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Diamonds

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

4,145 Questions

Is diamond a semiconductor or not?

Diamond is a wide-bandgap semiconductor due to its high electrical resistivity and potential for use in electronic devices. Its unique properties make it suitable for applications requiring high-power, high-frequency, and high-temperature operations.

Why is diamond poisonous?

The carbon crystals known as diamonds are not poisonous.

The question may refer to organisms that include the word diamond, such as the venomous diamondback rattlesnake, or spiders that might have a particular marking that may resemble a diamond shape.

Why is diamond used as abrasive?

Diamond is used as an abrasive due to its extreme hardness, which allows it to effectively grind, cut, or polish other materials. Its durability and ability to maintain sharp edges make it ideal for precision machining operations. Additionally, diamond abrasives provide high performance and a longer lifespan compared to other abrasive materials.

What can only destroy a diamond?

A diamond can be cut by another diamond, or polished into powder using a diamond wheel.

Neither is recommended for an at-home trial.

How much pressure would it take to crush a diamond?

First, this would be a tragic waste of a gemstone, if that's the one you want to crush.

Diamonds are hard, they are not 'strong'.

You may be able to shatter a diamond with a hammer.

What does a hard stone do on diamond?

You might be asking whether or not you could damage a diamond using a hard stone. With that assumption, here is one answer.

If you strike the diamond 'just right' and the diamond has an inclusion or flaw along a stress point that you happened to hit 'just right' with the large stone, you may be able to damage the diamond.

Otherwise, a diamond is the hardest mineral known. And because of its value, you might not want to experiment with one using a large stone to damage it.

Can diamond rings be reused or recycled?

Yes, diamond rings can be reused or recycled. They can be redesigned into a new piece of jewelry or the diamonds can be reset into a different setting. Additionally, some jewelers offer recycling programs where they take back old jewelry and recycle the materials for new pieces.

Why do they call a diamond a diamond?

The name originated from the Greek word 'adamas' that means adamant, invincible, unbreakable, unconquerable. It was given this name because it is the hardest gem on the planet and it holds extreme brilliance and fire.

Are diamonds only made from coal?

Diamonds are formed from carbon, which is also the base mineral of coal: written another way, both are allotropes -- elementary substances -- of carbon.

The difference is in the arrangement of the carbon atoms, with diamonds being examples of an extremely rigid lattice.

Are diamonds indistuctable?

By indestructible, you mean de-valued, then yes. One can scratch a diamond or chip it accidentally and it will be worth less.

By indestructible, you mean obliterated, then probably not. Diamond has the highest melting point of any known mineral. Attempting to smash it would only produce diamond dust -- if indeed you could smash it, which is useful.

Can you break a diamond with a laser?

You can cut a diamond with a laser -- because of its value, you might not want to 'break' it.

What is a yellow diamond called?

Depending on the intensity of the yellow colour (nitrogen) in the stone, the diamond could be 'called' by many names.

Generally, visibly yellow diamonds can range from a 'light yellow' colour to an 'intense fancy yellow' colour. Canary diamond is another name given to some yellow diamonds.

As well, 'colourless' diamonds graded from H through Z are also called 'yellow'.

A certified gemologist can give you the exact name for the colour of the diamond in question.

Ring that looks to be a white metal and is stamped with 925 on the inside of the band but nothing else what is this likely to mean?

A ring stamped with "925" likely means it is made of sterling silver, which is 92.5% pure silver alloyed with other metals. The absence of additional markings may indicate that the ring is a simple sterling silver piece without any additional embellishments or plating.

Your ring is stamped solid gold is it 24K?

No - rings/jewlery are either gold plate - this is metal with a thin layer of gold on top or solid gold. Solid gold can vary in the purity i.e. the amount of pure gold in there.

24 karat gold is very soft and not ideal for jewelry so it is alloyed with other base metals (silver or copper) to make it harder and more durable it can be 10k 14k 18k 22k 24k.

This should be stamped on the inside of your ring

If you follow the related link it will take you to a gold calculator which will give you exact gold content info on the different karats on the Metals and Coin Page and the Calculator will give you the exact value

Why are diamonds so good at cutting almost everything?

Diamonds are extremely hard due to their strong carbon-carbon bonds. With a hardness of 10 on the Mohs scale, they are the hardest naturally occurring material, making them effective at cutting other substances. Diamond's rigid structure allows it to maintain its sharpness and cutting edge for longer, providing durability and efficiency in various cutting applications.

How are diamonds identified?

Once a stone is cut, polished and graded, it can be identified by its cut, colour, carat weight and its clarity in combination.

A certified gemologist who provides a certificate for a stone can generally document any stone's unique characteristics, so that it can be identified given this combination of variables.

As well, some stones are identified with lasered identification symbols and numbers on the girdle -- invisible to the naked eye, but easy to see with a jeweler's 10x loop.

What is so special about diamonds?

Diamonds are special because of their exceptional hardness, brilliance, and rarity. They are one of the hardest naturally occurring materials, making them highly durable and resistant to scratching. Their brilliant sparkle and fire are renowned for their beauty, making them a popular choice for jewelry. Additionally, their scarcity and long history as a symbol of love and commitment contribute to their enduring appeal.

What does 825CZ on gold ring mean?

825CZ most likely refers to the purity of the gold ring. It is possibly an indication that the ring is made of 82.5% pure gold (which is 20 karat gold) and the CZ could stand for cubic zirconia, a type of synthetic gemstone commonly used in jewelry as a diamond simulant.

Can you really turn ashes into diamonds?

Of course, that's kind of what diamonds are. When you burn something, the ashes are a carbon residue left over from the burning. All a diamond is is carbon which is pressed into a crystalline form with extreme pressure and high heat.

Companies like LifeGem take ashes and put them on a heated, high-powered press and compress them into diamonds.

Is 375 real gold?

375 refers to 9 karat gold, which is composed of 37.5% gold and is commonly used in jewelry making. While it does contain gold, it is considered lower quality compared to higher karat gold such as 18 or 24 karat.

What does the letter p mean on the inside of a ring?

The letter "p" on the inside of a ring likely indicates the purity of the metal used to make the ring. It could stand for platinum, which is a precious metal commonly used in jewelry. Alternatively, it may denote the metal's plating or the manufacturer's brand.

How do you clean diamond?

There are several options for cleaning a diamond. The most highly recommended is to get it professionally cleaned at a jeweler, since s/he has the most appropriate material. Though it is almost impossible to harm the diamond itself with whatever you use, you can hurt the setting, or the metal that the diamond is encased in if we're dealing with a ring.

For this reason, it is discouraged to use boiling water, ammonia, toothpaste, or other abrasives that may damage the setting. Instead, you can use gentler cleaners such as dish detergent.

To get tough grime out of the cracks between your setting and the diamond, you should take it to a jeweler. They usually charge less than $20 for a cleaning, and you don't have to do it more than once or twice a year.

How do you tell if diamond ring is real?

A diamond conducts heat, so a jeweler uses a probe that confirms that the stone you're evaluating indeed meets this criteria.

If you're interested in the quality of the metal, there are other tests that will give you this information.

Are champagne diamonds expensive?

Champagne diamonds are generally less expensive than traditional white diamonds, but their value can vary depending on factors like color intensity, clarity, and carat weight. They offer a unique and warm hue that some people find very appealing. The price of champagne diamonds can range from affordable to more expensive, depending on these factors.

How could you tell if a diamond is SI2 quality?

To determine if a diamond is of SI2 quality, you would need to have it graded by a professional gemologist who examines the diamond under magnification for inclusions and blemishes. An SI2 diamond typically has noticeable inclusions that may be visible to the naked eye. It's important to have the diamond certified by a reputable gemological laboratory to verify its quality.