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Diamonds

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

4,145 Questions

What are the properties of diamond that make it useful industrially?

it is the hardest substance there is so it is used in applications where you need to drill grind or boar through some thing for instance they mine salt by using long chains embedded with diamonds to break off slabs of salt

What all does 22 carat gold contains?

First of all, it is spelled Karat. Gold purity indication, especially in the US, is in Karats.

Carat is used as a measure of weight, for diamonds & gemstones, where 1 carat = 200 milligrams (5 carats=1 gram).

Karat refers to part of gold present per 24, where 24 is 100%.

So if you have 18k, it means 18/24 = 75% pure gold.

22k = 22/24 = 91.66%

The balance of 8.44% usually contains mainly Copper & Silver. Other metals in small quantities , which may or not be present are usually Zinc, cadmium, indium, irridium (since it is not affected by Nitric Acid, Irridium is used to cheat people in terms of purity).

Various other metals may be added to achieve required properties like ductility, malleability, hardness, toughness, colour shades, etc.

Ketan Kapadia, manufacturing jeweller in Bombay ( Mumbai)

If you have more queries, write to ketankapadia@yahoo.com

How can you tell the difference between a diamond and a fake diamond?

I don't know , but diamond is the hardest material on Earth

answer 2 Real diamonds may be differentiated from fakes, by density, by hardness, and by x-ray methods. In addition, any reputable jeweler or gemologist can tell by eye.

The usual fakes are cubic zirconium, CZ for short. It fails the above tests.

How the hardness of diamond is measured?

The hardness of a diamond is measured using the Mohs scale of mineral hardness, which ranges from 1 (softest) to 10 (hardest). Diamond is the hardest naturally occurring substance and is rated at a 10 on the Mohs scale. To determine the hardness of a material, a sample of known hardness is used to scratch the surface of the material in question; if the material is scratched, it has a lower hardness rating than the sample.

What is true about diamonds?

Diamonds are formed deep within the Earth's mantle under high pressure and temperature. They are the hardest natural substance known, ranking 10 on the Mohs scale of mineral hardness. Diamonds are commonly used in jewelry due to their brilliance, clarity, and durability.

Is it true that diamonds can never break?

Diamonds are the hardest mineral known. However, a flaw in a stone presents a weak spot, and if the stone is hit 'just right', the stone may fracture along the flaw.

However, most diamonds are graded so that stones with visible flaws -- rated as Included -- (most susceptible to chipping or fracturing) are clearly identified, and would therefore be set in such a way so as to protect the stone.

What is 22 carat?

22 carat refers to the purity level of gold, with 22 parts being gold out of a total of 24 parts in the alloy. This means that gold is 91.67% pure in 22 carat jewelry, making it softer and more prone to bending compared to higher purity levels.

Is diamond is transparent?

Yes, diamonds are generally transparent and allow light to pass through them, giving them their characteristic sparkle. However, impurities or structural irregularities can cause a diamond to have a cloudy or less transparent appearance.

What is the difference between a naturally occurring substance and a synthetic substance?

a naturally occurring substance is one that can be randomized in between matter

of existence for example: it is a substance you can create without knowing what it does so it occurs naturally.

the synthetic substance is one of which a robot could relate to as it is a type of substance used within robotics and metallics of vehicles and other electrical equipment

(synthetic meaning robotic)

Firstly synthetic does not mean robotic. Look it up.

Secondly I'm not convinced that the answer above would be right even if it was coherent.

Naturally occurring denotes a substance that occurs in nature, in the right circumstances this can cover a wide variety of things.

Synthetic substances are artificial or man made, generally for a specific purpose. Even some elements can be synthesized though these are incredibly unstable and thus not naturally occurring.

What happens to diamonds after they are mined?

After diamonds are mined, the bulk deposit of earth is loaded into a truck and driven to a sorting belt, where the deposit is processed to separate the diamonds from the other material collected in the scoop.

Why diamond is used for cutting?

Diamond is the hardest naturally occurring material, making it ideal for cutting tough materials like steel and concrete. Its hardness allows for efficient and precise cutting, with minimal wear and tear on the cutting tool. Diamond cutting tools are also known for their longevity and ability to maintain sharp edges even after prolonged use.

What is the volume of a 1 carat diamond if 1 carat is 200 mg?

To calculate the volume of a 1 carat diamond, we first need to convert the carat weight to grams. Since 1 carat is 200 mg, it is equal to 0.2 grams. The volume of a diamond can vary depending on its shape, so without knowing the specific shape of the diamond, we cannot determine its volume.

Does a diamond burn?

YES, Diamond burns at about 800°C, giving off carbon dioxide just like charcoal.

Another Answer

Diamond has the highest melting point of any mineral: 3,820 degrees Kelvin, which is 6,416.33 degrees Fahrenheit, or 3,546.85 degrees Celsius.

Why is diamond used for cutting glass?

Diamond is the hardest natural mineral. Industrial diamonds -- about 80% of all diamonds mined -- enhance tools that require sharp, precise and detailed accuracy.

Tools for cutting glass are tipped with industrial diamond material.

Is Diamond a natural or man made resource?

Diamonds are a natural resource, they are formed deep within the Earth's mantle over billions of years. However, they can also be synthesized in laboratories using high pressure and temperature techniques.

What does diamonds resonate at?

Diamonds are known to resonate at extremely high frequencies due to their rigid atomic structure. This makes them very effective in conducting sound waves and vibrations, resulting in their famous sparkle and brilliance.

What do you need to make a diamond?

Diamonds are formed under high pressure and temperature in the Earth's mantle. They are made of carbon atoms arranged in a crystal lattice structure. Natural diamonds can take millions of years to form, but synthetic diamonds can be created in a lab using high pressure and temperature or chemical vapor deposition techniques.

How much heat can diamonds withstand?

Diamonds have a high melting point of around 3,550 degrees Celsius (6,422 degrees Fahrenheit). They can withstand high temperatures such as those found in house fires or industrial processes. However, prolonged exposure to extreme heat can still lead to the diamond burning or deteriorating.

How many pounds can shatter a diamond?

Because diamond is the hardest mineral known, this test would necessarily be performed in a lab.

A diamond could fracture along a flaw or inclusion, however, when hit with a hammer, because diamond is brittle.

If you simply placed weight on top of a diamond, it may never 'shatter'.

What is heavier a 10 k gold ring or a 18 k gold ring?

The weight and purity are not related. A karat is a measure of purity when talking about gold, while a karat for a diamond is dependent on size so if the 10K and the 18K rings are approximately the same size, I would say that the 18K is heavier

What is a si1 diamond?

A SI1 diamond is a diamond with a clarity grade of "Slightly Included 1" on the GIA clarity scale. This means there are slight inclusions or imperfections visible under 10x magnification, but not visible to the naked eye. SI1 diamonds are considered to be a good balance between quality and value.

How much is money is eleven diamonds worth?

Sight-unseen it is not possible to give you a precise answer.

Every diamond is valued according to its colour, clarity, carat weight and cut. A local jeweler may be able to give you a range of prices that the jeweler would pay you for the stones.

Finally, appreciate that whatever you have to sell is worth whatever someone will pay you for your goods.

Where can you find fake magnetic earrings at a cheap price?

You can find fake magnetic earrings at a cheap price at discount stores, online marketplaces like eBay or Amazon, or at accessory stores that specialize in inexpensive fashion jewelry. Be sure to read reviews and check the quality before making a purchase.

Why does total internal reflection occur in diamonds more than in other gemstones?

Because of a diamonds clarity and its molecular make-up, which is more dense than other gemstones.

This is true even when a diamond and a different gemstone are cut exactly the same way.