Reprint Biyu how to identify?
We have often heard such as and Tian , yu Taiwan , yu Canada as well as the suet white , Jasper , green , , such as name, they are referred to as mineralogy soft jade the collection of nephrite amphibole-group minerals from the special collection of components. According to their color, Nephrite can be divided as follows white, green, jasper,, topaz, jade and other sugar several important species. Nephrite Jade different and difference are 1. Nephrite uniform color, with white, dark green, black green and so on, no bright green. 2. Nephrite was oil sheen, no Chui sexual. 3. Nephrite handmade jewelry accounting for 3.00. 4. Nephrite for the refractive index 1.62.
Identification of nephrite
First, identify strengths and weaknesses Nephrite
Nephrite a new pit and, seeds and Shan-yu of the sub-material. In general, the seeds of long-term jade was soaking water erosion, waxy texture of fine rain, was like semi-transparent, low profile diaphragm close higher and Hill is expected to more dry texture than rice, was opaque-like, partial fashion jewelry pattern of phrenic more, because it was the Department of dynamite explosion. However mtMaterial, such as seed quality is not jade, but relatively good. Therefore, the merits of nephrite and its Hang on the old jadebest timesHill is expected that the new material and second Cloudy Hill. Line identification of nephrite on the look at a three-head , which means that a pair of eyes, see the following three aspects
1, look at the texture
This is to identify strengths and weaknesses of nephrite the most important factor. Texture is to body such as, naked intrinsic quality stones thick, dense clock justification Kennedy. This is a piece of good specific criteria Nephrite. In contrast, thick texture,, the inside does not contain a naked, not the appearance of fine stones, jade is inferior.
2, see color
Nephrite different because of color, there are white, topaz, green, jasper,divided, generally speaking, in the texture of the same or similar circumstances, your white, topaz times, while the green and white, such as the value of the Green will be lower. Nephrite colors is to identify strengths and weaknesses of one of the criteria, even if the same white, it also depends on the extent and the purity of white, if the white flash of green or white in the gray zone, will influence the value of jade.
3, see
The so-called no-yu browser does not carved, for nephrite has an extremely important significance. Generalprimarily three aspects First, the old and new workers, during the longer, the higher value the second is to look at the content of work, where creativity unusual high value of auspicious motifs The third is fine to see the extent of workers, the more work is fine to eat, of course, the higher the value.
More than remove the texture, color,three elements, the other size, quality of goods is identification of nephrite and value the merits of the level of finished product in the world.
Second, the authenticity of the identification of nephrite
1, theNephrite identify with
as a result of delicate texture, head over feet, were waxy sheen to oil, so it is often used to impersonate the old nephrite old.but soft and easy to eat a knife, carving knife with a few general, penetration of a cutting tool for, silk pattern for nothing nephrite. If no knives around, just look at the time of carving knives, the knife by the Department Nephrite not fluff, but fluffthere. In addition, the handle alsolighter, dark dull percussion sound dumb when, unlike nephrite clear. In addition to, there are other common nephrite jade posing, the identification of large Ibid.
2, with the Russian nephrite jade, jade from Qinghai to identify
Qinghai-yu-yu and Russia, it is estimated that branch of the Tianshan Mountains are produced, they are similar to the ore composition. This jade for the white, waxy fats may also appear shiny, making it easy to impersonate Baiyu. And it is the same as the hardness and white, it can not be used to identify a knife to eat.
However, this jade quartz contains high quality ingredients, so compared with the white quality, of rice, high brittleness, transparency, and regular sun rain, easy to play diaphragm, cracking and discoloration. Especially nephrite jade together with Russia to be compared with a waxy, a japonica a white moisture, while a dead white , the difference between its high self-evident. At the same time, one voice when crisp percussion, a dull, it is not difficult to distinguish. Reprint
The photo shows the Russian material under the bracelet, in recent years Hetian scarce materials, Russia is expected in the market also increased year by year the proportion of the stage, but the first under the name of Hotan. In fact, no need, a good enough whiteness the Russian material, substantially the same, a good collection of Russian material is also valuable. The chart will be able to see Russia and Hotan white material of different materials.
To talk to here, I hope a lot of friends who participate in the discussion and growth of our common knowledge!