1. Jade can go to an authoritative jewelry and jade appraisal institution recognized by the state for instrument appraisal and issue an appraisal certificate. The simplest way to identify jadeite is: luster: after being soaked in strong acid and alkali, jadeite has loose structure, and there are pits on the surface before it is full, which makes it spread and its luster weaken.
2. General jewelry appraisal bureau, jade wholesale market and large jewelry store can all identify the authenticity of jade.
3. Identifying the origin of jadeite If you want to identify jadeite, the easiest and most effective way for beginners is to send jadeite to the local jadeite quality inspection center for inspection, and at the same time send the jadeite identification certificate to the quality inspection center for identification.
4. Jade can go to an authoritative jewelry and jade appraisal institution recognized by the state for instrument appraisal and issue an appraisal certificate. In this way, the result is exact, the authenticity is clear at a glance, and it can be foolproof.
Jade can be appraised in some appraisal centers or institutions, or by a professional appraiser. If you want to identify jadeite, the easiest and most effective way for beginners is to send jadeite to the local jadeite quality inspection center for inspection, and at the same time send the jadeite identification certificate to the quality inspection center for identification.
How to identify the authenticity of jadeite jade
1. According to the color, density, smoothness and convexity of the epidermis, we can roughly estimate the internal color, water head, land quality, old and tender species, and the number of cracks of jadeite raw materials.
2. Identify by hardness. Real jadeite has a high hardness. We can scratch or scrape the surface of jade with sharp nails or knives. If it is real jade, the surface of jade will feel very slippery and will not leave any scratches.
3. The identification method of jadeite is as follows: Look at the color root. Natural jadeite, especially green jadeite, has color roots. A color root is a place where green is thick, and then green will spread around the color root. Under the transmission of strong light, green will fade or disappear in some places, but the color root is still green.
4. The unreliable identification method popular in the workshop, listening to the sound identification method, it sounds crisp and pleasant to knock A jade with A jade, and it sounds dull to knock B jade (in this way, the jade crack will affect the sound transmission, and it is completely unreliable by feeling identification.
Where is the place to identify jadeite in Beijing?
Beijing Zhong Da Jewelry Appraisal Center. Address: North of Beijing Cheap House Hotel Chain (Xisi Subway Station), Xisi South Street, Xicheng District, Beijing, Beijing Zhongwei Jewelry and Jade Quality Testing Center. Address: Room 6020, Feng Wan Jewelry, No.59 North Street, Xinjiekou, Xicheng District, Beijing.
Jewelry appraisal center. Address: Beijing Zhong Da Jewelry Appraisal Center, China Geo University, 50m east of the intersection of Furniture Avenue, South Street, He Shili Village, Chaoyang District, Beijing. Address: F40 18, F4 Floor, Xidan Wedding Building, No.0/09 Xidan North Street, Xicheng District, Beijing. Peking University Jewelry Appraisal Center.
Bao Zhongxie Gemstone Testing Center, Address: Floor 1, Affiliated Building of Ministry of Land and Resources, No.30 Xisiyang Hutong, Beijing, Tel: 66557585. Gem Appraisal Center of Peking University, Address: Room 3303, New Teaching Building of Peking University, Zhongguancun, Haidian District, Tel: 0 10-62755676.
Personal jadeite inspection (or batch inspection) is conducted by Caibai, Xisiyang Hutong, Liuliqiao Lotus Bao Tong, Xiaoying Beijing International Jewelry City, Xinjiekou Guangjin Avenue Jewelry City, Wuhuan Jewelry, Huafu Xinyang Jewelry, Wante Jewelry and Dazhong Temple Ai Jia Collection, all of which can identify jadeite.
Go to the third floor of Beijing International Jewelry Exchange Center. The University of Geology has an appraisal center. Besides, many shops in the jewelry city are good. You can go and see more. Recommended: Pugu Emerald.
National Jewelry and Jade Quality Supervision and Inspection Center Address: 9th Floor, Tianya Antique City, southwest corner of Warwick Bridge, East Third Ring Road, Chaoyang District, Beijing. Price: about 150 yuan/piece.