The rumors about the "four big killers" in the jade market have made many tourists who want to buy jade in Yunnan Ruili, Tengchong and other places have a lingering fear. In fact, the so-called "four killers" are "water foam" (sodium feldspar jade), "tumbler", "Quin" and "Moss stain". These four kinds of jade are very similar to jade in the eyes, but Its value is much lower than that of emerald, causing some consumers to be deceived and suffer economic and spiritual losses. "Water foam" is albite jade, hard sodium jade, its appearance is similar to the ice at the bottom of the ice or the bottom of the ice. "Tumbler" is a transliteration of Burmese, because this green jade is produced in the northeastern part of Pagang in northern Burma. The Burmese voice is similar to the "tumbler", so the Yunnan border market is commonly known as the "tumbler." According to the investigation and analysis by Mr. Wang Shizhen from the Department of Geology of Peking University to the Ruili market in Yunnan, there are two kinds of jade pieces called “tumblerâ€. The first one is water calcium aluminum garnet, translucent to opaque, green is mostly spotted or The strip shape is magenta under the color filter; the second type is opal chalcedony, translucent to transparent, and green is more uniform. The skilled insider can see that the seed is tender and has no characteristics such as fog. "Quenyu" is also the Chinese transliteration name of Burmese. After research, this is a kind of nephrite. Its structure is more delicate, transparent to translucent, grayish green or grayish blue. After cutting, there is a cyan stripe pattern and More impurities. Its refractive index, density and hardness are lower than jadeite. “Moo Stain†is more common in the Ruili and Tengchong markets in Yunnan. After research, its mineral composition and structure are similar to those of jade. In fact, it is a special variety of jade, which the traditional jewellery business calls dry green jade. Experts call it sodium chromite. The most prominent appearance of "Moss stains" is that the color is dark green, the water head is poor, and many of them are colored and waterless, which is dubbed "dry three masters." However, there are also high-quality "Moo's stains". The head is better. When it is made into a thin ring, ear and earpieces, the color is green and green. People call it "broad" and have a high ornamental value. And business value. Of course, most of the "Moss" stains are very dry and the selling price is low. Business Shirt,High Quality Business Shirt,Business Shirt Details, CN Jiangyin Yiqifeiyang Apparel Co., Ltd. , https://www.jyyqfy.com
December 23, 2020