My Gemstones Scene Reviews
How To Start Loose Gemstone Collecting
By Lee MacRae
The term gemology refers to the profession, science, and even art of evaluating and identifying gemstones from loose gemstones to natural diamonds. A number of people taken up gemology more as a hobby. They become interested in collecting items like loose gemstone or natural diamonds. Some people even begin to visit various locations close by to look for raw gemstones. Some of them will even tumble or finish off the gemstones themselves. If you have an interest in this hobby read along as this article discusses the different aspects of this hobby.
To begin with your first priority is to get yourself some reading material. You want to know as much as possible about your new hobby. The more you know about each kind of gemstone the wiser will be your purchases. You need to be as informed as possible.
Color is a subjective idea but a very important part in the value of the stone. The closer the color comes to its pure spectral color the more valuable it is. Traditionally, these specter colors include violent, blue, green,, orange and red. Colors that tend to be paler or darker than the pure spectral color tend to be less valued.
Gemstone cut is one of the most important traits when you value gemstone. The cut has to be done correctly to reflect light properly. A poor cut can't reflect the light consistently over its surface. Color tone, saturation, and hue will never be consistent.
Our next consideration is gemstone clarity. Clarity refers to the the internal conclusions or flaws of the gemstone under consideration. Normally large flaws can easily be seen with the unaided eye while others require close examination using a 10X magnification.
You will note that gemstones are categorized according to their size criteria since it is more uniform than carat weight. But two different gemstones may be of the same size but different carat weights and consequently, different prices as well. This is due to gemstone difference of specific gravity and depends on the materials chemical composition and characteristic crystalline structure. A one carat round brilliant diamond, for example with standard proportions will be approximately 6.5 mm in diameter. A comparable a brilliant ruby of the same proportions in size will weigh approximately 1.55 carats.
Collecting various gemstones can be very rewarding hobby. And there is such a variety in gemstones you can collect. You could try collecting Jasper, Opal (Girasol) or Clinohumite for instance. The choice and beauty and variety is almost endless. And if money is tight you can go gemstone hunting and find the raw materials instead of buying them. Take the example of the US. In Colorado you can find Beryl, Aquamarine, Phenacite, Garnet, Amethyst, Agate, Citrine, Pyrite, Rose Quartzcomma
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In Australia, Cambodia and Thailand sapphires have developed over millions of
years from rich deposits of molten carbonatite that has a lot of aluminum mixed
with it. At first they were situated deep in the earth's crust where there was a
presence of high pressure and extremely high temperatures. It was basalt
volcanic activity that propelled them to the surface along with other minerals,
and finally they were laid to rest on the valley floors.
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Weighing 138.7 carats, the Rosser Reeves Ruby is one of the world's largest and
finest star rubies. This Sri Lankan stone is renowned for its great color and
well-defined star pattern. Advertising mogul Rosser Reeves, who donated the
piece to the Smithsonian in 1965, carried it around as a lucky stone, referring
to it as his baby. He often stated that he had acquired the stone at an auction
in Istanbul in the mid-1950s. He actually bought the stone from Robert C. Nelson
Jr. of New York who was acting on behalf of Firestone & Parson of Boston.
Firestone & Parson were selling the stone for Mr. Paul Fisher of New York. Mr.
Robert Fisher, Paul's father, had bought the ruby at an auction in London in
1953. At the time the ruby then weighed just over 140 carats, but was very
heavily scratched, and a few carats were removed in the repolishing. The
repolishing also helped to center the stone's star. Articles in the New York
World-Telegram and The Sun in 1953 mentioned this fabulous gemstone.
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Charcas, San Luis Potosi in Mexico is world reknown for it's Danburite the large
clear crystals are easily found on the mineral markets. Topaz is also found here
and can be quite nice. A variety of grossular known as "Raspberry Garnet" is
found in Coahuila and another garnet gem found in Mexico is andradite which
forms iridescent green gemstones. Another green gem is olivine and it is mined
in the Chavira peridot-olivine mines in Chihuahua.
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The Latest loose diamond for sale News
A picture in every direction - South Bend Tribune
Fri, 26 Sep 2008 11:08:14 GMT
A picture in every direction South Bend Tribune, IN - We were working out at Diamond Lake (Cassopolis) one day and driving back to Niles when I saw the for-sale sign out of the corner of my eye. ... |
Ponderings from PapaBear - Sporting News
Wed, 08 Oct 2008 14:13:00 GMT
Good morning friends. There is a lot going on in the world of sports these days. Major League Baseball has reached it's Championship Series in both leagues and those young Tampa ...
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