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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 close by to hunt for raw or rough gemstones. Some of them will even tumble or finish off the gemstones themselves. If this sounds like a hobby you would like to get involved in follow along as we reveal the various aspects of gemstone collecting.
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 giving value to 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 over its entire surface. 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 categorized according to their size criteria since 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 regarding relative density or specific gravity 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 Think of it as a mini sculpture or piece of art to be highly treasured 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 use vacation time to actually hunt for raw gemstones in stead of buying. In the US in Michigan you can find Agate, Chlorastrolite and Hematite. And in Canada you can find rhodonite at various locations in British Columbia or amethyst near Thunder Bay, Ontario and even black spinel in Burgess and bathhurst Townships in Ontario. Think of collecting gemstones as a great hobby and pastime.
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Microcrystalline opals are made up of a microcrystalline material which is a
crystallized substance or rock which contains small crystals that are visible
only through microscopic examination. These opals are broken into two categories
: Opal-CT is where a predominant mineral rich layer is present within the opal
layers. They are all genuine minerals that formed from evaporating water with
low amounts of soluble silica. They are not Opal-A because the A type of opals
thrived during dry spells with very little water input.
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Alexandrite is mined around the world in Brazil, Madagascar, Myanmar, Russia,
Sri Lanka and Zimbabwe. Alexandrite is considered a good omen in Russia.
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