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charms jewelry wholesale The antique market on a street in Qingshuang, Changsha Qingshu can buy good emerald jade (1) The difference between nephrite and emerald we often hear "Hetian jade", "Taiwan jade", "Canadian jade"; The names of Baiyu "," Jade "," Jade "," Mo Yu ", and other names, they belong to the collection of" nephrite "in mineralology. "Nephi" has not been seen in ancient Chinese classics, and it is derived from modern minerals. Rate jade is a special collection of corner glittering minerals. According to its color, nephrite can be divided into: white jade, green jade, jasper, ink jade, yellow jade, sugar jade and other important varieties. The differences between nephrite and emerald are: 1. The color of nephrite is relatively uniform, with white, dark green, black green, etc., without fresh green. 2. Rate jade is oil -luster and no green. 3. The proportion of nephrite (3.00) is slightly lower than the proportion of jadeite. 4. The refractive index (1.62) of nephrite is also slightly lower than the refractive index of jadeite. (2) The difference between "Malay jade" and jadeite in the 1980s, a green and uniform jade appeared in the jade market. Emerald. What is this jade? This jade is called Malaysian jade (referred to as Ma Yu, also known as "Malay Cui"), which is just the name. Malaysian jade is not produced in Malaysia. It is a fake emerald name that India and Pakistani businessmen brought into the border of Yunnan in the early days of the mainland. Malay jade is actually a kind of extremely fine -grained quartz rock dyed, but there are obvious differences from emerald: 1. Observe the naked eye, the color of Malaysian jade is too bright and unnatural. 2. The proportion of Malaysian jade is 2.65, and the proportion of more than emerald is 3.24 ~ 3.43. 3. The average refractive index of Malaysian jade is 1.55, which is lower than the refractive index of jadeite. 4. The color will not become red under the Charles filter, but the presence of the dyeing agent can be observed under the ten -fold mirror, that is, the color is very floating, which is the phenomenon of dyeing. (3) The difference between Australian jade (green chalcedony) and emerald Australian jade, also known as Nanyang jade, is named after being rich in Australia. Because of the green color, people are loved. It has certain light transmission, fine particles, and low price, once confused some people. In fact, it is a crystal SiO2, which is called chalcedony or stone plants in minerals. Australian jade cannot be called jade strictly. It should be a green chalcedony. Its appearance is quite like emerald, but it is different from emerald: 1. The color of Australian jade is too uniform, and it is green. Like plastic. 2. With amplifying mirror observations, Australian jade never sees green. 3. The proportion of Australia with a proportion of 2.60 is much lighter than the proportion of jade than jadeite (3.24 ~ 3.43). 4. The refractive index of Australian jade is 1.55, which is lower than the refractive index of jadeite. (4) The difference between Dongling jade and jadeite is common in the jewelry market with medium green (its depths change) and semi -transparent beads (also occasionally carved into ornaments). Not high, it is favored by many ladies. What exactly is this kind of beads? Asked the seller, he replied, "This is the Dongling jade produced by India." Dongling jade, also known as Dongling Stone, was earlier in India, so it is also known as "Indian Jade". There are also output in Henan, China, and some people call it "dense jade", but the correct name should be Yaoshi. The differences between Dongling jade and jadeite are: 1. Perfecting light, which shows that Dongling jade has parallel green chromium cloud mother films. Looking at it, a "green line" is often formed. Observation under Charles filtering, green chromium cloud mother was red. 2. The proportion of Donglingyu is 2.65, which is much smaller than the proportion of jadeite. You can weigh it with your hands. 3. The average refractive index of Donglingyu is 1.55, which is lower than the refractive index of jadeite. (5) The difference between water mill (sodium long stone jade) and emerald in recent years, in the jewelry market in Kunming, Ruili, Tengchong and other large cities in Kunming, Ruili, Tengchong, Yunnan, a good water head appears well, transparent or semi -half. The transparent "ice species" jade, the color is generally white or gray -white, with less white spots and ribbons, and uneven distribution. This kind of jade is called "water dumplings" in Yunnan. It is called "fluttering blue flowers" and is often processed into bracelets, pendants and carvings in the Taiwan market. In fact, the main mineral ingredients of "water mill" are sodium, followed by a small amount of pyroxoplasm minerals and corner glitter minerals. Simple appraisal can be used in the following methods: 1. Apricate observation method: Water abrasives are mainly composed of sodium long stone. They are not emerald and have more white stone brains or cotton. 2. Hand 手 method: The proportion of water mills (2.57 ~ 2.64) is much smaller than the proportion of emeralds, and it is obviously slightly light -like with the emerald gear. 3. Measure the refractive index method: The refractive index of the water mill (1.52 ~ 1.54) is far less than the refractive index of jadeite. All in all, if you understand the characteristics of jadeite, you can master the difference between jadeite and similar stone.

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