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Gemstone Information ArticleCollecting Loose Gemstones
By Lee MacRae
Why collect
loose gemstones you ask? Well to begin with they've been sought for their beauty for many centuries. And like their more familiar cousin,
natural diamonds, they can appreciate in value over time. Many people love to find, collect and finish each and every one of the 150 varieties available. Follow along as we discuss the hobby of
loose gemstone collecting.
The very first step in beginning this hobby the proper way is through the power of knowledge. By taking a look in your local bookstore you can find everything you need to know that will prevent you from making mistakes at the start.
Of paramount importance is the color of the gemstone. Gemstones at the top of the ladder have pure colors there as close as possible to the purest spectral colors of orange, green, yellow, Violet or blue. Gemstone colors that are somewhat muted or on the dark side are diminished in value.
The cut of your gemstone is one of the most important traits when buying a gemstone. The stone has to be cut correctly to reflect light properly. A stone that has a poor cut will be muted or washed out. Color saturation, hue and tone will never be consistent.
Another factor to look at is the clarity of the stone under consideration. This means the stones purity or the absence of internal inclusions, particles or spots within the crystal structure. Obviously, stones with a lack of flaws are hard to find and make your stones very valuable.
You will note that gemstones are categorized according to size because of being more uniform than carat weight. But different gemstones may be the same size but differ in carat weights and as a result different pricing structures. This factor comes from the difference in relative density or specific gravity and depends on the materials chemical composition and characteristic crystalline structure. For example, a one carat round diamond with standard proportions will be approximately 6.5 mm in diameter. A ruby that is the same size will weigh in at 1.55 carats instead.
Though you may find gemstones used a lot in jewelry, loose gemstones are great for collecting. Actually there are many interesting and attractive gems that are too fragile or too large to be used in jewelry. Look at each stone and think of it as a piece of art, a miniature sculpture to be treasured for its unique nature and vibrant colors. And in this hobby you don't have to always lay out cash because you can use vacation time to actually hunt for raw gemstones in stead of buying. In the US in Hawaii you can find Peridot and Coral. And in Canada you can hunt for rhodonite at various locations in British Columbia or amazonite (microcline) near Lac St-Jean, Quebec along with the unique deep blue beryl in Canada's Yukon Territory. Take up a hobby of loose gemstone collecting and enjoy yourself.
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Excellent Grade diamonds: Excellent Grade has high brilliance, scintillation and
an even pattern of light and dark areas.
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Proportion refers to the angles and relative measurements of a polished diamond.
More than any other feature, proportions determine a diamond's optical
properties. Studies have shown that table size, crown angle, and pavilion depth
have a dramatic effect on a diamond's appearance. Symmetry is a grading term for
the exactness of shape and placement of facets. Variations in symmetry include
off-center culets and tables, poor facet alignment, misshapen facets, out-of-
round girdles, and wavy girdles.
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Our Latest Gemological ArticleStarting To Collect Loose Gemstones
By Lee MacRae
Many people today say collecting semi-precious and precious gemstones like
loose diamonds or
loose gemstones is a passionate hobby. Many people have a great love of the wide array of gemstones found around the world today. Follow along as we look at a number of factors you should understand in starting in this interesting hobby.
At the very beginning you need to read up on the various gemstones available. This knowledge will help you to know the properties of each stone and prevent you from wasting your money. Without the proper knowledge you can make costly mistakes.
Color is a very important part in the value of the stone. The closer the color of the gemstone is to its purer spectral value the more valuable the stone becomes. Traditional spectral colors include violent, blue, green,, orange and red. Gemstones colors that are darker or palerthan a pure color are considered a lower value.
How a stone is cut is the second most important factor to look at. The precision of the cut is the factor that determines the amount of light is reflected by the gemstone. It will ultimately ultimately determine the stones brilliance and how much someone will pay for it.
The next factor to look at is the clarity of the gemstone under consideration. This means the purity of the stone or the lack of internal inclusions, internal particles or spots within the crystal. Without a doubt, zero flaws would make the gemstone highly valuable.
Next up are weight and size. Except for corals and pearls, all gemstones are valued by the unit called the carat. One carat equals a 0.2 grams. You should know however that weight and size are not the same in gemstones. The density and specific gravity can differ in stones. Take a diamond that weighs 1.00 carats and you will see that a similar sized ruby or sapphire is 1.20 carats.
Although gems are frequently used in jewelry, loose gemstones are great for collecting. In fact, there are many attractive and interesting gemstones that are just too big or fragile to be used for jewelry. Here's a suggestion -- don't think of a gem as a component of jewelry; consider it as a piece of art and value it for its beautiful colors and the finish you apply to it. And unlike many hobbies where you have to buy everthing you can actually go hunting for raw gemstones in the field. In the United States in Virginia you can find Amethyst, Garnet, Beryl and Moonstone. And in Canada you can hunt for nephrite jade in Dease Lake, British Columbia or labradorite on the adjacent islands and coastal area of Labrador as well as ammolite from Lethbridge, Alberta. Think of gemstone collecting for the great hobby it is.
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Emeralds usually have a high number of internal inclusions called "jardins". Consequently, emeralds are fragile and very susceptible to damage from a knock, heat or vibration. Also, the oil on an emerald can be stripped away by cleaning, making the emerald change appearance. If this happens, simply bring it to your jeweler for re-oiling.
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Clarity refers to the amount of �inclusions� or impurities there are in a stone.
If you can see through the stone with an unobstructed view of the bottom facets
called the pavilion), it is a clear stone. Inclusions are usually another
mineral that has been trapped inside the crystal as it was forming. Clarity is
also affected by internal cracks. Generally speaking, the clearer the stone, the
more valuable it is.
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Tue, 09 Dec 2008 10:28:44 -0800
Six brushed silver cubes with one 23kt gold vermeil accent cube. Necklace is 16" long with a sterling toggle clasp. All sterling silver chain and findings.
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Tue, 02 Dec 2008 03:19:32 GMT
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Our Featured Gemstone WriterThe Hobby Of Gemstone Collecting
By Lee MacRae
Gemology is the art, profession and science of evaluating and identifying gemstones from
natural diamonds to
loose gemstones. Many people take up gemology as a passionate hobby. They become interested in making a collection of
loose diamonds or
loose gemstones. A number of these hobbyists start to travel to different areas close by or to other countries to hunt for raw or rough gemstones. Some even tumble or learn to cut their own gemstones. If this hobby interest you read along as this article discusses the various aspects of gemstone collecting.
Right at the beginning, what you need is to get some books from the library or bookstore. You want to know as much as possible about the subject of gemstones. The more you understand about the hobby of gemstones the less likely you are to make a mistake. With adequate knowledge you are less likely to be fooled.
Number one to look at Is gemstone color. Highly prized gemstones have colors that are close to the purest spectral colors of orange, green, yellow, Violet or blue. Muted gemstone colors or too dark can lower the value quite easily.
Gemstone cut is one of the most important traits in evaluating gemstones. The stone has to be cut with precision to reflect the light properly. A gemstone with the poor cut will not reflect the light consistently. Color saturation, hue and tone will always appear inconsistent
Our next consideration is the aspect of clarity. The aspect of clarity refers to the internal conclusions or flaws of a stone. Larger flaws can easily be seen with the unaided eye while others need a 10X magnification.
Next item to look at is the duo of weight and size. Due to their nature gemstones can vary greatly in density and specific gravity. Size and weight are not necessarily equal from stone to stone. Take the example of a diamond that weighs 1.00 carats and a sapphire of equal size would weigh 1.20 carats. An emerald stone would be about 0.95 carats and an Alexandrite stone would be about 1.23 carats.
Collecting gemstones can be a great hobby. And there are so many different types in gemstones you can collect. You could try collecting Malachite, Topaz or Natural moissanite for instance. The varieties are nearly endless. And if money is tight you can find gemstones for yourself instead of buying. For example in Alabama you can find Beryl, blue and yellow; Smoky Quartz and Hematite.
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Sapphires do twinkle. This is caused by the smaller, microscopic stones inside
the primary gem that were created at the same time. This twinkling phenomenon is
known as "silk" referring to its silky and silvery qualities. It appears as a
star that seems to be imposed over a silk like background.
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Gemstones may come in and out of fashion, but the new wave of television shopping channels and Internet sales such as Ebay have stimulated a fashion for gemstone items. The popularity of gemstones such as Sapphires, Amethysts, Topaz and Quartz have increased. Opals again have become highly popular with a surge in Opal mining in Australia.
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