Scratches

Scratches are fine white straight or curved lines on the surface of the diamond, which arise from contact with other diamonds (Fig 342). They can easily be removed by re-polishing and do not influence the quality of the polish unduly.

How do I remove scratches from my jewelry?
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Scratches: These are referred to as thin lines on the surface. It is mostly formed when the stone undergoes the different steps of gemstone processing like cutting or polishing. There are very less chances that it happens naturally.

Scratches
Scratches are scratches on the outside of the Diamond usually caused by the polisher or rubbing up against another Diamond.
Grain Lines ...

Scratches - Narrow, shallow, elongated, rough-edged depressions on the surface of a fashioned diamond, usually appearing as faint white lines under magnification.

7 (SCRATCHES WINDOW GLASS, SCRATCHED BY STEEL FILE)
8 - 10 (SCRATCHES WINDOW GLASS, NOT SCRATCHED BY STEEL FILE) ...

Scratches Ruby
Diamond: 10
Mokume Gane
Japanese metalworking technique that creates a finish resembling the wood grain.

Nicks, Scratches and Abrasions
Natural: A portion of the diamond's rough or original surface left on a polished stone, usually at the girdle.
Polish Lines: Fine, transparent or white parallel grooves and ridges left by polishing.

Abrasions and scratches often occur during the final prong shaping. Therefore, shape the prongs as much as possible before setting the stone. Once the stone is set, finish any shaping with a safety-edge file.

Whichever mineral scratches the other is harder, if both scratch each other then they are of the same hardness.

This type of cut is often used with high quality emeralds and long diamonds because the cut may amplify the appearance of scratches or inclusions in poorer quality stones.

As with all gemstones, care should be taken to protect it from scratches, sharp blows, and extreme tempera-ture changes.
Garnets are found in the U.S., Africa, Sri Lanka, Brazil and India.
February
Amethyst ...

Amethyst should be protected from sharp blows and scratches but is otherwise quite resistant to normal wear. It may be cleaned with most any commercial jewelry cleaner or mild soap and lukewarm water using a soft brush.

Higher the level of hardness, better the chances of the gemstone's resistance to scratches and abrasion. Also, the chemical structure of ruby makes it very tough, helping in resistance to breaking, chipping and cracking.

Coral is much softer than other gem materials, and as a result it should be stored carefully to avoid scratches. Cosmetics, hot water and bright sunlight are damaging to it.

scratches and wheel marks
Scratches are caused by improper storage of the diamond in the diamond paper or contact with other diamonds. If diamond is polished without care, grooves called wheel marks can occur.
extra facets ...

Opal is brittle, heat sensitive, and breaks and scratches easily. Some varieties self- destruct through the loss of water. Even with these drawbacks, opal still is a premier gemstone.

Whilst its good hardness protects the emerald to a large extent from scratches, its brittleness and its many fissures can make cutting, setting and cleaning rather difficult.

The mineral scratches topaz; is infusible before the blowpipe; and when fused in powder with acid potassium sulphate, and dissolved in water, yields a bulky precipitate of alumina with ammonia." ...

It must not have pits or scratches or wrinkles, or little raised spots upon it, or any cracks in it.

If a reference mineral both scratches and can be scratched by a certain test specimen, then the specimen is assumed to possess a hardness equal to that of the reference mineral in question.

But many diamonds have inclusions - scratches, trace minerals, or other tiny characteristics that can detract from the pure beauty of the diamond.

Clarity: Small cracks, fissures and scratches are almost always present in even the most perfectly formed diamonds. These cracks and scratches are referred to as 'inclusions' or 'blemishes', and can detract from a diamond's beauty and value.

To prevent such scratches, separate diamond jewelry in your jewelry box. Diamonds also can scratch other gems or jewelry, especially soft items like pearls. And even though diamonds are hard, they can be brittle, especially along thin edges.

External flaws of a gem include scratches, pits, abrasions and nicks. These are usually found on either facet or griddle of a gem. External flaws are outside defects that are mainly caused due mishandling of stones.

Its purpose is to remove deep scratches left by coarser abrasives during grinding. Since it removes material less rapidly, it also allows more delicate control over final shaping of the stone prior to polishing.

Many diamonds are cut to prevent accidental nicks, scratches and breaks. Except for the Princess cut, which is a square-cut diamond with pronounced corners, most corners on angular diamonds are rounded.

To minimize scratches and other damage, store your silver jewellery either in a cloth pouch or in a separate compartment in your jewellery box.

Due to its durability it is protected from any type of scratches. The intensity of the color determines the value of the stone. The color of this precious stone varies from deep sea blue to pale blue.

A soft and porous gem, coral scratches and abrades easily and chlorine, alcohol, ammonia, nail polish remover, and other chemicals can damage it. Remove coral rings when washing and moisturizing your hands.

These can include scratches, nicks or chipping, pits or holes in a facet, or a natural (an area that hasn't been polished). Occasionally they can be fixed, but it's best to ask a lot of questions to find a diamond without any blemishes.

5; it chips and scratches easily. It has a specific gravity of 2.4 to 2.9. Water can dull its sheen. Lapis lazuli contains the minerals calcite (which decreases its value), pyrite (which can increase its value), and sodalite.

Protect Alexandrite from scratches, sharp blows, harsh chemicals and extreme temperatures. Be especially careful when getting this stone (re)mounted as the heat from a jewelers torch may affect its color change.

Nicks - Small chips at facet junctions.
Scratches - Grinding Wheel Marks of scratches from contact with other diamonds.
Burn Marks - Surface burning from heat buildup during polishing.

Unlike gold, platinum is virtually impervious to scratches. Even if it does scratch, you can have it re-polished without losing any of the metal. Platinum is also an excellent option for people who suffer from allergies to gold and other metals ...

Will platinum scratch? Signs of wear, including scratches, will inevitably appear in all precious metals, even with platinum. Due to platinum's amazing durability and strength, however, there is little or no material loss when it is scratched.

Polish features largely describe the condition of the surface of the stone, and include abrasions of the facet junctions and the culet, rough and bearded girdles, nicks and pits, and scratches and polishing marks if they do not affect the clarity ...

Blemishes include scratches, pits, and chips. Some blemishes occur during the cutting processes (most often at the girdle). Diamonds with no or few inclusions and blemishes are more highly valued than those with less clarity because they are rarer.

Store peridot jewelry with care to avoid scratches and protect from blows. Because peridot is sensitive to rapid changes in temperature, never have it steam cleaned and avoid ultrasonics.

Over the years this author tired of retouching dust out of the background or scratches on the black glass that support the mineral.

Hardness: How well a gemstone resists scratches and abrasion. See also Moh's Scale.
Head: An attachment that holds a gemstone. Usually 4 prongs, but can be from 3 to 12 or more as a rule.

The purpose of sanding is to remove deep scratches left behind from sawing and grinding processes. This process removes material less rapidly, which ultimately allows more delicate control over final shaping of the stone prior to polishing.

while externally they may appear as scratches and fissures. Sometimes an inclusion does not affect a diamond's brilliance or gets easily hidden by its setting.

For instance, if polished too quickly, polish lines might appear as minute scratches on a facet's surface. It is even possible for the cutter to burn the diamond.

Examples of blemishes include pits, nicks, scratches, chips or even an extra facet where none should be. A blemish is an imperfection on the outside of a diamond or gemstone, which differs from an inclusion.

Bobbing: Sand bobbing is a process used for polishing soft metals and removing scratches, pit marks and other imperfections without dragging the metal.
Bobbing Compound: A tripoli type compound used as a fine abrasive before polishing.

The resistance a gemstone has to scratches and abrasions
Hematite
A heavy, metallic gray to black gemstone used in beads and often in intaglios ...

Brushed: Similar to Matte finish, a brushed finish is composed of tiny striations, or scratches, in the finish as made by a metal brush. If the striations are very fine, the finish is similar to matte. The terms are often used interchangeably.

For example, if mineral X scratches mineral Y, and mineral Y does not scratch mineral X, then mineral X is harder than mineral Y. If mineral X and Y both scratch each other, then their hardness is equal or very similar.

Crystal (Watch)
The clear cover over the dial of a watch that protects it from dirt, scratches and internal damage. Typically made of glass-like substances such as plastic. High grade watches usually have synthetic sapphire crystals.

Patina - a soft luster on silver, caused by tiny scratches that come with frequent use.
Pencil Style - a tall, thin stylized sculpture reminiscent of "Old World" folk art.

Pearls are exceptionally cohesive and shock-resistant, but may be scratched by contact with sharp objects or other gemstones. To prevent tangles and scratches, fasten clasps and pins, ...

There are slight scratches on one of the pentagonal facets. The maximum dimensions of the stone are 25.7 mm long, 20.06 mm wide and 14.3 mm deep. The weight is 11.046 grams or 55.

Care should be taken to protect it from scratches and sharp blows. Although the darker, orange colors of citrine have generally been the most valued colors, in modern times, many people prefer the bright lemony shades, ...

Blemishes: The term blemish is used when the diamond has scratches or marks on the external area of the stone.

Striations are grooves, lines and scratches found naturally in some minerals.
SUGAR BEADS ...

Patina: A satin sheen that develops on the surface of platinum, produced by daily wear and tiny scratches. Many people prefer this unique look, and avoid polishing their platinum.

Quartz is the most common mineral in the earth's crust and as a gem it is also the most commonly used of the minerals. In the form of minute dust particles in the air, it scratches other gemstones of lesser hardness.

One of the most basic rules of jewelry care is to apply all lotions, make-up, hair spray, etc. first, before you put on your jewelry. To minimize scratches and other damage, ...

See also: Scratch, Stone, Jewel, Color, Gemstone