So You Want To Collect Loose Gemstones
By Lee MacRae
Gemology is the art, profession and science of evaluating and identifying gemstones from loose gemstones to natural diamonds. A number of people taken up this profession as a hobby. They become interested in collecting loose gemstones or loose diamonds. Some people even begin to travel to different areas to hunt for raw or rough gemstones. Some even tumble or learn to cut their own gemstones. If you have an interest in this hobby follow along as we reveal the various aspects of gemstone collecting.
The first step in starting the hobby of collecting gemstones the wise way is by getting adequate knowledge about them. By visiting a local library you can find a number of books to broaden your knowledge and that will help you to know exactly what you should do.
First, color is a major part in evaluating a gemstone. The closer the color of the gemstone is to its purer spectral value the more valuable it is. Traditionally, these specter colors are orange, green, yellow, Violet and blue. Colors that are paler or darker than the pure color diminish the value of the stone.
Cut is one of the all-important 4Cs and factors into appraisal of diamonds but gemstones in general as well. A precision cut gemstone highlights the pure color of the stone, lessen any inclusions and exhibits good overall symmetry and proportion. One way to determine the precision of gemstone cut is to consider how well and consistent it reflects light throughout its surface. If the gemstone is cut to shallow much of the light will refract out of the gem instead of reflecting inside the gemstone. Gemstone color will be washed out.
Next to look at is the aspect of clarity. Clarity refers to the the internal conclusions or flaws of the gemstone under consideration. Larger flaws are visible to the naked eye while others require close examination using a 10X magnification.
Next up are weight and size. Save for pearls and corals, all gemstones are priced by the unit, carat. One carat equals a 0.2 grams. You should know however that weight and size are not the same in gemstones. Density or specific gravity can very. Take a diamond that is 1.00 carats in weight and you will find that a Sapphire or ruby of the same size would weigh 1.20 carats.
Taking up the hobby of gemstones can be very enjoyable and could be rewarding as well over time. You don't need to spend a lot of money and yet you can buy some very beautiful items. Many people love to set aside vacation or weekend time to go hunting gemstones. Take the example of the US. In Maryland you can search for Beryl and Clam Pearl. Or ou can take a longer vacation and find opal in Coober Pedy, Andamooka or Mintabie in South Australia, topaz in Torrington, New South Wales, Australia or hunt specimens the quartz regions in Wave Hill in the Northern Territory of Australia.
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The Peruvian opal is said to aid sleeping and calming down the mind. It is a
blue opal that is quite rare and can only be found in the Andes Mountains in
Peru. It has a Caribbean color to it, and is considered the national gemstone of
Peru. Charlatans have taken to pushing dyed blue opals onto the market. Experts
say that if the blue color of the stone appears to be uneven then it is probably
a dyed stone and not a valid opal.
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The 1759-carat Guinness Emerald Crystal. The stone was found at the Coscuez in
Columbia and is one of the largest gem-quality emerald crystals in the world.
Today it is part of the collection of the Banco Nazionale de la Republica in
Bogot� Columbia
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