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Facts about Marvellous Coloured stones

01. Blue Sapphires

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The Sapphire is one of the Big 3 of colored gemstones—the other two are ruby and emerald. A durable stone that's designated as a birthstone for September, it captures the hearts of jewellery buyers with its rich color and aura of romance.

02. Pink Sapphires

Pink sapphires range from red to purple with weak to vivid color saturation and lighter tone. Purple sapphires are similar in color but darker and always have purple as the dominant color. They range from medium to dark reddish purple to violets purple with weak to vivid color saturation.

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Corundum appears in an array of yellow and orange hues that includes bright lemon, soft peach, and vivid tangerine. In specific colour terms, yellow sapphires range from light to dark greenish yellow to orangey yellow with weak to intense colour saturation. The finest yellow sapphire is yellow to orangey yellow with vivid saturation.

03. Orange Sapphires

Orange sapphires range from yellowish orange to reddish orange. The finest orange sapphires are strong, pure orange to red-orange with medium tone and vivid saturation.

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04. Green Sapphires.

Green sapphires range from light to dark bluish green through yellowish green, and are usually low in saturation. Green sapphires are readily available, but their colour isn't very marketable. Their colour is sometimes described as khaki or olive. That's because the stones tend to have low saturation or unattractive colour zoning.

05. Star Sapphires

Stones of the star corundum can be red, blue, black, gray, purple, or yellow—practically every colour under the sun. The term "star sapphire" encompasses all colours of star corundum except red, which is called star ruby.

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In Sri Lankan sapphires, the colour is often concentrated close to the surface of the crystal. If a cutter can orient the culet within the concentrated area of colour, the stone will appear entirely blue in the face-up position.

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Star corundum’s must be cut as a cabochon to display asterism. A finished stone’s attractiveness depends on the star’s orientation and the cabochon’s symmetry, proportions, and finish.

The cabochon must have an appealing appearance, with the star properly centered when the gem rests on its base. The stone’s outline should be symmetrical..

How to keep your jewellery clean & sparkling

We spend millions of dollars on jewelry every year. So it’s must to keep beautiful necklaces, rings, pendants, loose stones, and all other jewelry looking new by learning effective methods used to clean different metals and gemstones.

There is not one way to clean all types of jewelry. Some stones are much harder than certain delicate gems, so the same cleaning methods and products cannot be used on both. Various metals also vary quite drastically, so they require different care. Becoming educated about cleaning jewelry just requires some a little background knowledge and some common sense.

General Jewelry Care

Various types of jewelry require specific care. However, there are a few general rules to follow to keep jewelry in tip-top shape. Prevention is key for any jewelry; taking regular care of metals and gemstones helps to avoid irreversible disasters. Pay attention to the following guidelines of general jewelry care to prevent dirt build-up and tarnish:

  • Check settings regularly because they can become loose over time
  • Take off jewelry before using household cleaners, especially bleach
  • Remove jewelry before exercising
  • Store jewelry in jewelry box, original packaging, or plastic bags
  • Do not spray jewelry with perfume and hair sprays
  • Remove jewelry before applying hand lotions or creams
  • Use a non-abrasive, lint-free cloth for polishing
  • Use soft bristle toothbrush or a jewelry brush for cleaning
  • Remove the band from watches before cleaning

How to Clean Different Types of Jewelry Metal

No two metals are alike. Each type of jewelry metal has its own unique chemical makeup which gives it a special look and feel. Cleaning metal is generally simple and can be done at home, with only severe cases requiring the help of a professional. However, the proper way to clean gold will not work for stainless steel.

Cleaning Gold

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Gold is a soft metal which can nick or scratch if not stored properly. Be particularly gentle with gold when cleaning and polishing. To clean gold, soak for 10 - 15 minutes in a solution of warm water and mild dishwashing liquid or detergent. Scrub with a toothbrush, then polish to dry with a soft cloth. Don’t let the gold air-dry because the extra moisture tends to dull the metal. Also, do not use ammonia or harsh chemicals to clean gold because it is sensitive. You can also find easy-to-use gold cleaning products in stores.

Cleaning Platinum

Platinum can be sufficiently cleaned with a mild soap, warm water, and a good scrubbing from a soft toothbrush. Since platinum is naturally very hard and durable, owners can also soak the jewelry in a mild jewelry cleaner. For general maintenance, soak platinum in either soap and water or in jewelry cleaner for about 15 minutes once a week. Regular cleaning will help remove residue left over from lotions and cleaners. Always polish dry with a soft cloth to avoid spotting. For platinum with many scratches and a lot of tarnish, find a high-quality platinum jewelry cleaner because soap and water might not be enough.

Cleaning Sterling Silver

Sterling silver can tarnish easily so it’s important to be regular about cleaning and maintenance. There are many at-home methods that will easily clean sterling without hiring a professional.

One method is to boil enough water to submerge all the sterling silver pieces. Fill up a bowl halfway with the water after is has boiled. Add 1 - 2 tablespoons of salt to the bowl, depending on the size of the jewelry. Cover the bottom of the bowl with aluminum foil; the aluminum will act as a magnet to attract tarnish and grime. Drop the jewelry into the bowl and gently swirl it around. Let the jewelry sit for 15 minutes, rinse with fresh water, and polish dry. Repeat if necessary.

Alternatively, jewelry owners can place their sterling silver in an aluminum-lined baking dish and then sprinkle some baking soda on top. Take boiling water and pour it over the jewelry. Move the jewelry around to make sure every piece comes in contact with the aluminum. After a few minutes, rinse with cool tap water and pat dry with a soft cloth or paper towel.

There are also many effective, easy-to-use sterling silver cleaning creams on the market today. Most simply require rubbing the cream onto the product and then polishing away with a soft cloth. Most jewelry experts recommend purchasing as silver polishing cloth as well, because silver tarnishes so easily. Sterling silver jewelry cleaning creams and cloths can be purchased at local jewelry stores and online.

Pure silver is very sensitive and should only be cleaned with a phosphate-free detergent and lukewarm water.

Cleaning Stainless Steel

First, rub the surface of the jewelry to remove excess grime. Next, individuals can spray the piece with a window cleaner, like Windex, and rub clean with a paper towel. For tough stains and tarnish, apply a small amount of baking soda with warm water on a gentle cloth and vigorously rub the stainless steel. Afterwards, rinse with cool tap water and dry with a soft towel or jewelry cloth.

Cleaning Gemstones

Gemstones range dramatically in hardness and durability. Before cleaning any gemstone, it’s best to check its ranking on the Mohs Hardness Scale. This scale ranks a gemstone’s ability to resist scratches and abrasions. Softer gems will be ranked 1-6 while harder stones will be ranked 7-10. Also, consult with a jewelry expert to determine how sensitive a particular stone is. When cleaning a gemstone be certain to scrub into all the cracks and crevices, including the small areas between the gem and the setting.

Cleaning Hard Gemstones

Rubies, emeralds, sapphires, topaz, quartz, and similar jewels can be cleaned by soaking for 10-15 minutes in warm water and a mild soap or detergent. Many experts recommend using baby soap. Use a soft bristled toothbrush or jewelry brush to clean the crevices on the stone’s surface. Then, polish dry with a jewelry cloth or soft towel.

Additionally, owners of diamonds, rubies, sapphires, and emeralds can soak the jewels in club soda to give them a bright sheen. Simply place them in a glass full of club soda and let them soak overnight. For those who find a small spot and want a quick fix, they can dip a soft cloth in vodka to remove a stain and restore shine. Consumers can also find simple gemstone cleaning products in stores.

Cleaning Soft Gemstones

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Don’t soak opals, talc, gypsum, calcite, and other stones ranking 5 and under on the Mohs scale in soap and water. Delicate gems should not be exposed to liquid for long periods of time because they can easily deteriorate. Instead, dip a very soft cloth in a mixture of gentle dish soap or baby soap. Wring out the cloth very well. Clean the surface of the stone with the cloth. Do not use a toothbrush or jewelry brush to clean soft gemstones. Polish dry with another soft cloth.

Cleaning Diamonds

Diamonds are the hardest gemstone and can withstand harsher cleaning methods than other stones. Mix a solution of hot (almost boiling) water with one-quarter cup ammonia. Soak the diamond for 20 minutes and then scrub with a soft toothbrush. Rinse with lukewarm water and lay flat on a paper towel to dry. Polish with a jewelry cloth. Rubbing a diamond with vodka makes a great polish. It helps remove surface stains and restore shine.

Many jewelers swear by cleaning diamonds with window cleaner. The durability of diamonds can stand up to the harsh ammonia without damage. Simply spray window cleaner on the stone, scrub with a soft toothbrush, and polish dry with a soft cloth or paper towel.

Cleaning Pearls

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Pearls are extremely sensitive, especially when strung together in a necklace or bracelet. Gentle pearl cleansers specifically designed to safely clean these precious gems can be bought in jewelry stores, department stores etc.

Never soak a strand of pearls or even a single pearl in water. Don’t use other creative at-home remedies, like vodka, ammonia, or window cleaner, to polish. Instead, rub individual pearls with a soft, clean towel which has been dampened by a mixture of warm water and mild detergent, baby soap, or dishwashing liquid. Let the pearls air-dry overnight. Additionally, those who own pearls can purchase easy pearl cleaning kits which are specially designed for safe cleaning.

Ultrasonic Jewelry Cleaner

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Using ultrasonic waves and liquid, the machine lifts particles, dirt, grime, and tarnish right off the jewelry. Necklaces, earrings, rings, loose stones, bracelets, and more can be cleaned in these special cleaning machines. Ultrasonic owners can choose to use regular jewelry cleaner, mild detergents, or plain tap water inside their cleaner; various types of jewelry materials will require different cleaners.

Consumers who own gentle gemstones, like pearls, quartz, turquoise, and other soft stones, will need to purchase a special ultrasonic cleaner that can accommodate delicate jewelry. Many cleaners are made for harder stones and durable metals. Always consult with the manufacturer or jeweler about a particular gem or material before using an ultrasonic cleaner.


Some people spend hundreds if not thousands of dollars on jewelry in their lifetime. So it only seems perfectly logical to clean and protect jewelry with a few simple household methods and products. Polishes, gels, creams, stain removers, and ultrasonic cleaners can all be purchased online or in stores. Jewelry cleaning products and methods are specifically designed for certain types of metals and gemstones, and using the wrong product to clean jewelry can lead to permanent damage. Reviewing proper techniques can help save jewelry and keep it looking like new for years to come