How much do you like South Red Agate? South red agate is a unique species in China with scarce production. Today's South Red Agate has formed a three-legged position with Hetian jade and jadeite. The true and false identification of the South Red Agate can be distinguished by its color, transparency, material and temperature.
True and false identification of South Red Agate:
Color characteristics: True agate color is fresh, active, pure, heavy, harmonious, color is distinct, the strip is very obvious, carefully observed, dense red spots are densely arranged in the red strip; and the color and light of the fake agate are Unnatural, often glamorous. Some of the finished products may be from old pits with high pH, ​​usually with reduced gloss, reduced chromaticity, reduced transparency, and of course, the change of identity due to the precious aesthetics of the surface aging mottle.
South red agate, common colors are persimmon yellow of Gansu, (orange red), red, pink, and also unusual purple, and the transparent or translucent color of these colors, including the nearly transparent colorless, are roughly defined It is the color range of South Red, and its white texture depends on the situation. There are also textures like ribbons with half and half of the white and red. Here, the texture of South Red is very sharp, and all the lines will have obvious angles when turning. (one of the important criteria for judging), giving a clean and sensation (that is, red and white), except for the white lines in the south, the red will not change other than the transparent gradient (sometimes mixed with some associated minerals) , black or dark green).
Material: texture, south red is colloidal, even if the red beads are not opaque, you can see that the color is transparent from the inside to the outside, consistent, in other words, even colorless beads have The feeling of kindness, here notice, this texture is temporarily unable to falsify, unless the old material is new, so the fake South Red is basically pure red.
The fake agate is mostly imitation of stone, which is softer than the real agate. The jade can be traced on the fake agate, but the real thing can not be drawn. The true and false identification of the South Red Agate, on the surface, there are few flaws in the real agate, and more inferior quality. Fake agate is imitation with other stones, especially if it is fragile or soft. Usually, agate is relatively strong, and most agates that are not affected by acid and alkali can be scratched on the glass. True agate jewelry is heavier than synthetic agate jewelry.
Temperature: True agate (especially unaffected by new factors such as acid and alkali) is warm in winter and cool in summer, while synthetic agate changes with the change of outside temperature. It is also hot in the hot weather, and it is cool in the cold.
The most striking difference between natural agate and counterfeit products is whether there is a concentric layered structure in the cross section. However, the whole piece of agate is easier to identify, and the cut finished product has no obvious neat pattern and is easy to admit. But in general, natural agate feels cool, the surface is coated with a layer of wax, and has a waxy luster; translucent; hardness is above Mohs grade 7, with a small knife; it is formed in a molten state Crystals, mostly spherical (such as rain stone), are particularly dense, and the surface is more delicate after grinding. It can be rubbed on the hard board for a dozen times. Generally, the agate is not hot, but the board is hot; the color is often a variety of colors. Mixed in a piece of agate, forming beautiful patterns, layers, brocade and other colorful patterns.
In addition to artificial synthesis, the fake agate is made up of beautiful high-quality stone. The basic characteristics are: the hand feels cool, but there is no waxy feeling and luster; the hardness is lower than Mohs 5, and the mark can be carved with a knife; the cross section is observed, except for the layer of the agate. It is thicker and even has cracks and opacity; the boundaries between the colors are clear; the specific gravity of different colors varies greatly, mainly due to the content of ingredients. In addition, some of the thin organic matter on the surface of the fake agate should be noticed as if it were a waxy luster.
Process: The production process of high quality high agate is strict and advanced, so the surface brightness is good, the setting is firm, the circumference is positive, no scratches or cracks.
Level: Water agate is the most precious variety in agate, characterized by a closed cavity in the agate containing water. All grades of agate are best in red, blue, purple and pink, and require transparency, no impurities, no sand, no cracks. Among them, those with a weight of 4.5 kg or more are special, and those with a weight of 1.5 kg or more are one. Grade, 0.5-1.5 kg is secondary.
There are many methods for distinguishing between true and false on the red agate. The most essential method of identification should also be judged from the above aspects.
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