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Fine Jewelry University Articles matching: “Man made”
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Platinum
…and discoloration due to chlorine and other chemicals. These factors, along with its strength and white luster, have made platinum an increasingly popular choice for jewelry, either on its own or as the setting for diamonds and other … to the ideals of eternal true love. All over the world, engagement rings, wedding bands and anniversary rings made in platinum symbolize the everlasting endurance of love. Platinum is pure, an expression of integrity, a reflection of …
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Styles of Earring Backs
… is very inexpensive. A good option for less valuable jewelry, or children’s wear. CONS Wear Out – They are only made of rubber, and will get worn out fairly quickly. Security – Not recommended for use with valuable jewelry. Ear Wires (…The backless style is not as secure as lever backs or other similar styles Irritant – If used with costume jewelry made of non-precious metals, it may cause irritation to sensitive skin. Gold options found on more valuable jewelry do not …
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What are “Blood Diamonds”?
… used to fund military action in opposition to those governments, or in contravention of the decisions of the Security Council.” These diamonds are sometimes referred to as “blood diamonds.” In July 2000, the global diamond industry made clear to the international community its zero tolerance policy towards conflict diamonds. Dedicated to eradicating the trade in conflict diamonds, it worked closely with the United Nations, governments and non-governmental organizations…
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Gem in the Spotlight: Ruby
… the wearer from injury and to keep them safe and healthy. Many cultures believed that wearing rubies in battle made warriors invincible and protected them from harm. Innumerable powers have been associated with the ruby throughout time. …For much of human history, rubies have been the most prized gemstone. But, what is it about this red gem that has captivated our … color? It’s rarity, and thereby its high cost? Or, is it something deeper? Whatever it is, ruby’s impact on humanity is broad and deep, with arguably the richest history of all gemstones. Gemology of Ruby Rubies are in the corundum gem …
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Gem in the Spotlight: Pearl
…are considered “real” or genuine pearls. Fake or imitation “pearls” would refer to beads or objects that are made to look like pearls but are in fact a different material altogether (e.g. plastic, shell, or some type of composite). …cherished for hundreds of years. Only more recently have cultured pearl farming techniques been introduced that have made these incredible gems more widely accessible. The La Peregrina pearl is one of the most famous natural pearls in the…
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The Difference Between White Gold and Platinum
… is itself a white metal. White gold and platinum have their own properties that make them unique. How is white gold made? White gold is an alloy of gold and some white metals such as silver, nickel or palladium. The white color is …ruthenium is often used as a hardener alloy. Platinum is usually marked with .900 or .950 to mark its fineness. Some manufacturers state what alloy they are using like 90% Platinum 10% Iridium. How white gold and platinum start out is …
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Types of Necklace Chains
…them to need a bit more frequent cleaning than other chain types. Herringbone Chain The classic herringbone chain is made with short links that are connected in an offset V pattern. These chains are wide and flat with a very thin profile… omega chain has a flat, smooth, and shiny look. Some key differences from herringbone chains are omega chains are made of small metal plates that are installed very close together over a wire mesh. The wire substructure, which is often …
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Gem in the Spotlight: Quartz
… banned its use when describing green quartz. The Macrocrystalline or Crystal Varieties of Quartz These gems are made of one, single crystal, and they include some of the most widely known and recognizable quartz species. If you were born… varieties have a long tradition of being special to people. Microcrystalline means that the stone is made up of smaller crystals and not one big crystal. Sometimes you can see this structure with your naked eye as with Drusy Quartz, or …
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Gem in the Spotlight: Tourmaline
…. This includes bi-color, tri-color, and more. The most common combination of colors is green and pink, but many other combinations of colors exist. Parti-colored tourmaline occurs when the gem is getting formed and the environment … on which trace elements are present, as well as their concentration, different colors will be present. Copper, manganese, chromium, and vanadium are the key coloring agents in tourmaline. Another unique facet of tourmaline is its …
