Can you scratch a diamond with your fingernail?

Soft - can be scratched by a fingernail, Mohs' 1-2; Medium - can be scratched by a knife or nail, Mohs' 3-5; Hard - cannot be scratched by a knife but can scratch glass, Mohs' 6-9; Diamond is the hardest known mineral, Mohs' 10.
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Can a diamond be scratched by anything?

There is nothing that can scratch a diamond except another diamond. A mineral like talc, on the other hand, is a 1 on the scale. You could scratch it with any hard material, even your fingernail.
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Can a steel nail scratch a diamond?

Can You Scratch a Diamond With Metal? You can't scratch a diamond with metal, but you can scratch metal, including gold and silver, with a diamond. Most metals fall at or below a 5 on the Mohs scale.
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What object can scratch a diamond?

As you can see, diamond is a 10 on the Mohs Hardness Scale. Diamond is the hardest mineral; no other mineral can scratch a diamond. Quartz is a 7. It can be scratched by topaz, corundum, and diamond.
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Can you scratch a diamond by dropping it?

Even though diamonds are the hardest material known, they aren't indestructible. The toughness of a diamond is good compared to other gemstones, but it's rather poor when you compare it to engineering materials. However, it's highly unlikely for a diamond to get chipped if dropped on a regular floor.
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Can you scratch a diamond with sandpaper? (Part 3/3)



Can real diamonds chip or scratch?

Even though diamond is the hardest natural material, it can chip and fracture in the course of normal wear.
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How can you tell if a diamond is real?

Lay the stone onto the dot with the flat side down. Through the pointed end of the diamond, look down onto the paper. If you see a circular reflection inside the gemstone, the stone is fake. If you cannot see the dot or a reflection in the stone, then the diamond is real.
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Can you damage a diamond?

Diamonds are hard, but they can be damaged. It is possible to break or chip a diamond. Breaking or chipping isn't the only way to damage a diamond. You can damage a diamond with chemicals that cause it to look dull and cloudy or discolor the stone until it is professionally cleaned.
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Can a knife scratch a diamond?

Soft - can be scratched by a fingernail, Mohs' 1-2; Medium - can be scratched by a knife or nail, Mohs' 3-5; Hard - cannot be scratched by a knife but can scratch glass, Mohs' 6-9; Diamond is the hardest known mineral, Mohs' 10.
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Can sandpaper scratch a diamond?

As a matter of fact, you will have to take sandpaper to surface, but if your diamond is real, you need not fear: there will be no damage. You have probably heard that diamonds are the hardest natural substance on Earth, and this is the truth.
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How can you test a diamond?

This one's easy: Get a glass and fill it with water (it doesn't matter what type of water you use). Drop the diamond into the glass of water. Due to the high density of diamond, when dropped into water a real diamond will sink. If the diamond floats to the top or middle of the glass, it's fake.
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What is harder than a diamond?

(PhysOrg.com) -- Currently, diamond is regarded to be the hardest known material in the world. But by considering large compressive pressures under indenters, scientists have calculated that a material called wurtzite boron nitride (w-BN) has a greater indentation strength than diamond.
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Can diamonds crack or chip?

Diamonds do not crack.

You will either chip the diamond completely or not all. Often a client will see an inclusion in a diamond and think it is a crack -rest assured these are just inclusions. Inclusions in diamonds don't usually lead to a diamond chipping.
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Can you tell if a diamond is real by scratching glass?

Scratch Test

Because diamonds are ranked hardest on the Mohs scale, a real diamond should scratch glass. If your stone does not leave a scratch on the glass, it is most likely a fake.
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Why does my diamond look cracked?

The “crack” is a reflection from the diamond's girdle and is a so-called girdle reflection. This phenomenon is caused by the pavilion facets and is the answer to the horizontal line in the diamond. As you can see in the image above, the reflection is only visible from the side and not when seeing the diamond face up.
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Can paper towel scratch a diamond?

Gently brush the diamond with a soft toothbrush while it's in the suds, being careful not to scratch the metal of your setting. Then, rinse your ring under warm running water. Pat dry with a soft, lint-free cloth. Important note: Do not use paper towels; they can scratch the metal in your setting.
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What gemstone can scratch a diamond?

Only a diamond can scratch a diamond. Corundum can scratch itself, topaz (8), quartz (7), and anything softer. Topaz can scratch itself, quartz (7), and anything lower on the scale.
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Do diamonds get cloudy?

There are various reasons why your diamond appears foggy, dull or cloudy. Experts struggle to advise without seeing specific diamonds. Cloudiness typically derives from the internal structure of the diamond, rather than the surface. For this reason, we rarely reverse the effect of a hazy appearance.
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Can diamond break easily?

Diamonds are the hardest naturally occurring substance on earth. More information on diamonds. Diamonds are the most popular choice for engagement and wedding rings because they are almost indestructible, meaning it is nearly impossible to break a diamond.
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Can you touch diamonds?

The Golden-rule for handling diamonds

Don't use your fingers! If your diamond is set into a ring, avoid touching the diamond itself. Dirt and grease will transfer from finger to diamond, and the stone will rapidly lose its sparkle. If you touch the diamond, use a clean polishing cloth to remove fingerprints and grease.
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Do real diamonds shine rainbow?

We all love how a diamond shines in the sunlight. Test your stone by putting it in direct sunlight and examining the colors it reflects. A real diamond will reflect both rainbow colors as well as white light. If you only get one of the two, then the diamond isn't real.
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Do fake diamonds shine rainbow?

A fake diamond will have rainbow colors that you can see inside the diamond. “People have a misconception that diamonds sparkle like a rainbow, but they don't,” Hirsch said. “They do sparkle, but it's more of a gray color.
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Do diamonds shine in dark?

Solution : Diamonds do not have their own light. They shine when light incident on it, refracts inside it and suffers multiple internal reflection and remains trapped in it. Due to this it shines. However in dark room, there is no light that can penetrate inside, hence it does not shine or is neither visible.
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Do fake diamonds sink in water?

True diamonds have high density and should quickly sink to the bottom of the glass. Fake diamonds are not as thick, and therefore, more likely to float in water. This test is not always foolproof. Some materials that make up fake diamonds, such as cubic zirconia and moissanite, can sink if they are heavy enough.
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