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Like other jadeite, Mocui has good and bad species, water and color. The crystalline particles of Mocui are generally relatively delicate, and some of the crystal particles of Mocui are coarse. The arrangement and combination of the crystals of Mocui are good and bad, so there is a difference in density, forming an inconsistency between hardness and luster.
How to judge the quality of jadeite ink cui rough stone:
1. Look at the color. Look at the color of Mocui to see in natural light, divided into two angles, the first is the face light, in the face light to black, pure black, but this is not enough, but also need to see through the light, the light to be green, the darker the face light, and the greener the light transmission of the quality of the Mocui.
2. Look at clarity.
Observe the clarity of Mocui, to be carried out under strong light, through the light, the less impurities and white cotton, the better. And the water head should be good, one centimeter can be completely transparent.
3. Look at rigidity.
Looking at the polished surface of Mocui, the structure of good quality Mocui is dense and hard, and the glass luster is strong.
4. Look at impurities.
Pay attention to the matte surface of Mocui, the matte surface can generally hide a lot of white cotton or impurities, so you need to observe it carefully.
5. Look at the seeds. Looking at the texture of the Mocui species, the most important thing is to look at the degree of glutinous structure, the feeling of gelatinization, and the fluorescence reflection when the side light enters.
6. Look at the size.
The bigger and heavier the better, relatively speaking, there are quite a lot of impurities in Mocui, if the clarity is perfect enough, and the water color is good, it is indeed quite rare.
7. Look at the flaws.
Generally speaking, there will be some dotted or irregular clumps of white and yellow cotton wool inside Mocui, and sometimes there will be some cracks, which will affect Mocui's **. A good ink cui is generally to minimize cotton wool and cracks as much as possible, and if there are cotton wool and cracks, it should also be avoided by carving.
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The quality of the rough stone wrapped in mud depends on the leather shell. As the so-called garbage shell behaves in a kaleidoscopic way, the performance of a good skin shell is always the same. All the sand turning is good, there is desanding, tight and delicate shell, you can pay attention to it.
Finally, if the rough stone has polished windows and facets, you can further judge the quality of this piece of inkgreen material by observing the blackness and polishing gloss of the emerald under natural light.
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Hello dear, very Bi Oak is happy to answer for you. Kiss Ink and jadeite are slightly different in hardness. Jadeite has a very high hardness, usually between the dots, and is a relatively hard gemstone.
This makes jadeite relatively durable and difficult to scratch during processing and crafting. And Mocui, also known as Moyu, is a nephrite jade stone with a slightly lower hardness than jadeite. The hardness of Mocui is about 5 to 6, which is relatively soft compared to Jian Qi.
The soft texture of Mocui makes it more malleable in terms of carving and carving. In general, the hardness of jadeite is slightly higher than that of Mocui. However, both jadeite and ink jade are precious jade materials and are widely used in jewelry and artwork making.
Hope the above content can help you! <>
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Summary. Hello dear! <>
The hardness of ink jade is not the same as jadeite Jadeite is a gem-quality ore, the main component is jadeite, which has a high hardness. According to the Mohs scale, jadeite is relatively a scale between 7 and 7. Mocui refers to a type of ink-like quartz that is black or dark green in color and is often used to make ink.
The hardness of emerald is usually between 1 and 2 on the Mohs scale, which is much lower than that of jadeite. Mocui is relatively soft and easily scratched.
Is the hardness of emerald the same as jadeite?
Hello dear! <>
The hardness of ink jade is not the same as jadeite Jadeite is a gem-quality ore, the main component is jadeite, which has a high hardness. According to the Mohs scale, jadeite has a hardness between 7 and 7, which is relatively hard. Mocui refers to a type of ink-like quartz, which is black or dark green in color, and is often used to make ink.
The hardness of emerald is usually between 1 and 2 on the Mohs scale, which is much lower than that of jadeite. Mocui is relatively soft and easily scratched.
I've tested my ink jade hardness is 6.5, so is it jade or black jade?
Hello dear! <>
Hardness testing is usually done by using a Mohs hardness testing tool, in which the ore is compared to materials of different hardness. On the Mohs scale, jadeite has a hardness between 7 and 1 on the Mohs scale, while emerald is usually between 1 and 2. Since the hardness of the emerald you tested is close to the hardness range of jadeite, it indicates that your emerald has a high hardness, similar to jadeite
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Mocui is black jadeite, emerald is green, Mocui is characterized by the surface looks black, but under the transmitted light, it shows a deep dark green or dark green. The selection of the black jade rough germplasm must be old, generally on the market on the Mo Cui jade rough window will choose to polish, the ink jade is due to the excessive concentration of green in the appearance of black, it is the same jade, its species, water, color also has good and bad.
Jadeite in the ink cui is a relatively scarce variety, the crystal particles of the ink cui are generally more delicate, part of the ink cui crystal particles are coarse, because of its double color gradually get more and more people's love, look at the color of the ink cui to observe in the natural light, the face light to be black, permeable to green, observe the clarity of the ink cui, to be carried out under strong light, the requirements are no impurities in the white cotton, and the water head should be good, one centimeter can be completely transparent.
Mocui must be polished to see whether it is good or not, the structure is required to be dense and hard, the glass luster should be strong, so there is a difference in density, forming an inconsistency between hardness and luster, the thickness of crystal particles and the density determine the strength of the transparency of Mocui, because the tone of Mocui is very dark. Therefore, the light transmittance is generally poor, and it is translucent to opaque. Generally, it is suitable for pendants or ornaments.
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Black jadeite is known as ink cui in the industry, is the jade circle in the past two years red and purple varieties, due to its understanding is relatively small, which adds a layer of mystery to it, although the color of the deep and charming ink cui ** is not as good as green jadeite, but the degree of rarity is not much lower than the full green jadeite!
Recently, a cui friend told me that a few days ago I got two pieces of ink cui material, and planned to carve a Guanyin pendant, because the material is ink cui, there are still many variables in processing, to avoid cracks and avoid cotton faces, etc., a little careless before the work is wasted, let's take a look at it!
I'm afraid that it's not good to open the face, it's bad if there is cotton in it, and you can't see the cotton when you turn on the light, but it's still very good!
Cut out the brand type! When grinding, I didn't have a lot of leftovers, or I could make some small things!
Found a small crack, but fortunately it is not in the main location!
After the design, the rough carving has been preliminarily formed, and it can be seen that the back is also a little cracked, and it will not look good if it is dug up! The opinion of the engraver is to make use of it as much as possible!
After a simple engraving! Fortunately, the part of the face is very resistant and perfect!
After 2 months of hard work, it was finally completed! (No polished face!) The details are in place! )
Isn't the finished product beautiful? I didn't expect Mocui to be so beautiful.
In fact, according to the traditional Chinese theory of yin and yang and the five elements: "black belongs to water, and water can accumulate wealth", China has had black evil spirits and self-protection since ancient times. In recent years, black ink, which symbolizes the accumulation of wealth, has become a popular jewelry item in the international competition.
In 2002, at a well-known auction in Hong Kong, a rare piece of Mocui jewelry was sold for 1.3 million Hong Kong dollars.
"Ink", as the name suggests, is black; "Emerald" refers to the green color of jadeite. The characteristic of Mocui is that it looks black and funny on the surface, but under the transmitted light, it shows a deep dark green or dark green, and it has a unique luster that is moist like ink.
It is worth mentioning that Mocui belongs to the oldest mineral species of natural jadeite, which is buried in the deepest part of the jadeite deposit tens or even hundreds of meters below the surface, and the reserves are very scarce, and it is extremely difficult to mine. On average, only one out of tens of thousands of jadeite rough stones may be Mocui, and this one-in-10,000 chance makes the rarity of Mocui more obvious.
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A cuiyou has been going door-to-door to shop for rough stones recently, I heard that a new gambling stone shop was opened, so he said to see the fresh goods, he went in a circle, and did not see a satisfactory one, was about to return the same way, but was attracted by a certain piece of rough stone piled up at the door, and finally looked at the baby, of course he would not let go, and the shopkeeper said that he had been grinding for a long time, and spent 1000 yuan to buy this rough stone.
After buying the stone, he couldn't wait to show it to his friends, but several friends looked at it and thought it was not very good, they all said that there was little hope for this rough stone, and there was no performance after the lamp was washed. But he trusted his instincts more, so he went to his master to cut stones.
After the master sawed it in front of him, he found that the stone section was black, and it was simply a "brick", which was really disappointing, but at this time, the master who opened the stone excitedly told him that this was a piece of ink cui! It's up! So how can you tell the difference between good and bad Mocui?
Lao Wang has some small methods here:
1. The species of Mocui does not refer to the water head, but to the fineness of the crystals and the tightness of the combination. The finer the crystals, the tighter the bond between the crystals, and the firmer and more delicate the "flesh" of Mocui, about shiny.
2, blackness As the name suggests, Mocui is naturally the darker the better, how can it be darker. First, there must be a kind, and the unplanted ink is dry and rigid; The second is to have enough color saturation, Mocui is chromium ion color, chromium ion concentration is enough, black saturation is enough.
3. It is not enough that the oiliness is only black, and the important point that distinguishes Mocui from other black jade is its oiliness. What is oily, just like a pair of black leather shoes that have just been polished, there must be a very delicate and oily reflective feeling of Mocui. The oiliness of Mocui is also a manifestation of oldness.
4. The most important thing is to be anti-green, generally using yellow light to illuminate Mocui, and the more positive and dense the green reflected, the better the quality of Mocui. Usually the color of Mocui returned under the light is blue-green or gray-green, as long as the Mocui itself is pure, this is also a high-grade Mocui, and the return to green cannot be forced, otherwise you may never be able to buy your favorite Mocui.
5. Due to the characteristics of Mocui that distinguishes Mocui from other jadeite, the layering of Mocui carvers can be best reflected. A good piece of Mocui must be equipped with a good carver in order to maximize the value of Mocui.
In addition, due to the old (small crystals and tight bonding) and high blackness (strong color saturation), it is impossible to have long light transmission, and the general color saturation of light transmission is not enough, so it is one-sided and wrong to evaluate Mocui by the length of light transmission.
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