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Summary. Hello dear, there are many ways to identify the old blue and white porcelain, which can be judged by bubbles, glaze, and fetal quality, and only by mastering these methods will we be more comfortable when collecting the old blue and white porcelain, and the following will take a look at the detailed identification methods.
Hello dear, there are many ways to identify the old blue and white porcelain, which can be judged by bubbles, glaze, and fetal quality, and only by mastering these methods will we be more comfortable when collecting the old blue and white porcelain, and the following will take a look at the detailed identification methods.
First, through the bubbles to identify the blue and white porcelain will have bubbles, if there is no bubbles, there is a great possibility that it is not the old blue and white porcelain, in addition to the old blue and white porcelain, celadon, Doucai and other porcelain are bubbles, in fact, as long as it is underglaze color porcelain, there will be bubbles, through this simple memory can distinguish whether a porcelain has bubbles.
Second, the principle of identifying the glaze light of porcelain by glaze light is because there will be some two-layer light waves on the surface when firing, and the bright light of this layer is also known as "floating light, firelight", and there will be internal light in the glaze layer, which will be more dense than the external light. Due to the extension of time, the various types of minerals contained in the old blue and white porcelain glaze will be reduced a lot in terms of strength and vitality after receiving some chemical effects in nature, and at the same time, the glaze layer will also appear aging and aging, making the glaze of the old blue and white porcelain gradually more ripe and warm.
3. Identification by fetal quality 1, judgment basis We need to know that for any thing that exists in the world will have its internal laws, and the same is true for the collection of porcelain itself, as far as the porcelain itself is concerned, although it cannot be said that there is no heirloom in the world, but the number is very small, because the old blue and white porcelain is too fragile, as long as it collides with any other utensils will be broken.
2. Observation angle The old blue and white porcelain fired by the three dynasties of the Yuan, Ming and Qing dynasties is different in addition to the difference in the degree of fineness of the outside, and there are differences in other aspects, the most important of which is the difference in internal factors, for example, if it is the old blue and white porcelain of the Yuan Dynasty, it will be more rough when it is made, and many of the old blue and white porcelain are naked at the bottom and inside the vessel. 3. The degree of aging of the fetal soil is also very important, as far as the old blue and white porcelain is concerned, observe the aging degree of its fetal quality, if the degree of aging is more obvious, then it is a relatively old blue and white porcelain, as the saying goes, the bottom pair is half right. Therefore, as long as the bottom of the old blue and white porcelain is seen accurately, then it can be well judged whether it is old blue and white porcelain.
Therefore, if you want to distinguish the old blue and white porcelain, then you may wish to refer to the above methods, and if you can't do it yourself, it is recommended to find a professional.
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The relationship between old porcelain and new porcelain, in most of the utensils, is positive and negative in normal state. Here I will only write about the characteristics and commonalities of old porcelain. 1. The glaze of ordinary old porcelain is as warm as jade, and there is no dazzling floating light.
Second, the old porcelain should have different degrees of use traces on the glaze, and the distribution is natural and orderly. Third, the unearthed old porcelain should generally have an earthy smell. As time passes, the earthy smell gradually decreases.
Fourth, the unearthed old porcelain, some of which have rust marks into the glaze. Fifth, the unearthed old porcelain, if there is an open piece, soil rust should invade the glaze in the open piece, in a halo state. Sixth, the general old porcelain fetal quality is delicate and hard.
7. The weight and feel of the fetal bone of the general old porcelain are moderate. 8. The thickness of the tire wall of the general old porcelain is moderate. 9. The decoration of general old porcelain is smooth and natural.
10. In general, the old porcelain is based on practicality in the shape of the utensils, and there is no fabrication. Ten.
1. The glaze color of old porcelain is a low-temperature lead glaze, and the silver color can be seen for a long time. Ten.
Second, the blue and white tones of old porcelain are buried under the glaze, and there is no feeling of floating.
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1. Tap to listen to the sound: put the blue and white porcelain vase on the table, and then flick the surface of the blue and white porcelain with your fingers. And the sound will be around the porcelain vase endlessly, and it will dissipate after a long time, and the inferior blue and white porcelain will be dull and will not echo.
2. Observe the surface color: high-quality blue and white porcelain looks very eye-catching, the surface pattern is very beautiful, and the luster is very good, just like jade, and the inferior blue and white porcelain does not have this feeling.
3. Illuminate with a flashlight: Illuminate blue and white porcelain with a strong flashlight, if its light transmittance is very strong, it means that it is high-quality blue and white porcelain, otherwise it is inferior.
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1. The early Kangxi blue and white carcass is thick and heavy, the glaze is fat and blue-white, there are shrinking glaze and small brown eyes, and the glaze color of the body is inconsistent with the bottom of the vessel.
2. Kangxi kiln ware common glaze, sticky sand, not smooth phenomenon, the bottom of the glaze is thin and white, common radial jumping knife marks, some foot walls with the same side oblique cutting is sharp, the diameter of the circle foot is large, many bottles, goblet, the bottom foot of the jar appears in the shape of the step, its folded corner is extremely straight, commonly known as "two-layer platform" or "step bottom". Double circle foot is also popular in this period, especially the Kui Long fold along the wash, the printing box is the majority, the inner circle is shorter than the outer ring, the two circles are exposed without glaze, the circle foot is wide and thick.
3. Due to the further increase in the firing temperature of the blue and white in the middle of Kangxi, the carcass is white and hard, and the section is like "glutinous rice cake". There are few impurities, the carcass is thin and moderately thick, and the tire is repaired. There are two kinds of glaze, powder white and pulp white, the powder white glaze has high hardness, the pulp white glaze is slightly loose, there are occasional open pieces, and there is a bright green glaze.
The middle blue and white porcelain circle foot is not as large as the early stage, and some of the foot ends have been polished, smooth and loach-like, but there is no roundness of the late Yongzheng blue and white flowers, flint red is rare, the tire glaze is very tightly combined, and the glaze color of the inner and outer walls of the vessel and the bottom foot is basically the same. At that time, there were also porcelain tires made of finely washed slurry, commonly known as "slurry tires", and the products included water bowls, ink boxes, etc., and the carcass was light.
4. The late blue and white glaze is blue-white, the bright green glaze is the majority, there is also a pink and white glaze, the glaze luster is deep and subtle, the carcass is heavier than the middle period, the hardness is high, the bottom foot is deeper, and the flat cut is generally used, and the cutting is neat.
5. The early blue and white porcelain is painted with Zhejiang materials or Jiangxi and Guangdong green materials, and the color is gray and blue, and the individual hair color is not good, thick gray and blue-black, which is very similar to the characteristics of Shunzhi blue and white.
6. The middle blue and white use of Yunnan Province's "pearl material", this blue and white pigment is refined and pure, due to the water sinking method improved to the calcination method, the color is bright blue and verdant, no sense of floating, bright and gorgeous, clear and not muddy, gaudy but not vulgar. Some are sapphire blue, bright blue but not fire, it is very different from the blue and white of other dynasties in the Qing Dynasty, and the characteristics of the times are very obvious. And a new artistic look has been formed.
People often call Kangxi blue and white "green hair blue", "Kangxi five colors", and "ink five colors". There are five levels of color gradation for color change, and the green materials used are divided into "head thick, positive thick, second thick, positive light, and shadow light". The ancients spoke very highly of Kangxi blue and white, saying that "its blue and white are one color, see deep and shallow, there is a bottle and a can and divide seven colors, nine colors, delicate and verdant."
The intensity and shade of the picture of the utensils, the intensity of the light is distinct, and the rendering of different levels is entirely due to the skillful use of pigments by craftsmen, that is, the method of dividing water, consciously resulting in a variety of shades of different shades, and even in a stroke of a stroke, different shades of the brush rhyme can be distinguished, such as blue and white landscape figures, flowers and birds, etc., regardless of the distant mountains and near the water, the mountains and mountains are stacked, all rich in a sense of rhythm and three-dimensionality, combined with the use of the blending method, so that it is closer to and achieve the expression of the theme of Chinese painting, just like an ink flower, It is very ornamental, which is also one of the important reasons why Kangxi blue and white flowers are highly respected by the world.
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Look at the tire, look at the hair color, look at phosgene, look at the painter, it's best to look at the real thing, and look at the **.
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1) Eye: In the process of formation, natural crystal is often affected by the environment and always contains some impurities, and when observing the sun, you can see a faint uniform fine horizontal stripe or catkins. The fake crystal is mostly smelted with residual crystal slag and glass slag, polished and colored, and there are no uniform stripes and catkins.
2) Tongue licking: Even on dog days in the hot summer, licking the surface of the natural crystal with your tongue gives you a cold and cool feeling. Fake crystals, there is no cooling feeling.
3) Illumination: Natural crystal is placed vertically in the sun, no matter which angle you look at, it can emit a beautiful brilliance. Fake crystals cannot.
4) Hardness: Natural crystal has high hardness, and it will not leave traces if you gently scratch it on the jewelry with crushed stone; If there are streaks, it is a fake crystal.
5) Check with a polarizer: Rotate 360 degrees under the polarizer and have four bright and four dark changes are natural crystals, and those that do not change are fake crystals.
6) Check with dichroism: natural amethyst has dichroism, and false crystal has no dichroism.
7) Check with a magnifying glass: Check with a ten-fold magnifying glass under transmitted light, and the bubbles that can be found can basically be determined as false crystals. (8) Check with a hair strand:
If the crystal is placed on a hair strand, and the human eye can see the double shadow of the hair through the crystal, it is a natural crystal, mainly because the crystal has birefringence.
9) Detection with thermal conductivity meter: adjust the thermal conductivity meter to 4 grids of green to test gemstones, natural crystals can rise to 2 grids of yellow, while false crystals do not rise, when the area is large, it rises to one grid of yellow.
Difference Between Crystal and Glass.
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Take a look at some old blue and white porcelain. It's better to look at the porcelain tiles. You can never understand the text.
If you look at porcelain, you can generally see that it is true or false. But there is a new porcelain on the market.
The reflection of the glazed surface of the porcelain is also important. Old blue and white porcelain is generally not luster. And the glaze is a lot of wear.
And the new imitation porcelain has a good luster. The glaze is very flat. There is also export porcelain.
The old export enamel is also very shiny. It's a matter of experience. It also helps to look at the blue and white hair color.
It's hard to tell you that clearly.
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