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Fine Jewelry University Articles matching: “Thailand 925 ci”
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Fine Jewelry University (Show All FJU Articles)
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Gem in the Spotlight: Quartz
… gems are made of one, single crystal, and they include some of the most widely known and recognizable quartz species. If you were born in February, you probably already know all about Amethyst since it’s your birthstone. Of course, the… surface, all of these fancy names are just different ways of saying “Quartz!” Crystal Name Color Amethyst Purple Citrine Yellow to reddish orange to brown, greenish yellow Prasiolite Green (often mistakenly referred to as Green …
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Gem in the Spotlight: Tourmaline
… flies under the radar in the gem world and remains the best kept secret of gem collectors and connoisseurs who appreciate its unique properties and stunning array of colors. In fact, tourmaline is found in almost any color you can …, sapphire, or emerald. Gemology of Tourmaline Gemologically speaking, tourmaline is its own mineral and not a species or member of a different family (unlike emerald and aquamarine, for example, which are members of the beryl family). …
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Is a Lab Grown Diamond Right for Me?
Picking a diamond for your engagement ring is a big decision. For most of us, buying a diamond is a significant financial undertaking, and we want to get it right. … completely false). We’re here to help cut through some of the rhetoric, so you can make an informed and logical decision about what kind of diamond is right for you. First of all, if you’re not sure what a lab grown or synthetic …for you? Let’s take a look at the pros and cons. Pros, the benefits of lab grown diamonds The first and most often cited benefit of lab-grown diamonds is their environmental sustainability . While this issue hasn’t been full studied yet…
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How to Sell Your Jewelry
…/24 or .750 gold. Platinum most of the time is 90% pure and 10% alloy. Silver jewelry is usually sterling, which is .925 pure. The three units of weight used with precious metals are troy ounces, pennyweights, and grams. The troy ounce …. The other extreme is that the jewelry could be antique. Antique jewelry is highly collectible and may require a specialty option to sell. Knowing if your jewelry is just old and out of style or an antique can mean the difference of …
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Types of Jewelry Clasps
…anklets. Clasps allow for easy attachment and removal of the jewelry and provide a secure way to wear and display precious pieces. The history of jewelry clasps dates back centuries, and we can watch as clasps have evolved over time to … and styles. One of the earliest forms of jewelry clasps was the simple hook-and-eye clasp which was used by ancient Egyptians and is the oldest known clasp style. This type of clasp was often made from softer metals like gold or copper…
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Gem in the Spotlight: Iolite
… is an optical phenomenon in which a substance appears to be different colors when observed at different angles, especially with polarized light. Pleochroism is caused by differing absorption of light rays in doubly refractive crystals… in at 7 to 7.5 on the Mohs hardness scale, iolite is a somewhat soft gem. It is comparable to quartz (Amethyst, Citrine, etc), a little harder than Opal, and softer than Emerald or Topaz. Because of this, some extra care should be …
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Gem in the Spotlight: Amethyst
…index as other varieties of quartz at 1.54-1.55 and is doubly refractive. It has a vitreous polish luster and its specific gravity is 2.66. Its chemical composition is SiO2. History and Lore The rich history of amethyst dates all the …amethyst. Amethyst has a long history of being used in jewelry and other decorative items. It was highly prized by ancient civilizations such as the Egyptians, who believed that amethyst had the power to protect against evil spirits and…
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Anatomy of a Ring
Knowing the different parts of a ring can help you make a better decision when choosing a new ring and it can help you know when your ring may need maintenance. It’s also a fun way to … knowledge of jewelry terms. Shank Every ring has a shank. This is the technical term for the band of metal that encircles the finger. There would be no ring without the shank. If the ring has a distinct design feature on the top part, … can wear thin—yes, even gold and platinum can wear away. In such cases a jeweler can “re-shank” the ring by replacing the metal at the bottom of the shank, going as far up the sides as the design and the extent of the wear require. If …
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The Birthstones
… day. Garnet varieties brighten the world in colors of yellow to gold, bright orange to true orange, brown to cinnamon, pinks to greens, and of course many shades of red. Garnets are given as symbols of consistency, perseverance and …give them courage and tame the sea. Aquamarine was used to bring happiness, eternal youth, and control passion. In ancient times the aquamarine was believed to instill courage in those who wore them. Learn more about Aquamarine April’s …
