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Thursday, January 22, 2009
Gemstones Info

Gemological Information Article

Collecting Gemstones


By Lee MacRae


Many people, young and old, 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 assorted number of gemstones found worldwide today. Follow along as we discuss a number of things you need to know when starting this gemstone hobby.


The first step in beginning this hobby the smart way is by acquiring knowledge about them. By taking a quick trip to the library or local bookstore you can find everything you need to know that will help you to know exactly what you should do.


The first criteria you need to evaluate is stone color. Without a doubt, gemstones are the most intensely colored natural materials you can find. These materials are so related to their color that they have even lent their names to specific colors. Everyone knows ruby red, emerald green, sapphire blue, aquamarine, turquoise, and jade green Gemstones become higher in value the closer they are to the colors in the spectrum of red, orange, yellow, green, blue, and violet. They are valued much less the farther they deviate from the natural color.



Gemstone cut is very important and is used not only to appraise diamonds but along with your gemstones. A precision cut gemstone highlights the gemstone's color, diminish any inclusions, and show off its symmetry and proportions. One way of determining the excellence in the cut is to consider how consistently it reflects the light throughout the surface of the stone. But if a gem is cut too shallow, most of this light were refracted away rather than reflecting inside the stone. Gemstone color will be washed out.


The clarity of a gemstone is the next item to consider. When we talk of clarity it relates to the absence of flaws or blemishes inside the stone. Generally speaking, a clearer stone is obviously worth more. To determine the flaws not seen with the unaided eye you need a gem microscope or gemstone clarity magnifier. Serious hobbyists will buy an inexpensive 10X gemstone or jewelers loup for viewing their coins, beads, stamps or in our case gemstones.


You will often find that gemstones are often listed according to their size because it is more uniform than carat weight. But two different gemstones may have the same size but differ in carat weights and as a result different pricing structures. This is due to the difference regarding specific gravity or relative density and depends on the materials chemical composition and crystalline structure. Normally a one carat brilliant round diamond with normal proportions is approximately 6.5 mm around. A comparable round brilliant ruby of the same size and proportions will weigh approximately 1.55 carats.


Collecting gemstones as a hobby can become an enjoyable pastime and also rewarding in the long run. You can take your time and not lay out a lot a cash at the start and yet you can end up with some very beautiful stones. Many people love to set aside vacation or weekend time to go looking for gemstones. Take the example of the US. In New Mexico you'll find Turquoise, Garnet, Peridot, Rock Crystal and Obsidian And if you like to travel farther you can find opal in Opalton, Yowah, Queensland, Austalia, topaz in Mt Surprise or O'Briens Creek in Queensland, Australia or check out the quartz regions in Mt Hope or Inverell, New South Wales.


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Amazonite is a gem variety of microcline feldspar. It displays a schiller of
light which is caused by . Amazonite varies from bright verdigris green to a
bluish green and is mined in the United States, Brazil, Zimbabwe, Russia,
Australia and Namibia.
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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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De Beers reigned as the supreme supplier of diamonds until other countries began
successful operations. One country is Australia. Diamond entrepreneurs and
geologists began searching for kimberlite pipes in the Kimberly region of
Western Australia in 1969. The search went on for 10 years and on October 2,
1979 the Argyle pipe was discovered. Once it was decided that the enterprise
would be economical they started to mine the area in 1983, and the Argyle
Diamond Mine was given its commission in December 1985.
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Thu, 22 Jan 2009 04:26:33 -0800
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Small Round Locket Necklace w/Pearl Accent/ss (n-sl2r-ss)

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