Jade is a kind of jade. When I heard the word of jade, my heart raised a burst of coolness, giving people a cool feeling. Different jadeites have different colors, so what are the common jadeites? Let's get to know it!
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Common jade species:
The old pit is jade, ice jade, water jade, violet jade, white jade green jade, green jade, red peony, yellow palm glutinous, bean jade, ice glutinous jade, hibiscus jade, horse jade jade, glutinous rice Jade, wide film, green silk jade, gold silk, oil green jade, Bashan jade, dry white jade, ink green, iron dragon.
Jade can be divided into three categories: A, B, and C.
Jade A goods
Jade's A goods are naturally produced, without the artificial use of physical or chemical methods to destroy their internal structure or the jade that is brought in by materials. After the traditional process of weak acid, weak alkali to dirty, and wax-embedded jade is also A goods. - That is to say, there is no jade that has not been soaked with strong acid or artificial color.
Jade B goods
Emerald B goods refers to those intermediate or lower jade materials or finished products that have yellow, gray and black spots, and have good green color. After manual treatment (chemical reagents, re-filling and filling), the spots are removed. Increase transparency and make the original green appear pure, but there is no jade that has been artificially dyed or painted. The physicochemical treatment of B goods is to improve the grade of jade, but by processing the structure that has destroyed the jade, making it loose, reducing its quality has changed some of its optical and physical properties, and thus can not Compared to untreated jade, the price is much lower. - It is the jade that has been soaked with strong acid, but no artificial color is added.
The production process is as follows: firstly, different acids are selected according to the mineral composition of the spots to be removed, and the sample is soaked for several days, and the time is taken to remove the spots; since the minerals filled with voids or cracks are dissolved, the structure of the jadeite is made. Become loose. Therefore, it is necessary to fill the cement with a glue with a strong bonding force. Use the same color as the jadeite, usually epoxy resin; then apply the glued sample on the tin foil, heat it in a microwave oven, let the glue penetrate into the crack, and coagulate (sometime under high pressure vacuum) Carry out); finally use a knife to scrape off excess glue that has flowed out of the crack to the surface of the sample. B goods jadeite is filled with resin, the time is long, the resin is aging, the surface gloss of jade will be worse, the transparency may change, and the color will change slightly.
Emerald C goods
Emerald C goods refers to jadeite that is colorless and light green. It has been artificially dyed (there are many kinds of dyeing methods, some will destroy the structure, but the pigments only exist in the jadeite crystal). The color of the C goods is easy to return. - It is the addition of artificial color jade; usually it is first soaked with strong acid to improve his transparency, and then add color, which is BC goods.
The production process is as follows: firstly select the appropriate jadeite, generally have a certain degree of porosity, especially dense jade can not be dyed; then the dyed jade is strictly cleaned, often add dilute acid, clean off oil or surface impurities; then emerald Put it in the drying oven for drying, soak it in dye or pigment after drying; slightly heat to accelerate the rate at which the solution invades the jade pores. The time depends on the quality of the jadeite, which usually takes 1~2 weeks. Soak the partially colored jade, and after drying, dip a layer of wax to make the color distribution softer.
The division of jadeite can be divided according to its quality, grade, and crafts. Different methods of division are different. At present, the most jadeite on the market can be divided into three categories: A, B, and C. The value of A goods is relatively high, so it is favored by people.
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