Jadeite belongs to the pyroxene class, monoclinic crystal system, two groups of complete resolution. The main constituents of sodium aluminum silicate NaAl9 (Si2O6), gemstone ore containing more than 50% of the sodium aluminum silicate is regarded as jadeite), produced in the low temperature and high pressure generated in the metamorphic rock layers. It is often accompanied by blue amphibole, muscovite, stibnite (calcium feldspar dihydrate), aragonite, and quartz. The Mohs hardness is between 6.5-7, the specific gravity is between 3.25-3.35, and the melting point is between 900-1000°C. The hardness is between 6.5-7, the specific gravity is between 3.25-3.35, and the melting point is between 900 and 1000°C.
Early jadeite is not expensive, the price is not high, not valued by the world, Ji Xiaolan (1724 - 1805) in the "reading microcottage notes" wrote: "cover the lightness of the weight of the thing, each to its fashion at the time of no fixed beach also, remember the Yu Yu when I was a young man, ginseng, coral, lapis lazuli, the price is not expensive, today it is the day ....... Yunnan jadeite jade, then not to jade, but such as Lantian dry yellow, strong name to the jade ear, today is a treasure, the price is far out of the real jade on carry on".
Chinese love jadeite, more by the influence of traditional culture, often see some aunts, grandmothers, arm wearing a piece of full-color bracelet, after many years, although the head of the water is a little less, but still so translucent.
After a long time, when I think of jade, I think of aunts and grandmothers.
However, when you think of aunts and mothers, you think of square dancing, gold and so on, and the concept that flashes through your mind is "dirt, vulgar"
In the opinion of the old man, the emerald can be said to be dirt?
In fact, it is not dirt, can only say that so many years, jade modeling has always been classic, peace buckle is peace buckle, very few carvings;
Bracelet is the bracelet, can not be carved into odd shapes, angular;
Pendant is at most the inlay above the innovation, the main thing is still trying to highlight the status of the emerald and the value of jade, can not be dominated by the main.
Might as well imagine such a scene: seven aunts and aunts of the party, you are wearing a jade bracelet, but obviously there is a person's bracelet products than your are good, awkward?
Common varieties
Common varieties of old pit species of jadeite, ice species of jadeite, water species of jadeite and more than a dozen varieties.
Black Ice Ink Painting Seed
Ink Painting Seed Jadeite
Black Ice is gray-black to deep black Jadeite, more than 98% of which is jadeite, is a single mineral rock, the structure of the compact and delicate. The black color is formed under the surface during the formation of jadeite, often by organic carbon infiltration.
Black ice raw stone is mainly produced in the Pachang mine in Myanmar, Myanmar, Naypyidaw, Yangon and other places in the auction can also be seen in the figure of black ice raw materials.
In the industry, because of its texture black, as if a painting of ink and landscape, the old connoisseur also called it "ink painting kind of jade".