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grosir perhiasan perak fashion Evaluasi warna dan transparansi batu giok

Diposting di oleh Kingjy

The color and transparency of jadeite are important factors that determine the value of jadeite.

1. warna

The four words “Yang, Nong, Zheng, and He” highly summarize the color elements of jadeite. “Yang” refers to the green color which is gorgeous, bright and generous; “Dense” refers to the color is rich and bright, with a certain degree of saturation and brightness, full, thick and grand; “Positive” refers to the pure color; “Harmoni” refers to the uniform and soft green. With these, the color of jade is excellent.

Jade has a variety of hues, mainly green, kuning, red, purple, cyan, hitam, white and various transitional colors. For the evaluation of emerald tones, green is the best overall. Purple is commonly called violet and has a relatively high value. Red vividness refers to the brightness of the color. Obviously, the brighter the color the better, the darker the worse. Because of personal preference for dark colors, introverts generally like darker colors, while extroverts like light colors, but the requirements for vividness are the same. The higher the vividness, semakin baik.

The density of the color refers to the depth of the color, yaitu, the saturation of the color. Umumnya, the color density can be divided into three levels: deep, medium and light.

2. Structure and transparency

The structure and transparency of jadeite is also called the texture of jadeite.

Jade with good transparency has a gentle and soft beauty, while jade with poor transparency will appear dull and lifeless.

The texture of common jadeite (juga dikenal sebagai “di” atau “dizi”) can be divided into the following varieties:

Glass floor: fine structure and good transparency.

Lotus root powder: translucent to transparent, lavender, delicate jade is generally very expensive.

Clean ground: A more turbid texture like egg white, with poor transparency.

Oil green ground: fine texture, darker color. There are oil blue, gray blue, blue blue and other colors.

Dry land: rough texture, buram, and poor water head texture.

The traditional jade industry calls the transparency of jadeite “water head”. Good transparency is called “head foot” or “long head”. The jade will appear very crystal clear, giving people the feeling of “watery”; if the transparency is poor, it is called “poor head” or “short head”, and the jade will look very clear. “Dry” atau “kaku”.

Concentrators are often used in the industry to observe the transparency of jadeite. Using the depth of illumination to measure the degree of transparency can quantify the length of the surface water head. Umumnya, a depth of 3mm is called one cent of water, and a depth of 6mm is called two cents of water. Umumnya, two cents of water is a good glass ground.

If the green jade has fine texture and good transparency, then the “ground” will play a role in setting off the green beauty and improve the grade of jade.

Tentu saja, when evaluating the transparency of jadeite, we must also pay attention to the effect of transparency on the color. Secara umum, in translucent jadeite, the light passing through the color spot becomes green after being selectively absorbed by the color spot. After the reflection of the jade particle, the color will be brought to the colorless or light-colored area, and the emerald green will be expanded. Opaque or too transparent is not conducive to color expansion.

Different types of jade have different effects on transparency. For jewelry such as ring face, anting -anting, and small pieces of jewelry, color is generally more important than transparency, while for large jewelry, such as bracelets and pendants, transparency may be more important than color under certain circumstances.

When evaluating middle and high-end jadeite, the quality of jadeite texture is even more important than color.

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