1, weight is an indispensable basis for jade trading, and it plays an important role for consumers or operators to understand the authenticity and pricing of jade, especially for unprofessional photos and certificate marking.
2, buy a jade bracelet, you can't just look at the weight, not the heavier the better.
3. When the species, water, color and quality are similar, we should consider the weight factor.
What should I pay attention to when choosing a commodity futures company?
1, with abundant funds and good reputation, if it is mainly engaged in commodity futures, it is very important to choose a futures company with deep research and development capabilities in spot, because the futures company's understanding of spot can provide customers with the most valuable futures report.
2. Third, choose a futures brokerage company with strong R&D strength and good information service.
3. Download the account opening software of the futures company, or download the futures cloud for ordinary futures account. There are no capital restrictions. Apples, crude oil and gold with limited funds are charged very high by default. Some companies are black-hearted and charge more than ten times the fee by default. At this time, you should ask the account manager to help you adjust the commission.
4. Account opening funds With the different scale of futures companies and different trading methods, the requirements of each company for account opening funds have certain floating space. With the gradual increase of bank transfer and futures securities transfer business, customers can freely transfer funds between bank accounts, securities accounts and futures accounts.
5. First of all, we should be alert to the risks of securities firms: it is very important for investors to invest in futures and choose a reliable futures brokerage company. When choosing a futures brokerage company, we should know its scale, reputation and operating conditions, choose a company with strength and reputation, sign a futures brokerage commission contract, and go through the formalities of opening an account and depositing funds.
I bought two jadeites and want to ask experts to help me solve some problems.
There is basically no problem with the certified jadeite sold by the larger jewelry store. You should also rest assured that from the description of the certificate, you bought natural A jade.
First emerald a goods. Waxy seeds and water are relatively common. There is cotton in it, and there are many cracks in the photo. There is a very pale purple expression, which is barely the color of spring. If no cracks are found, the actual price is reasonable below 1500. The second jade a goods. Waxy seeds and water are relatively common. There are cracks in the photo.
Judging from your pictures, this model conforms to the luster characteristics of natural jade glass, and the color and jade structure are natural. There is no problem with natural A goods. The texture of glutinous glutinous rice is a bit thick and the water head is average. The price is around 3000, and the fixed price of jade is almost not outrageous. Personal views are for reference only. Please refer to the physical object and appraisal center.
A goods are made of jade flowers, with waxy seeds and floating blue flowers. The water head is ok, and the appearance is average. The market price is around 800- 1500.
Overall, it's good, baby. The disadvantage is that a brave man is like a sculptor, and his bracelet is not smart. The market price of 1000 to 1500 is reasonable; If there are no lines and cracks in the bracelet, 3000 to 5000 is more reasonable.
Obviously dyed jadeite. Dyed jadeite, also known as "C-goods" jadeite, is a kind of jadeite treated by pickling and glue washing. Generally speaking, jadeite is often dyed green to pass off as natural A-grade jadeite.
The weight on the jade certificate is different from the actual weight, the difference is 6.3. Jade bracelet width 13, thickness 7.6 grams. ...
There is an error in the weight on the jade certificate. For the jade bracelet shown in the picture, there is no problem! The reason why the weights of the three times are different is that when the landlord looks carefully, they are all in the second place after the decimal point, which is caused by the lack of weighing equipment and accuracy. Weighing with a high-precision jewelry scale, the value does not fluctuate.
, enter the query URL on the back of the certificate, and query whether the certificate is consistent with the certificate map on the network according to the operation prompts. 2. Inquire whether the issuing agency has national qualification certification. 3. Weigh the bracelet with an accurate jewelry scale. If the actual gram weight of the bracelet is equal to 779 grams marked on the certificate.
Under normal circumstances, the electronic weighing of different testing institutions will have errors. Some institutions are lazy and often no one calibrates them. In this case, the quality error of different institutions will be 0.XXg.
What are the methods to identify jadeite?
The simplest way to identify jadeite is: luster: after being soaked in strong acid and alkali, jadeite has loose structure, and there are pits on the surface before it is full, which makes it spread and its luster weaken.
To identify the authenticity of jadeite by purple light irradiation is to irradiate purple light with a flashlight to see if there is a fluorescent reaction of jadeite.
The way to identify jadeite is as follows: Listen to the sound: tap jadeite, natural jadeite sounds crisp, and fake jadeite is dull and heavy. Look at the color: the color of real jade and fake jade can be distinguished. Real jade is natural, soft and changeable, while fake jade is frivolous, frivolous, symmetrical and unified.
Look at emeralds, which are unique features of natural jade. Fakes made of imitation glass and ceramics have no emerald characteristics. Listening to the sound, tapping natural jadeite will make a loud and crisp sound, while counterfeiting will make a dull sound, but not all jadeite ornaments are suitable, and bracelets are more suitable.
Do you want to talk about the weight of jade?
1, weight is an indispensable basis for jade trading, and it plays an important role for consumers or operators to understand the authenticity and pricing of jade, especially for unprofessional photos and certificate marking.
2, buy a jade bracelet, you can't just look at the weight, not the heavier the better.
3. When the species, water, color and quality are similar, we should consider the weight factor.
4. No, the weight of jadeite is calculated in g. Remember to choose six words of jadeite: color, transparency, uniformity, shape, quality and illumination. Color: refers to the color of jade. Of all the colors of jadeite, green has the highest value.
5, jade bracelet, the ring mouth is big and small, the same width and thickness, a ring mouth will also make the weight deviation bigger. The density of jadeite is between 30 and 36, so the density with good water head is relatively large, and the sound is crisp, while the sound with loose texture is relatively dull and low.
6, there is a certain relationship, but the size is not the most important. A boutique pendant can be exchanged for several cars of garbage. Jade at the same level must be valuable.