2010年5月10日星期一

agate gemstone jewelry formation and identification

agate gemstone jewelry formation and identification
Agate is a mid-range jade, jewelry supplier agate jewelry little collectible value. Identification of a 200 level now, you go to identify the fundamental uneconomical. True and false identification, artificial mainly a magnifying glass to see if a bubble, but now the vacuum process, air bubbles are easy to find, it is to see the flow of moire agate is not natural.
Agate is commonly used in jewelry and carvings inlaid a gemstone wholesalers. True and false Kam-election as follows:
(1) Color: True color and distinctive bright agate, onyx false color and light are worse, more obvious contrast between the two. Natural red agate color is clear, obvious bands, carefully observed, can be seen in the red strip Department ordered intensive small red spots. With stone imitation agate snuff-box fake, most were at the bottom petal-shaped pattern, contact a "daisy bottom"; and blue agate dyed bright colors, uniform, giving a false feeling.
(2) texture: mostly false agate stone imitation gives a comparatively true agate texture soft, with a jade agate in false marks can be set aside, while not authentic, is zoned.
(3) Process Quality: High quality agate strict and advanced production technology, so the surface brightness is good, solid inlay, Zhou Zheng, no scratches, cracks.
Agate, a natural color, but also after the dyeing process. There are natural color red, amber and white. Available in the market of blue, purple agate jewelry is not a character is processed after the infected, the use fading occurs after a few years.
How to identify genuine and fake it agate jewelry? Can be divided into three areas to identify.
(1)Transparency: gemstone supplier Transparency as synthetic agate really good, a little chaotic, and some can see the natural waterline or "clouds", while synthetic agate transparency, and as transparent as glass balls.
(2)Weight: true agate agate jewelry synthetic jewelry than heavier.
(3) temperature: real agate Dongnuanxialiang, while artificial joint agate change with outside temperature, the heat it gets hot, it cools a cold day. jewelry supplier in china

It is said that the original stones as agate and horse shape similar to the brain, so called "agate." Both in the Old Testament or the Buddhist scriptures, there are documented stories of agate. gemstone suppliers Agate is a colloidal mineral, in mineralogy, it is chalcedony class. Since ancient times, agate was welcomed on the ancient "seven treasures" One of the agate. Agate as lines with beautiful ornaments used by people since ancient times, unearthed jade, agate ball clusters common to multi-pendant.Onyx is generally translucent to opaque, hardness 6.5 to 7 degrees, the proportion of from 2.55 to 2.91, refractive index 1.535 to 1.539, a very distant history of agate, which is the earliest human use of the gem materials. In the geological history of the various strata, either igneous or sedimentary rocks can be formed Onyx. Therefore, agate lot. China Agate origin distribution is very broad, almost all the provinces, mainly in Heilongjiang, Liaoning, Hubei and other areas. In the world, throughout Europe, North America and Southeast Asia are rich, the world's most famous place of origin are India, Brazil and other places.Agate mainly in volcanic cracks and holes, also produced in the sedimentary layer is silicon dioxide colloidal aggregates, and crystals such as jade, it is a kind of quartz ore, its chemical composition is silicon dioxide. Its hardness than crystal, agate itself is hard, dense delicate shapes, gemstone wholesaler highly polished, beautiful colors and rich colors and so on, is crafted of fine arts and crafts materials, with artisans with advanced technology and perfect art combined with the idea of giving it strange, rich themes, clever design, exquisite carving power. Makes the artistic effect of its extraordinary performance and ultra-popular.In the jewelry line has a pet --- no red agate I of the poor. That said, the red Ming Manao how important it is.In fact, colorful agate and variety, but red is the main color of agate. Because the natural red agate less, and because color layer is not deep, it is mostly agate in red-hot red agate. Its red with red, purple, dark red, brown red, sauce, red, yellow and red. In addition, the color of said Jin Jin Hongyan such as red agate, red and coherent is called Jinhua agate agate or red flowers. To jade products, in order to block much on making jewelry Qian Shi, and to color the U.S. better.Agate is a jade carving of a great variety, great content, useful mainly in red, other colors and textures cleverly lined to agate prominent characteristics. Also useful for other color-based, with colors set off the effect is very significant. Skilled application of jade carving masters extraordinary skill, can make an ordinary agate, jumped a valuable art treasures.Mineralogical called chalcedony agate. The ancients called the red agate red jade, or "King." Jade agate and more, so called red jade.In the East, it is Qibao, one of seven treasure. Agate can be divided into chalcedony and agate. The original stone color is not a complex known as "chalcedony", appears a straight line parallel to the stripes of the original stone is known as the "striped agate" (as sub Agate). According to the original gemstone wholesaler color, there sardonyx, dark red agate such names. Recently, the general will be dyed black onyx collectively referred to as agate.

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