1, which cannot be proved. The variety and quality of jadeite can't be judged only by observing in light or sunlight, because the color and transparency of jadeite are influenced by many factors.
2. The jade bracelet has no luster. Generally, there are three reasons, and different treatment methods can be adopted according to different reasons. 1, the jade bracelet is worn for a long time, resulting in friction marks on the surface of the jade body, which leads to dullness. It just needs to be polished again and it will be brand new.
This bracelet is very good. If you look at the water head in cloudy or ordinary light, it proves that you have bought a good product, but it is only a visual difference. "No light (sunshine, daytime), don't buy, don't look at jade (jade)" is a jargon, which means that the water head will be more obvious and the effect will be better when it is sunny during the day.
How to solve the problem of unsmooth jade bracelet
1. If the surface of the jade bracelet becomes rough and no longer smooth, it can be polished to make the jade bracelet glow again. Wipe the jade bracelet with a wet towel first, then evenly apply toothpaste on the jade bracelet and polish it repeatedly 10 minute.
2, jade bracelets are no longer smooth after a long time, and polishing can reproduce the luster. Minimalist polishing method. After taking it out, apply a proper amount of toothpaste to the bracelet, evenly apply toothpaste to the bracelet with a toothbrush, and polish it repeatedly for about ten minutes. Wash it in warm water, apply a little peanut oil and rub it back and forth with a pair of glasses cloth.
3. The surface of the jade bracelet is rough and not smooth, so it can be polished in a professional jewelry store. Generally, the grinding and polishing steps of jadeite bracelets include drum rough polishing, thread trimming, smooth surface trimming and shaping.
4. Soak in clear water for more than 2 hours, then wash it again to make jadeite absorb water, and then take it out to dry.
5. Emerald is jade. If it is worn for a long time, it must be re-polished to fundamentally solve the problem of unsmooth, and it will not take long. It depends on the polishing process of the jade bracelet itself. If it is a soft and polished bracelet, it can be wrapped in fine cotton cloth and rubbed every day to slowly recover the oil.
What should I do if there is no luster left in jadeite jade?
1. If jadeite loses its luster, it usually needs to be washed once. Soak it in clear water for more than 2 hours, then wash it again to make the jade absorb water, and then take it out to dry. Avoid contact with high temperature environment, do not put it in direct sunlight, and put a glass of water in its storage place.
2. Jade has no luster. It can be restored by waxing maintenance, long-term playing and long-term wearing. The first function of waxing is to make jadeite shiny and improve the beauty of jadeite jewelry. In order to better establish a protective layer for jade ornaments.
3. Jade needs to be washed, waxed and polished again before it can recover its original color. In addition, the yellowing of jadeite may also be caused by varieties. This situation can only be improved if you insist on wearing it and pay attention to daily maintenance.
4. If you don't wear jade for a long time, you can wipe it with cotton cloth, or soak it in purified water for an hour or two regularly, then wipe it clean and store it separately. In order to reduce its wear and tear, it is best not to put it with gold and silver jewelry.
How to identify the age and authenticity of Thangka?
If you are an expert, you can see from the back whether the hook line is exactly the same as the picture. If you put potassium permanganate in it to soak the imitation and touch Thangka with your hands, you will feel stiff, and you can find white old marks in the pigment base. Distinguishing the advantages and disadvantages of Thangka depends on meticulous technology and pigments.
Hand-painted Thangka is colored with mineral plant pigments and printed with colored chemicals to produce high-fidelity Thangka. Hand-painted Thangka pigments are generally soluble in water, while chemicals are difficult to dissolve in water.
The identification of true and false Thangka is mainly judged from the aspects of subject matter, content, production technology, materials and painters.
What about the dull jade ring?
1. If jadeite loses its luster, it usually needs to be washed once. Soak it in clear water for more than 2 hours, then wash it again to make the jade absorb water, and then take it out to dry. Avoid contact with high temperature environment, do not put it in direct sunlight, and put a glass of water in its storage place.
2. When the jade ring is worn for a long time, there will be dirt residue in the mosaic gap, the luster will be dim and the wettability will decrease. Just cleaning and maintenance. Pour a proper amount of warm water into the bowl, and then put the jade ring into the bowl to soak.
3. If it is severely polished, worn or scratched, it is suggested to remove the surface of Yuhuan and then simply polish it. At this time, polishing should be light, skillful and economical, and the integrity of Yuhuan surface should be preserved to the maximum extent. Polishing and waxing again. If the wear is not serious, there is no need to take off the torus, simply polish it, and then wax it before wearing it.
4. Jade has no luster. It can be restored by waxing maintenance, long-term playing and long-term wearing. The first function of waxing is to make jadeite shiny and improve the beauty of jadeite jewelry. In order to better establish a protective layer for jade ornaments.