When it comes to ink-colored jade, everyone may think of it first, but by visiting the market, we find that the common ink-colored jade can be divided into three varieties. These three ink-colored jadeites have a certain similarity in appearance, two of which are called "Jicui" in the market, and one is called "Wuji kind of jadeite".
What is the difference between these three ink colors? How to identify when purchasing? Today Xiaobian came to talk to you about the three common varieties of ink-colored jade.
1. Greenstone Emerald - Mo Cui
According to the principle of classification and naming of jadeite minerals, the jadeite of omphacite jade refers to polycrystalline aggregates with omphacite content greater than 50%. The color of the jadeite jade is from medium-depth dark green to dark green, with a dark gray hue when the color is darker. Usually it is micro-transparent and delicate in texture. This jadeite is the "popular" variety in the ink-colored jade. The "moi Cui" that we saw when visiting the jade market is basically the omphacite ink, which is called in the jade market. For "Ink".
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Characteristics: When the green jadeite jade is illuminated by light, the light-transmitting part will be blue-green, which is also an important feature for distinguishing different kinds of ink-colored jade in the market.
Combined with the original class articles, we can know that there are two varieties of omphacite jadeite, the color of which is close to black, called omphacite jade, which can also be called “moicui†directly; the color is lighter and grayish green. Green Hui Oil Green, the market is called "blue water jade" or "blue water jade".
2, sodium chrome pyroxene jade - ink green
Sodium chromite pyroxene jade ink jade has less chance of “appearing†in the jade market than the omphacite jade. The mineral composition of this jadeite is related to the sodium chromite pyroxene mentioned above, and is classified and named according to the jadeite mineral composition. In principle, sodium chromite pyroxene jadeite refers to a polycrystalline aggregate with sodium chromite as the main mineral.
The mineral composition of dried green jade is also dominated by sodium chromite. What is the difference between these two jadeites?
By consulting experts and scholars and consulting the data, we found that the two kinds of jadeites, "sodium chrome pyroxene jade ink jade" and "dry green jade", in addition to the content of sodium chromite, there is a certain chemical composition of sodium chromite. The difference. The content of Cr in sodium chromite pyroxene is higher than that of sodium chromite in dry green. At the same time, these sodium chromites also contain certain omphacite components, so from the perspective of mineral composition, dry The content of sodium chromite pyroxene in green jade is much less than that of sodium chromite.
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Features: Sodium chromite pyroxene jade ink color is dark green to black, usually opaque, under the light, if the edge is light green, it is also called "Jicui" in the market. In summary, sodium chrome pyroxene jade ink has two varieties, the color is green to dark green market called "dry green", the color is dark green to black is sodium chrome pyroxene jade ink, also known as "ink emerald".
It should be noted that the jadeite and sodium chromite pyroxene jadeite jadeite contains jadeite or only a small amount of jadeite, which belongs to the jadeite in the broad sense from the mineral naming point of view. The national jade standard naming this type of jade into the category of "Jade", the National Jewelry Quality Supervision and Inspection Center for the detection of such natural jade is: jade.
3, hard jade jade - black chicken jade
Black-bone jade is a new jadeite variety that has suddenly emerged in the market. It is gray to black, the color is not uniform enough, the transparency is from micro-transparency to opacity, and the visual impression is made of ink painting. After the market is launched, it is loved by many friends. . This naturally caused curiosity about it. What mineral is the black-bone jade? What is the difference between it and Mo Cui?
Black-bone jade carving
After a large amount of data review, it is concluded that: according to the principle of classification and naming of jadeite minerals, black-bone jadeite should be called jadeite jade, also known as jadeite jade. This means that the main mineral component of black-bone jade is jadeite, but jadeite does not have black, and the black color of black-bone jade is the jadeite aggregate. When the surface is weathered, the semi-weathered zone is formed close to the outer part of the outer casing, making the black A substance such as an oxide enters into a gap of mineral grains. When this layer of weathered belt reaches a certain thickness and the color is more uniform, what we call the black-bone jade.
Combining the above, we can know that the black-bone color jade can be counted as a new variety in the “Ji Cui†family. The main difference between the two types of jadeite is that the constituent minerals are mainly jadeite, which is colored by impurity elements because of its color. It is similar to the "black-bone chicken", hence the name "black-bone jade".
Characteristics: Black-bone jade is colored by impurity elements, often the germplasm is not delicate enough, and the color is also unevenly distributed. Under the illumination of light, it is grayish black. In some cracked black-bone jade, you can see black in magnified view. Distributed along the fracture.
How to identify three varieties of ink-colored jade? Let us first look at the picture below. The figure below shows the characteristics of three ink-colored jadeites in transmitted light.
On how to identify these three kinds of ink color jade, Xiao Bian especially summarizes the above table for everyone, you can try a lot when visiting the jade market.
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