1, 8 Jasper: It is produced in Junggar jade mine, also known as Tianshan Jasper. It is grayish green, dark green and dark green, with pure dark green as the top grade. There are black spots, black spots or jade tendons, and the quality is one grade worse. Jasper contains tremolite more than 85%, which is delicate, translucent and oily, and belongs to mid-range jade.
Jade and jade are better than jade. Jade is indeed jade, but jade is not necessarily jade. Jade is the king of jade and the gem-grade jade with the highest international recognition. It has many incomparable characteristics and advantages compared with other jade varieties.
3. The transparency of jade is higher, making it more clear and transparent, agile and lively, while the translucency of Hetian jade makes it more moist and calm. Moreover, on the surface of Hetian jade, you can feel a sense of grease, making Hetian jade more delicate and moist. Emerald, on the other hand, has no such greasy feeling.
How many kinds of jade are there?
Chinese jade includes Xinjiang Hetian jade. Hetian jade is produced in shache-Tashkurgan, Hetian-Khotan and Qiemo counties in Xinjiang, stretching 1500 km on the northern slope of Kunlun Mountain, with 9 producing areas. Type: white jade (suet white, sugar white,) blue white jade, sapphire, jasper, topaz, jet. Turquoise is produced in Yunxian County, Hubei Province.
Nephrite refers to Hetian jade in a narrow sense, and broadly includes more than ten kinds of nephrite such as xiuyan jade, Nanyang jade and Jiuquan jade. Many nephrite have the same long history, such as xiuyan jade. Nephrite mainly includes white jade, sapphire, topaz, purple jade, jet, jasper, sapphire and ruby.
Yuyou 122 varieties are divided into two categories, one is nephrite and the other is jadeite. The so-called' jadeite' mainly means that jadeite belongs to pyroxene, in other words, jadeite basically describes jadeite. Its Mohs hardness is between 5 and 7, which can be said to be a well-deserved' jadeite'.
How to distinguish the grade and price of jade articles
Observed by naked eyes under the light, the texture is delicate, the color is soft and the stone lines are obvious; Slight impact, crisp and pleasant voice; Holding it in your hand has a heavy feeling, which is obviously different from other jade. For example, the imitation jade bracelet similar to quartzite is relatively light, and experienced walkers can tell the authenticity with their hands.
Emerald is divided into three grades, and the grades and characteristics are as follows: super grade: brilliant green (emerald), apple green, glass bottom (translucent, fine texture), uniform and bright, without impurities and cracks. Commodity grade: green, oily green land, slightly transparent, mixed and translucent grandmother green veinlets and mottled green.
Produced in Qinghai, hence the name. Beautiful appearance, the color is white or light gray with green stripes, and the jade is delicate and translucent. Because its appearance is similar to jade, some unscrupulous businessmen regard it as jade. Lapis lazuli Lapis lazuli is an aluminosilicate mineral containing sodium and calcium.
Observe with a color filter. Natural jadeite will appear grayish green under the color filter, and the darker the color, the darker the gray. If you dye jade, the color filter will filter out the artificial green of jade, and what you see under the mirror is a reddish brown.
A. The raw materials and finished products of jadeite are real, and there is no artificial forgery. They are genuine. High-grade jadeite has property, value preservation and investment. It is not only material wealth, but also spiritual wealth. Because this kind of high-grade jade products are very rare, less and less.
(6) Photo: There are black spots and flaws in jade that are not easy to be found by naked eyes. As long as you take a photo with a magnifying glass of 10 times, you can have a panoramic view. The quality of jade can be divided into 10 grades, and each grade can be subdivided into three grades: upper, middle and lower. Among them, white jade has the lowest value regardless of color and transparency.
Jewelry knowledge is very high.
Carat (Ct) is the unit of mass (weight) of gemstones. Now it is determined that 1 carat is equal to 0.2g or 200mg .. One carat is divided into 100 minute, such as 50 minutes or 0.5 carat, which is used to calculate smaller gemstones.
The crystal plane of water crystallization is glass luster, while its conchoidal fracture is oily luster; The hardness is 7, the specific gravity is 66, and it has compressive and optical properties. Crystal has a wide range of uses, mainly used as necklace beads in handmade and jewelry, as well as some small pendants and ornaments. Crystal is mainly produced in Brazil and Uruguay, and China is mainly produced in Yangjiaoling in Hainan and Donghai in Jiangsu.
Jinlong Jindian is one of the few jewelry brands with mines in China. The largest gold reserves are not on land, but in the ocean, where there are as many as 20 million tons of gold. The largest gold reserve is 8 135 tons in the United States, and China ranks fourth 1846 tons.
What is jadeite? Where can I buy it?
1, just go to the professional jewelry market, not to the tourist area. Some department stores also sell them. But the price is too high. You can also contact me.
2, jade market, high-end shopping malls, specialty stores, etc. You can buy natural jade bracelets. But different quality, different regions, different channels, the price difference is huge. If you know what you are doing, you are unlikely to be cheated.
3, online, physical stores, micro-businesses can buy, and now many of them are equipped with certificates that can be found online. But it is best to take the third-party platform and choose the merchants who can return the goods, so as to protect themselves.
4.A jadeite actually describes the quality of jadeite, besides A jadeite, there are B jadeite and C jadeite. Among them, Grade B jadeite refers to jadeite soaked and washed with strong acid, with loose structure. And C jadeite refers to dyed jadeite, and the color of this jadeite tends to float on the surface of jadeite.