main components of a diamond ring are the diamond(s) itself, the metal band (typically made of gold, silver, or platinum), and any additional accent stones or design features. Some rings also have settings to hold the diamond in place securely.

What kind of stone or mineral can break a diamond?

The diamond is the hardest mineral and stone on earth: nothing natural can 'break' it. Diamond cutters use other diamonds to cut, facet and polish diamonds. Recently, however, powerful lasers have been added to the diamond-cutters toolbox.