Berita perhiasan

rose gold pendant light Classification of Jade

Diposting di oleh Kingjy

1. Divided by output status

New pit material refers to the primary ore that is extracted from the mine manually without any transportation. The surface of the new pit material is fresh, no weathered crust, dense block shape, with edges and corners, often poor transparency, short water head, and relatively fresh color. Pit material is also called Zai material or old factory jade. Generally refers to the original jadeite ore that is mechanically weathered and broken under the action of external force, dan adalah “transported” to the jadeite gravel accumulated in different places in hillsides, river valleys, floodplains and river terraces. The shape is generally round to pebbles, with different thicknesses on the surface. One weathered leather shell. In the long geological age, these ores have been subjected to the oxidation of water soaking, with good transparency, long water head, bright color and warm texture.

2. Divided by color

Green jadeite is called “Cui”. Umumnya, the greener the color, semakin baik. The bright color “Gao Cui” is the best.

Red jadeite is referred to as “Giok” and has yellow, yellow-red, red-brown and deep red tones, with deep red and bright red being the best.

Violet jade is abbreviated as “purple jade”. Lavender is the most common, while deep purple and deep purple are rare and most precious.

Fu Lu Shou jade refers to the three colors of green, red and purple appearing on a piece of jade material or jewelry at the same time, which is extremely valuable.

White jadeite is generally white to colorless. Sometimes star-shaped other colors can be seen, and this type of jade is the most common.

3. Divided by processing and processing technology

It is divided into natural jadeite and processed jadeite, which are called goods A, B and C in the market.

Item A is completely natural jade, which means that after the rough jadeite is excavated, there is no chemical treatment of the stone, and there are also jade finished products that have only been cut and polished, regardless of the color or texture. .

Goods B is jadeite rough, soaked in strong acid to remove impurities, usually filled with other substances (generally resins) to strengthen the loose structure of jadeite after being eroded by strong acid, as long as the jade treated by acid is called B goods. But goods B has not been dyed, so the color is still natural. The price of the processed goods B is much different from the price of goods A with similar appearance, and may even differ by more than tens of times.

Goods C is dyed jadeite, and its color is artificial rather than natural. Although the composition of product C is still jade, the price is lower than that of product A, because the color of jade is the most important factor in determining the price.

Jadeite that has gone through the processing steps of goods B and C, yaitu, the two steps of pickling and dyeing, is called B+C goods.

 

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