fine structure of soft and Qin Ren, to all sorts of people favor. Currently, the world’s jade from Myanmar, primarily, while the processing of jade, carved mainly in China’s Guangdong, Yunnan and Beijing, Yangzhou, Fuzhou and other cities.
The mineral name is jadeite jade, jadeite, and it is in fact a small collection of other mineral composition of rocks. Its chemical composition is sodium aluminum silicate and often contain a number of trace elements such as chromium, iron, manganese, magnesium, titanium, etc. (it does not contain harmful radioactive elements). It is because of the presence of these trace elements, resulting reveals emerald green, green jade, purple, black and other colorful colors. Jade granular changes with its special crystal structure of woven fibers (like chicken filaments) or the fine extravagant edge structure (Hang Mei Sik kind of high-grade jade), jade of this structure is different from other features. Jade’s hardness and relative hardness of about 7 degrees; its share of relatively stable, generally 3.33; it a more stable refractive index, around 1.66, these are the emerald chemical and physical properties.
Jade also has cleavage and brittleness, which is a feature that it give birth unsolicited. Cleavage: is the jade under external impact will split along specific crystallographic orientation of a character. Brittle: Jade is easily cracked by the impact properties after. As the saying goes the saying “to your guns”, it contains china jewelry wholesale jade will be broken instinct, so be careful not to be wearing emerald crash and