Huang Longyu originally said. It has the color of Tianhuang, the hardness of jadeite, good hardness, high transparency and rich colors. Because it was produced in Longling, and its color was mainly yellow, it was finally named Huang Longyu. At present, from the perspective of appreciation can be divided into? Local Huanglongyu? And then what? Carving Huang Longyu? Two kinds.
Huang Longyu is a new jade species discovered in Longling, Yunnan in 2004. Its main colors are yellow and red, as well as sheep fat white, blue white, black, gray and green. what's up Yellow as gold, red as blood, Bai Rubing as black as ink? Known as. Specifically, yellow is yellow, honey yellow, egg yolk, chicken oil yellow, orange yellow, loquat yellow and other shades of yellow. Red ones are chicken blood red, cinnabar red, pig liver red, rose red, light red, water red and so on; White has snow white, ice white and so on. On February 20 1 1, Huanglong jade was officially listed in the national jewelry and jade list, becoming a natural jade with the same name as jade and Hetian jade.
With the continuous appreciation of Huang Longyu, a large number of counterfeit products from Huang Longyu appear in the jade market. How to distinguish the authenticity of Huang Longyu has always been a problem that jade lovers study and discuss.
To identify the authenticity of a piece of jade, we must first understand its characteristics. Huang Longyu usually pays attention to it when evaluating his grades? Kind? 、? Water? 、? Color? 、? Net? Four physical properties, when identifying Huang Longyu, we can also start from these four aspects.
Huang Longyu? Kind? It not only expresses the texture of Huang Longyu, but also expresses people's feelings for jade. Huang Longyu is an aggregate of aphanitic minerals, and the finer the texture, the better. A good piece of genuine Huanglongyu seed material has a delicate and soft feel and the texture of baby's skin. Generally, Huang Longyu is divided into gem species, ice species, oil species, frozen skin species, microcrystalline species and snowflake species. ? Water? Refers to the transparency of Huang Longyu, which is basically similar to jadeite. ? Color? Not only refers to the hue of Huanglongyu color, but also refers to its color saturation. Huang Longyu is dominated by yellow tones, and has many color systems, each of which has various saturation. ? Net? Refers to the cleanliness of Huang Longyu, that is, the amount of impurities and cotton it contains. Generally divided into four grades, that is, pure, relatively pure, with impurities, and with many impurities.
In view of the above characteristics of Huang Longyu, we can also identify it from four aspects:
One. What is the first logo of color Huang Longyu? Color? The colors of Huang Longyu are mainly orange, golden yellow, light yellow, scarlet and cinnabar red. The tones of these colors are the most active and infectious among warm colors. In Huang Longyu jade market, most of the fake jade products are faked or optimized by heating dyeing, colorant dyeing and other methods. If we carefully distinguish them, it is easy to distinguish the differences.
Two. When observing the light through Huang Longyu, the edge or thin part of the jade material has orange light transmission. Flashlight irradiation, the halo is wide, the halo can penetrate to 3-6cm, but pay attention to some seed materials with skin. Packaging? It will affect the judgment of water head and require the buyer to have certain experience;
Three. Moisturizing genuine Huanglongyu is delicate in texture and delicate and soft in touch. Huang Longyu forged with wax stone is slightly different in color from authentic Huang Longyu, which requires players to have a deep understanding of Huanglongyu and a lot of personal feelings;
Four. The hardness of hard Huang Longyu is equivalent to that of jadeite, especially in the processing process, which requires a lot of tools. The hardness of fake Huang Longyu is far from that of real jade.