Our Featured Gemological Writer
How To Collect Loose Gemstones
By Lee MacRae
Gemology is a term referring to the art, profession and science of evaluating and identifying rocks known as natural diamonds or loose gemstones. A number of people taken up gemology as a hobby. They collect and evaluate loose diamonds or loose gemstones. Some people even begin to travel to different areas to look for rough gemstones. Some hobbyists will learn to cut or tumble the gemstones they find. If this hobby interest you then read along as this article discusses the things you should know to start this hobby.
To begin with your first priority is to get yourself some books on gemstones. You want to learn everything there is to know about your new hobby. The more you understand about gemstones the wiser will be your purchases. You'll know exactly what to look for in a quality stone.
Color is a subjective idea but a very important part in evaluating a gemstone. The closer a color is to its pure spectral color the more valuable it is. Traditionally, these specter colors are orange, green, yellow, Violet and blue. Colors that are darker or palerthan a pure color diminish the value of the stone.
Gemstone cut is very important and is used not only to appraise diamonds along with gemstones. A precision cut gemstone showcases the natural color of the gemstone, diminish any inclusions, and show off its symmetry and proportions. One way to determine the precision regarding the cut of the gemstone is if it is able to reflect light on a consistent level throughout the surface of the stone. If the stone is cut on the shallow side most of this light were refracted away rather than reflecting inside. Gemstone color will be washed out.
Our next consideration is the issue of gemstone clarity. The aspect of clarity refers to the internal flaws ( known as inclusions) or the outside blemishes of a stone. Larger flaws can be seen with the unaided eye while others need a 10X magnification.
Gemstones are often listed according to their size criteria because it is more uniform than carat weight. But different gemstones may be the same size but have different carat weights that result in different in prices as well. This is due to the nature of gemstone difference of specific gravity or relative density and depends on the materials chemical composition and crystal structure type For example, a one carat round diamond of typical proportions will be approximately 6.5 mm in diameter. A ruby that is the same size will weigh approximately 1.55 carats.
Although gemstones are normally used for jewelry, they are perfectly good collectibles in their own right. Actually there are many interesting and attractive gems that are just too big or fragile to be used for jewelry. Look at each loose gemstone and consider it as a piece of art and value it for its unusual nature and for the craftsmanship of the artisan who shaped it. And in this hobby you don't have to always lay out cash because you can find your raw materials through field trips In the United States in Maine you can find Tourmaline, Beryl, Rose Quartz, Pearl, Topaz, Amazonite, Clear & Smoky Quartz and Aquamarine. And in Canada you can find rhodonite at various locations in British Columbia or amazonite (microcline) near Lac St-Jean, Quebec and even Ammolite, a rare gemstone found only in southern Alberta. Think of collecting gemstones as a great hobby and pastime.
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More Information On natural uncut diamonds
Some of the most important occurrences of sapphires can be found in Sri Lanka,
but sometimes access to them is difficult. Pit and river mining are the most
used techniques in Sri Lanka, but is impeded because the country resists
modernization. Other areas where sapphires can be found are Tanzania, Australia,
Madagascar, and Montana (USA).
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Fire agate has distinctive iridescent colors caused by layers of iron oxide
within the quartz. Because agate is porous, it is often dyed to darken or change
its natural color. Commonly treated agate is sold as Black Onyx. Petrified wood
is fossilized wood that has had its organic matter replaced by agate.
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Malachite is said to bring harmony into one's life. It is said that malachite
gives knowledge and patience. Malachite was used as a children's talisman to
ward off danger and illness. It is attached to infant's cradles. Mining
Malachite began as early as 4000 BC by ancient Egyptians.
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precious loose gemstones
Latest Gemstone Article
So You Want To Collect Loose Gemstones
By Lee MacRae
Why would someone go to the trouble of collect loose gemstones? Well for one thing they are very beautiful items. And like their higher counterpart, natural diamonds they can become extremely valuable over the years. Many people love to collect and show case the nearly 150 types of gemstones found today. Follow along as we look at the hobby of collecting loose gemstones.
The first thing you need to do is to get yourself some reading material. You want to know everything there is to know about precious and semiprecious gemstones. The more you learn about gemstones the wiser will be your purchases. You'll know exactly what to look for in a quality stone.
First on the list to evaluate is gemstone color. Gemstones are the most intensely colored natural material available on earth. These materials are so related to their color that they've even had their names combined with associated colors. You've no doubt heard about emerald green, ruby red, sapphire blue, jade green, turquoise or aquamarine. Gemstones will have a higher value when they equal the colors in the spectrum of red, orange, yellow, green, blue, and violet. They become less valuable the more they move away from the spectral color.
How the gemstone is cut is the second most important value determination to look at. The precision of cut is the factor that determines the amount of light the stone will reflect. It will fully determine the brilliance of the stone and its final value.
Our next consideration is the aspect of clarity. Clarity refers to the the internal conclusions or flaws of the gemstone under consideration. Larger flaws can easily be seen with the naked eye while others need a 10X magnification.
The next factors to consider our size and weight. Other than the corals and pearls 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 always equal and gemstones. The density and specific gravity can differ in stones. Take a diamond that is 1.00 carats in weight and you will find that a similar sized ruby or sapphire weighs 1.20 carats.
Collecting various gemstones can create an enjoyable hobby and pastime. And there is a wide range and variety when it comes to gemstones. You could try collecting Lapis lazuli, Agate or Cassiterite for example. The varieties are nearly endless. And if you like to save money but love vacations you can go hunting for raw gemstones. Just in the United States in Idaho you'll find Garnet, Opal, Agate, Obsidian and Sapphire.
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Tips On natural russian diamond
The Hixon Ruby Crystal is a 196.10-carat gem that was donated to the Natural
History Museum of Los Angeles in 1978 by Frederick C. Hixon. It is considered to
be one of the most perfect large ruby crystals in the world.
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An aspect of a stone�s color that can effect its value is its rarity. For
example, a golden-pink topaz (Imperial Topaz) is more valuable than a blue topaz
, all other characteristics being equal. This is because it is harder to find
topaz of this color.
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Labels: loose emerald gemstones
