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How to identify red bean porcelain in Kangxi period of Qing Dynasty?
Cowpea red glaze This is one of the most precious varieties of red glaze in this dynasty, and it is named because the glaze color is like cowpea. It is very difficult to fire high-temperature copper red glaze, so there are few large pieces. Generally, the interior of utensils is white glaze, and the outer wall is glazed by craftsmen, wrapped with spun yarn in a bamboo tube, and the glaze is evenly blown on the outer wall of utensils for several times and then fired at high temperature. Due to the different levels of blowing glaze and the influence of burning flame, there will be water stains and a little green spots on the glaze. This not only embellishes the beauty of objects, but also becomes a distinguishing feature. Cowpea red is extremely difficult to imitate, and it was not pure during Yongzheng. The imitations of the late Qing Dynasty and the early Republic of China are not elegant and charming, but tend to be gloomy, with stiff water spots and few moss spots.

Among the Kangxi red glazes in Lang Yaohong, besides the elegant cowpea infrared, the colorful Lang Yaohong is the most precious. This kind of porcelain enamel is thick, bright and unrestrained, with a large number of pieces, mostly bottles. It is characterized by bright glaze and open pieces inside and outside the utensils; The edge of the mouth is drooping due to flowing glaze, and there is a wheel-shaped white line, commonly known as "the edge of the lamp grass". The foot is very particular about turning and cutting to ensure that the glaze is not enough, so there is a saying of "blurting out, hanging without flowing"; The bottom is transparent beige or apple green, commonly known as "rice soup bottom" or "apple green bottom", with occasional red glaze bottom but no white bottom; All the red goods in Langyao have no money, and those with money are non-Langyao goods. It is impossible for a post-imitator to do all the functions properly. If you look carefully, you can see the flaw.

Among the Kangxi red glazes in Lang Yaohong, besides the elegant cowpea infrared, the colorful Lang Yaohong is the most precious. This kind of porcelain enamel is thick, bright and unrestrained, with a large number of pieces, mostly bottles. It is characterized by bright glaze and open pieces inside and outside the utensils; The edge of the mouth is drooping due to flowing glaze, and there is a wheel-shaped white line, commonly known as "the edge of the lamp grass". The foot is very particular about turning and cutting to ensure that the glaze is not enough, so there is a saying of "blurting out, hanging without flowing"; The bottom is transparent beige or apple green, commonly known as "rice soup bottom" or "apple green bottom", with occasional red glaze bottom but no white bottom; All the red goods in Langyao have no money, and those with money are non-Langyao goods. It is impossible for a post-imitator to do all the functions properly. If you look carefully, you can see the flaw.

Ji Hong, also known as "Red Sacrifice" and "Bright Red", is mostly a ritual vessel of official kilns. Its glaze color is not as rich as Lang Yaohong's, nor as soft and elegant as cowpea red, but it is deeply opaque, with uniform color and glaze color like orange peel. The bottom floor is white, and most of them are rich. Two lines of double-circle regular script are written in blue and white, that is, "Kangxi Year System in Qing Dynasty" or "Xuande Year System in Daming". It is difficult for modern imitations to imitate orange peel glaze, which is the key to distinguish. The font and glaze color of contemporary high imitation can be similar, but the blue and white materials were not colored in ancient times, the red glaze color floated, and there are other old marks, which can be carefully identified.

Sprinkling blue glaze is a kind of imitation of Xuande. It is made by spraying blue glaze with cobalt as colorant on the blank, which looks like splashing water spots (so it is also called "caviar blue"), then covering it with transparent glaze and firing at high temperature. Except for a few official kilns, many private kilns have no money. Most of them are decorated with gold paint, especially blue paint, but the gold paint often falls off because of a long time, which makes the words and patterns blurred. Because it is easy to burn, there are many imitations in later generations, but it can be identified from its shape, pattern, decoration and production characteristics. Some of them have the phenomenon of supplementing gold. If you look closely, you can find that the description is inconsistent.

Sky-blue glaze is the color of clear sky and blue sky, which is lighter, but slightly darker in Yongzheng, and slightly yellow-green when it is dry. Most of them are official kilns, with three lines and six characters in regular script at the bottom, and no magnifying glass. There is a big gap between the imitation of tire and glaze and the truth; The glaze of the blue glaze is also opaque, such as orange peel, and its color is uniform and stable. Transparent glaze is applied to the inner wall and blue glaze is applied to the outer wall of the bowls and bottles of Duoguan kiln products. Only the inside and outside of the dish are painted with blue glaze; Kangxi yellow glaze ware belongs to the official kiln, which mostly imitates Xuande and Hongzhi, but its shape is different. As long as we can grasp the characteristics of the times, it is not difficult to identify. In addition, Kangxi yellow glaze is deeper than Hongzhi.

In addition to the red, green and Huang San colors used in Ming Dynasty, the glaze color of Kangxi Dynasty has been able to use glaze blue maturely. Kangxi multicolored is no longer represented by underglaze blue and white, but purely by underglaze colors, including seven or eight colors such as red, green, yellow, blue, purple, black and gold. Kangxi pastel is in its infancy, and there are not many varieties. There are usually two kinds: one is white pastel; First, green, yellow and purple are added with carmine. Kangxisu tricolor is more common in the collocation of yellow, green and purple, and in addition, the blue color on the glaze is added. Emperor Kangxi's graffiti is mostly small pieces of official kilns, and there are many knowledge of official kilns. There are few folk kilns, and generally there is no money. Kangxi Doucai blue and white has rough lines and bright colors, and some colors have small black spots on their surfaces. Fighting colors and dark flowers are unique to the Kangxi Dynasty. Due to the age, the blue, yellow and blue colors on the glaze have obvious mussel patterns, which is an important feature to judge whether Kangxi porcelain is in stock. Besides being light in weight, the imitation glazed ware has no mussel light. False clam light not only floats on the surface, but also is often unnatural, dull and lacking in dynamic feeling.