Emerald encyclopedia

Identification of jadeite jade

1. Transparency

transparent

Typical species: reflection observation of glass species: strong light transmission observation of internal condensation: most light can pass through the sample, and internal characteristics can be seen.

Sub-transparency

Typical species: ice species reflection observation: weak internal convergence light. Transmission observation: part of the light can pass through the sample, and the internal characteristics of the sample can be seen.

Micro-transparency

Reflection observation of typical varieties of waxy seeds: the internal convergent light is very weak, and only a small amount of light can be seen through. Light transmission observation: a small amount of light can pass through the sample, and the internal characteristics of the sample are blurred and invisible.

opaque

Typical varieties; Reflective observation of beans: there is basically no condensation inside, or a small amount of light penetrates. Transparent observation: little or no light enters the sample, and the internal characteristics of the sample cannot be seen.

Jadeite is mainly composed of jadeite minerals or other sodalite with high jadeite molecules, also known as sodalite, accompanied by a small amount of other minerals such as pyroxene, amphibole and albite. Ingredients: sodium aluminate (silica). English: Emerald. The hardness is 6.5~7, the specific gravity is about 3.33 and the refractive index is 1.66.

2. Texture

tiny

Mineral particles

Visual characteristics: the structure is very fine and the particles are uniform. Under the magnifying glass of 10 times, the cracks filled by composite primary cracks and secondary minerals are not emeralds.

filmy

Mineral particle 0.1-0.5mm.

Visual characteristics: fine and compact structure, uniform particles. 10 times the magnifying glass, a small amount of particles can be seen, but the particle size is difficult to see with naked eyes, and it conforms to the primary cracks. Secondary minerals fill the cracks, and emerald is occasionally seen.

very good

Mineral particles 0.5- 1 mm

Visual features: compact structure and uniform particles. 10 times magnifying glass shows a small amount of composite primary cracks, but no secondary minerals are found to fill the cracks, and emeralds are occasionally seen.

Rough

Mineral particles 1-2mm

Visual characteristics: the structure is not compact enough and the particles are uniform. Under the magnifying glass of 10 times, small cracks, composite primary cracks and cracks filled with secondary minerals are found, with uneven particle size and rich emeralds.

Rough

Mineral particles > 2mm

Macroscopic observation features: loose structure and great disparity in granularity. Visible cracks, composite primary cracks and cracks filled with secondary minerals. See a lot of emeralds.

Jade is a precious gem and has the reputation of being the king of jade. Emerald and emerald were listed as birthstones in May, which are symbols of luck and happiness. In the east, especially in Japan, Southeast Asian countries and Hong Kong and Macao, it is deeply loved by people. Emerald is produced in Myanmar. At present, it is used in all countries, some of which are artistic sculptures, and most of them are made into various styles of ornaments, such as necklaces, rings, earrings, brooches and so on.

Step 3 be clear

Extremely pure

Internal and external features: punctate and flocculent.

Visual features: Visual features: You can't see any colorful internal and external features with the naked eye, and the extremely subtle internal and external features are hard to see with the naked eye, which has little influence on the overall aesthetic feeling and floc.

pure

Internal and external features: punctate and flocculent.

Features of naked eye observation: features of naked eye observation: the inner and outer features of color waste are invisible to the naked eye, and the extremely subtle inner and outer features are difficult to see with the naked eye, which has a slight impact on the overall beauty, floc and overall beauty.

pure

Internal and external features: punctate, flocculent and blocky.

Characteristics of naked eye observation: it has obvious internal and external characteristics and can be seen by the naked eye, which has a certain influence on the overall beauty.

Shang Chun

Internal and external features: punctate, flocculent, massive, cleavage, texture and cracks.

Characteristics of naked eye observation: it has obvious internal and external characteristics, is easy to be seen by the naked eye, and has obvious influence on the overall beauty and durability.

impurity

Internal and external features: punctate, flocculent, massive, cleavage, texture and cracks.

Characteristics of naked eye observation: it has extremely obvious internal and external characteristics, which is obviously visible to the naked eye and has obvious influence on the overall beauty and durability.

Jade jewelry is the essence of traditional culture in China, with beautiful appearance and a symbol of classical charm. Ingenuity and uniqueness give people an unforgettable beauty, a soft breath from the depths of culture, a historical precipitation, a beautiful precipitation and a unique charm.

Such deep, crystal clear, subtle, mysterious, meaningful and luxurious jade jewelry has become an indelible trend in the fashion world and an eternal fashion for Chinese people because of its implication of exorcism, protection, auspiciousness and wealth. Originated from classical and quite modern. Those jadeites carved with auspicious patterns are symbols of luck and happiness and become what people call blessing jewels.

I. Country of origin

Myanmar is a world-famous jadeite mine. Emerald mining area is located in Myitkyina, northern Myanmar, with an area of about 3,000 square kilometers, along the western border of Kachin State and Sagaing Province. According to geographical location and administrative divisions, jadeite deposits in Myanmar are customarily divided into eight sites, and each site is divided into many small "sites".

Second, mining.

Jade mining time is not long, with a history of more than 600 years. At first, the mining of jadeite was completely completed by manpower. The mine was mainly located in farmland and rivers that were easy to mine, commonly known as placer mines. Because of its long mining history, it was also called old pits. The discovery of jadeite primary ore began at 1875, which is difficult to mine, and the quality of jadeite produced is often not as good as placer ore.

In the 1990s, large excavators were put into the mining of jadeite. In recent years, a large number of explosives have been used in it, which has greatly improved the mining technology of jadeite. There are few jadeite jade, and it is even harder to find fine jadeite jade whose economic value is less than 30% of the original jadeite stone. Some people describe it as more difficult to find a good piece of jade than to win a sports lottery.

Most people tend to think that jadeite is green, but it is not. Jade is divided into red, yellow, white, black, gray-blue and purple in addition to the common green shades, and each color has shades. The coexistence of jade with various colors is not only rich, but also more precious. For example, the coexistence of red and green is called "double happiness", the coexistence of red, green and purple is "Fu Lushou" and yellow is "four happy events". If there is a white background, it is precious, and it is called "Five Blessingg".

If men and women in western countries are proud of having one or two green, pure and flawless Yu Pei. In recent years, with the rapid development of China's economy and the increase of personal income, wearing jade ornaments in big cities has gradually become a fashion. If four colors, red, green, purple and yellow, are reserved on jade, indicating happiness, wealth, longevity and happiness, then it is a very precious and rare jade.