Red Mountain Culture Jade True and False Identification
The material used in the Hongshan culture jade is the jade material of the Xiyugou tremolite in Xiuyan County, Liaoning Province. The material has fine texture, high hardness and uniform color. The colors of jade are green, green, blue, yellow, and there are exquisite jasper and pure white jade.
Identifying the reliability of the jade material is an important part of identifying ancient jade. The basic color of jade also changes. On the one hand, the pigment ions react differently to the environmental conditions of the jade; on the other hand, the internal factors contribute to changes under external conditions, and the change of the basic color is also the characteristic of the age.
modeling
The shape is timeless. The shape of the Hongshan culture jade is deep and dignified. It is not only refined, but also has prominent features and different charms. For example, the animal shape of Hongshan jade is vivid, simple and unconstrained. The realistic imitation of the red mountain animal jade can only be shaped like a general, cautious, dull, lifeless, difficult to capture the inherent charm of the original artifact, it is difficult to imitate the characteristics of that era.
Decorative
Decorative ornamentation is the product of an ideology, aesthetic consciousness and belief of the times. If you can grasp the characteristics of the patterns of each era, you can more accurately determine the age. The surface of Hongshan jade has a multi-glossy grain. In addition to the oblique square mesh on the forehead or the bottom of the jade dragon, and the fine-yin line of the eye of the animal's head and the teeth, a common feature is the ground-line relief, convex string, shallow Relief or snoring, that is, grinding a flat and well-balanced groove-shaped ornament on a flat jade or a round jade, also known as a griding pattern. Some of the shallow reliefs are looming, the eyes are not clear, the hand touch is obvious, and the convex string is seen in most Hongshan jade.
The craftsmanship is the sum of the craftsmanship and artistic expression, and it best reflects the characteristics of the times.
The craft of Hongshan jade is mainly the natural transition of various parts, the surface is fine and delicate, and there are few wear marks. Except for some small pieces, most of them have no glass light. Regardless of animals or utensils, there are generally perforations, multi-pairs, and horseshoe-shaped holes drilled from one side. The walls of the holes are thickly spiral, and some of the holes in the middle of the hole have misaligned prisms, and some are oppositely honed. A gloss-free, spiral-free hole with a small hole drilled into the thin layer. The flatware is processed on two sides in the process, and the inner and outer edges are blade-shaped, which has a unique artistic style.
Twilight
Twilight is the age symbol of ancient jade, and it is also an important basis for judging authenticity. In the case of external erosive conditions, the surface is often accompanied by eroded co-biomass and appears on jade. Hongshan culture jade, natural ochre is less, lighter, common foggy white otter, yellow-brown scorpion, red scorpion, black scorpion, a few green gongs. Red bloody sputum and green scorpion, mostly appearing under the black or yellow-white hull.
Old color and luster. The ancient jade has been underground for many years, and the surface has natural old colors and patina produced by the day after tomorrow. The ancient jade's patina is thicker and evenly distributed, and there is a gloss from the inside. This reflected light is natural, consistent, uniform gloss, and oily, unlike the surface glass that appears after polishing. Even if the local gloss is more severe, it will show its consistency. The high ancient jade shines from the inside, the so-called fine light, not the surface floating.
The Hongshan culture jade generally has no glass light on the surface, and the surface gloss is closely related to the hardness of the jade and the jade sand particles. Generally speaking, the jade quality is high and the gloss is strong, the sanding marks are light, the jade is soft, the stone is heavy and the gloss is poor; the jade sand particles are fine and strong. The newly unearthed Hongshan jade has a layer of soft old jade with special luster, unlike modern oil wax polishing technology.
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