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Collecting Prescious And Semi-Prescious Gemstones
By Lee MacRae
Gemology is a term referring to the science, art and profession of identifying and evaluating 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. Some people even begin to visit various locations close by to look for rough gemstones. Some even tumble or learn to cut their own gemstones. If you have an interest in this hobby then follow along as we show you the in and outs of gemstone collecting.
The first step in beginning this hobby the wise way is by getting adequate knowledge about them. By taking a look in your local bookstore you can find books on the subject that will make you an informed buyer.
First on the list to evaluate is gemstone color. Without a doubt, gemstones are the most intensely colored natural material available on earth. Gems have become so synonomous with color, they've even become associated with particular ones. Everyone knows ruby red, emerald green, sapphire blue, aquamarine, turquoise, and jade green Gemstones will have a higher value the closer they are to the colors in the spectrum of orange, green, yellow, violet and blue. They are valued much less the farther they are from the pure natural color.
The cut of the stone is extremely important and factors into appraisal of diamonds but gemstones in general as well. A precision cut will highlight the pure color of the stone, diminish any inclusions, and exhibits good overall symmetry and proportion. One way to determine the precision in the cut of the stone is to consider how well it reflects light on a consistent basis throughout its surface. But if a gem is cut too shallow, most of this light were refracted away rather than reflecting inside the stone. Gem color appears washed out.
Our next consideration is the issue of gemstone clarity. Clarity refers to the the internal flaws ( known as inclusions) or the outside blemishes of a stone. Any large flaws can easily be seen with the unaided eye with the others needing a 10X magnification.
Next comes weight and size. All gemstones [except for pearls and corals] are priced by the unit, carat. A carat is equal to 0.2 grams. However you should know weight and size are not the same in gemstones. Density or specific gravity can very. Take a diamond that weighs 1.00 carats and you will see that a similar sized sapphire or ruby weighs out at 1.20 carats.
Taking up the hobby of gemstones can be very enjoyable and rewarding in the long run. It doesn't have to be very expensive and yet you can buy some very beautiful items. Many people loved to spend weekends to go looking for gemstones. Take the example of the US. In California you can find Agate, Benitoite, Californite, Diamond, Citrine, Tourmaline, Abalone Pearl, Kunzite, Chrysopras Or ou can take a longer vacation and find opal in Coober Pedy, Andamooka or Mintabie in South Australia, topaz in Beechworth, Victoria or check out the Moonstone regions in Moonstone Hill, Queensland, Australia.
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Tips About natural colored diamond
Amethyst is the most highly valued gemstone in the quartz family of minerals. Colors range from pale lilac to deep purple. Amethysts are routinely enhanced, meaning they are heat treated to improve their appearance or durability. They are often considered the color of royalty because amethysts have long been treasured by ancient kings and emperors. They were once prized even more than diamonds. The amethyst is often referred to as the Bishop�s Stone, as it is worn by bishops to symbolize their triumph over worldly vices.
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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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