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Rare Natural
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 NATURAL RARE YELLOW JADE ROUGH STONE FOR CARVING  US $80.00
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 RARE-Gorgeous Totally Natural Carved Bisbee Turquoise Bird Fetish 23 MM- #4 US $10.05
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When considering the purchase of diamond jewelry, it is wise to understand the differences between a laboratory produced gem and a natural stone.
In the past, man-made diamonds were considered to be of inferior quality. Synthetic stones, often known as cubic zirconia, were frequently maligned by the jewelry industry. However, the latest technology allows scientists to produce gem-quality synthetics in laboratories across the country. Instead of taking millions of years, a lab produced gem may be created in a matter of days. The Gemological Institute of America (GIA), the leading research and grading body in gemology, legitimizes some of these lab grown stones as real diamonds.
There are two basic ways that man-made gems are created. HPHT (high pressure high temperature) is a process that has been used for several decades. While this method does simulate the natural way that mother earth makes these precious stones, and physically, visually, and chemically they are almost exactly the same as those found in the earth, these synthetic stones can be identified by a trained gemologist using standard gem-testing equipment.
The newer process, called CVD (chemical vapor deposition), grows gems at low pressure and relatively low temperatures. It produces crystals that are not only suitable for faceting for jewelry purposes: they are also "purer" than those grown the HPHT way, and are more difficult to detect.
The most obvious reason for purchasing created gems is to save money. However, the amount saved will vary based on the type of stone selected. Color or "fancy" diamonds, which are extremely rare in nature, are far more available via lab created gems. While this ready availability lowers the price as compared to natural stones, high quality man-made gems are certainly not priced as inexpensively as cubic zirconia.
A growing number of environmentalists and advocates of social responsibility are openly declaring a preference for lab produced stones, similar to how some segments of the population prefer faux fur to hides of animals. In many cases, it is difficult to know the exact sourcing of a natural stone. This is problematic because gems mined in war zones to raise money for civil wars and terrorism, commonly referred to as "blood diamonds," comprise up to ten percent of the total supply. In addition, mining processes are often damaging to the environment. Purchasing lab created stones removes the environmental concerns as well as the war and terrorism concerns, and saves on cost at the same time.
If the authenticity of a stone is in question, there are some basic methods that can help determine whether a stone is natural or created. One sure sign of a lab produced gem will be a lower price. Another tip-off is color. Most natural colored diamonds are not as brightly or vividly colored as those that are synthetically produced. Also, most natural stones contain small mineral deposits called inclusions. These show up as dark spots under a jeweler's loupe. While flawless natural stones do exist, they are rare and quite expensive. A lack of inclusions may call the source of the gem into question, but is not a way to conclusively prove that the stone was man-made.
If a jeweler is advertising "cultured" gems, they are probably created. As with cultured pearls, this is a code word which means man has interfered with the natural process. Any reputable jeweler will be happy to inform customers as to which pieces contain lab produced stones.
Whether due to the reduced cost, social and environmental concerns, or simply the pleasure of having a vividly colored stone that would otherwise be nearly impossible to procure, there are many excellent reasons why more and more people are purchasing and enjoying lab produced diamond jewelry.
Looking for socially responsible diamonds that won't break the bank? JewelNet.com is the premiere producer of man-made diamonds, offering loose stones, bridal jewelry, pendants and earrings with certified stones in six vibrant colors. This company is the only eco-friendly diamond producer named by Earthshare. Visit the website for a free e-book on Diamond Savings. Powered by SEO 2.0 Services
Lighting Rare Books
Those who invest in book lighting for private libraries generally display only rare books or special collector's edition prints on their bookshelves. These books are made from very fine, and also sometimes very sensitive, materials. Lighting them requires careful attention to the aesthetic presentation of books as display collectibles in their own right. It also requires an awareness that not all forms of bookcase lighting fixtures are suitable for rare and collectible books, and that some forms of light (such has UV-rich fluorescent), must be avoided at all costs.
As harmless as any given spectrum visible light may appear at face value, it is the invisible wavelengths of light that may also be part of that spectrum that can pose a serious, unseen threat to the covers and pages of rare books. Because paper and leather originate from organic sources, they are just as sensitive to the destructive effects of ultraviolet light as living tissue is to sun burn and skin cancer. They are also sensitive to the excessive heat radiance of infrared light on the opposite end of the spectrum. IR light can dehydrate paper and leather, and in some cases, even create a fire hazard.
Book lights must avoid invisible wavelength emissions of any kind to be both pleasing and safe to use. In recent years, 2800K LED lamps have emerged as the best tools to use for this purpose.
LED lamps are ideal for book lighting because they are 100% free of both ultraviolet and infrared light frequencies when comparing other festoon lamps. This is because LED technology uses solid diodes, not incandescent gases, to generate luminance. LEDs emit a tight, monochromatic frequency of color that is emitted in a very narrow wavelength and does not diverge into the invisible portions of the spectrum that can damage fine collectibles. And added value LED technology offers is power savings, because these book lights require only a minimum of electric current at low voltage to perform. This allows them to operate for extended periods of time without an increase in physical temperature, and eliminates the fire hazard often posed by hotter burning sources. When such technology is integrated into a wireless Phantom linear lighting strip, it creates a safe, low-voltage light source appropriate for lighting books and private libraries continuously throughout the day or evening hours.
As important as safety is, it is also equally important not to forget the aesthetics of rare book and library lighting. Both the covers of the books and the titles on the spine have to be clearly visible. Light sources that are external to the bookcase tend almost always prove inadequate for this task because the sides of the bookcase and front ends of shelves cast shadows over the books. Mounting book lights internally within bookcases can also prove challenging if the lights are not designed specifically for this task. Any visible fixture can create an eyesore that diminishes the overall presentation of a collection. This calls for a concealed light source such as the Phantom Linear concealed adjustable strip lighting or Linear AE strip. These unobtrusive, wireless fixtures hide unseen under the front bottom surface of shelves, producing a radiant light that illuminates bookshelf space within.
In the past, LEDs were regarded as limited tools for book lighting because early diode technology produced exceptionally cool colour temperatures. (Cool color temperature refers to the WHITENESS of light, not to the HEAT radiance of light). This caused objects lit by LEDs to appear ghostly and two-dimensional. In the past few years, all of this has changed. New 2800K LED festoon lamps now rival the color rendering capacities of warm tone xenon lamps. Not only do they produce a better replication of natural colors, but they also produce a higher amount of light itself. Phantom LED book lights can provide bright light, and or they can be dimmed to create mood lighting for a more subtle touch of elegance in ornately furnished rooms, offices, and foyers.
Phantom Linear book lights are custom-engineered for the purposes of low-voltage, concealed, seemingly wireless lighting in private and public libraries. Available in new construction and retrofit models, these small, versatile professional lighting fixtures are the best friend of cabinet makers and interior decorators working in high-end private, public, and commercial libraries.
About the Author
phantomlighitng.com
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Book Lighting
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Strip Lighting Products
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Commercial Lighting Supply
visit us online. You may email Russell Neal at
rneal120@gmail.com.
Is there a natural remedy/cure for lymphocytic colitis (a rare form of colitis)?
I have a rare form of colitis, called lymphocytic colitis. The doctors say it is in remission, but I still always feel ill, as if I am not in remission. I have tried all the medications there are. Does anyone know of a natural cure/remedy for this? Or even just for normal colitis?
Drinking several 1 ounce doses throughout the day of aloe vera juice - get at local health store. You may want to invest in the gallon containers.
Getting good strains of probiotics preferably pre-refrigerated - at local health store.
Reading this article:
http://www.drdahlman.com/ulcerative-colitis.shtml?gclid=CPyT-tHXpoYCFSQ8VAodGRyDCQ
Here comes the stench: Rare 'corpse flower' blooming for 1st time could stink up Texas wedding
HOUSTON - The flower girl at Jessica Zabala's wedding is purple, six-feet-tall, uninvited and smells like dead bodies. She is Lois, a rare "corpse flower" that's deemed the world's stinkiest bud.
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