The identification of jadeite original stone is a complicated process, which requires professional knowledge and experience, observation and touch. The original jadeite stone is usually light green or dark green, with certain transparency and natural texture and spots on the surface.

Look at the skin of the original jade stone. The skin of jadeite raw stone is generally divided into three categories: sand skin, coarse skin and fine skin. The thinner the skin, the better the skin will be. The finer the particles, the greater the "water" and the greater the possibility of turning green.

You can identify the original jadeite stone by lighting, touching or looking at the color. The color of natural jadeite stone is gorgeous and natural under strong light, and the green trend is clear, and it will have a gradual relationship with the surrounding. It is very smooth in the hand, and the skin crystal is not easy to fall off, and the color distribution is natural.

Knock on the door. Tap the jadeite stone with a hard object to listen to the sound. The real jadeite original stone has a dense and solid structure, so the sound is crisp, just like the surrounding sound. The fake jadeite stone has a soft structure and a dull sound, which is different from the surrounding sound. Touch.

Is the original stone density 2.96 jadeite?

1. The density of jadeite is 33 ~ 34g/cm3. However, the density of the original stone is about 9 ~ 2, and the greater the density, the higher the possibility of containing jadeite.

2. The original stone with density of 83 is not jadeite. According to relevant public information, the density of jadeite is 25-4, and the main component is jadeite. The higher the density, the higher the possibility of containing jadeite.

3. The density of Russian jade is not good. Usually jade refers to jade with hardness of 5-7; Hetian jade, hardness 6-5; Xiuyan jade, hardness about 6; Dushan jade, hardness 5-6. Everything else is local jade. The hardness of chalcedony is also very high, and some are even higher than jadeite.

Iron ore futures account status

1. Investors have accumulated 50 trading days in one year. As long as there are trading records, there are no other requirements. (Note the futures trading records).

2. If the funds need to apply for trading code or open trading authority, the balance of available funds in the margin account shall not be less than 654.38 million yuan or equivalent foreign currency after daily settlement five trading days before the customer's application date.

3. futures account condition: 18 legal citizen. Hold a valid ID card. Hold one of the following bank debit cards (Gongnong Zhongjian, CITIC, Minsheng, China Everbright, Shanghai Pudong Development Bank, China Merchants, Ping 'an and Xingye).

4. There are many ways to open the trading authority of iron ore futures: palm oil, PTA, China Financial Futures Exchange or Shanghai International Energy Center can be opened unconditionally; There are 50 trading days in a year; Available funds for five consecutive trading days are greater than or equal to 65438+ 10,000.

5. For opening an account for some special futures varieties, besides the above conditions, there are also requirements for capital and trading experience.

6. Requirements for futures account: age 18-70 years old, no bad credit record, certain risk tolerance and economic strength.

Has the original jadeite stone always been jadeite?

Emerald raw materials are all mined from mines, and all have thick stone skins, which have not been polished or partially polished. At this time, it is collectively called jadeite original stone. The jadeite original stone refers to the unprocessed natural mineral, which does not mean that it must be jadeite. Also known as jadeite original stone, it was popular in the late Qing Dynasty and the early Republic of China.

Yes, all jadeite or jade are actually stones, very beautiful stones, but they are called jade or precious stones because they are rare. Jade is a stone, and unprocessed jade is called rough stone, so the transaction of rough jade stone is also called gambling stone.

The jadeite original stone refers to the jadeite that has not been peeled, and the jadeite raw material has not been artificially treated after being mined in the mine, so it is collectively called the jadeite original stone. The transaction of jadeite rough stone is also called gambling stone, among which the jadeite rough stone produced in Myanmar has the best quality and is deeply loved and sought after by many people.

Emerald raw materials are all mined from mines, and all have thick stone skins, which have not been polished or partially polished. At this time, it is collectively called jadeite original stone. The jadeite original stone refers to the unprocessed natural mineral, which does not mean that it must be jadeite. The surface is wrapped in a weathered leather bag, and it is impossible to know whether it is good or bad.

The main components of all jadeites are the same, otherwise they will not be called jadeite and will not be identified as jadeite. There will be some differences in other ingredients. This will be reflected in the appearance and value evaluation of jadeite.

The jadeite original stone refers to the jadeite that has just been mined from the mine and has not undergone artificial chemical treatment. The original stones of jadeite mainly include primary skinless stones, half-mountain and half-water stones, water stones and rocks. Jade rough stone is the raw material for processing jade ornaments and jade ornaments.

The density of the original stone is measured, 3. 18. Is it jade?

Not jade. The density of jadeite is between 30 and 36. It may be hetian jade, or it may be a synthetic object.

It's emerald. Because the density of jadeite is between 30-36, generally around 33, the density of 26 meets the jadeite density standard, so it is jadeite.

Visually, it is jade, but this density is problematic. The density of a piece of jade is basically a constant value, about 33, which will not deviate too much. Otherwise, something will go wrong when you measure the density. If it is really 67, it is definitely not jade. Personal advice, for reference only.