Many people who come into contact with jade should know that there is a kind of oily jade in the kind, color and land of jade. The color can be called oil blue, and the texture can also be called oil green. The kind is called oil green, then oil. What is the green jade? What is the value of oil green jade?
Oil green is a delicate, transparent and oily jade. There are two types, one of which is dark blue, the water is very good, and the light is blue and gray, without green. The second is a blue-green tone, the green light is under the light, and the water is good.
By analyzing the former oil jadeite without chromium, it contains more than 1% of divalent iron ions. The latter oily jadeite contains traces of chromium and iron.
In addition, there is also a jadeite called oil green, whose color is the same as the dark green water in the previous description, but the hardness is only 5.5~6. The specific gravity and refractive index are very different from those of jadeite. Containing omphacite, the second is jadeite, containing no chromium but containing iron, it should be called omphadenite jade or omphacite jade.
Oil blue, rigidity is not enough, density is not enough, ice is not enough, the background color is heavy, we are used to subdividing according to these: the blue color of the ground is called blue oil green, the ground color is called green oil green, old kind The high density is called old oil blue, and the gray smell is too heavy.
Oily green jade, in general, refers to the color is dark green or even gray, with a sense of oil, refers to a jade with a fine texture, transparent and round, oily oil as the name suggests is a sense of oil, it seems to be The oil is soaked in the same way, generally, more delicate, can block some cockroaches, but also more transparent.
Green means the color of the jade, usually green, but the color is darker and grayer. Also known as the oil cyan, oil cyan is generally divided into two types, one is the original oil cyan, one is the secondary oil cyan.
The original oil cyan is not jadeite, but is composed of omphacite minerals, which are generally dark green and grayish green. It is the color of its own omphacite minerals, with a sense of overallity and a relatively stable color.
The secondary oil cyan is generally grayish green and blue-green. It is also called green fog in the wool. It is mainly the surface of the near wool. Some colloidal microcrystalline chlorite clay material along the gap of the jadeite mineral. Or a color formed by infiltration in a fissure. Because it is not the color of the jade as a whole, the boundaries of the colors can be seen more clearly.
So, what is oil green?
The species generally refers to the texture of jadeite. The oil-green species are generally named after the oily cyan. The best texture of the oil-green seed is the “ice oilâ€, which is the ice and the oil-blue jade. The texture is the best. Transparent and bright, delicate and round, it is the top grade in oil green. The common oily greens of the hoe land and the bean field are often rough in texture and uneven in color, which is a medium and low-grade product in the oil green variety.
Although the background color of the oil green is gray, many textures are not very good, but if you carefully sculpted, you can often achieve a masterpiece, but it is also very beautiful and valuable.
Most of the low-grade oil-green jadeites are beans, the head is very poor, the crystal grains are coarse, there is no hydration feeling, the color is almost single gray or gray-black, very rigid and dull.
A small part of the mid-range oil and green jade can reach the cockroach species, the blue color tone appears in the color gray tone, the transparency is relatively high, and it appears slightly energetic.
The high-grade oil and green jadeite is quite rare, its color is very uniform, the transparency is very good, and there is a certain fluorescence corresponding to the oil-green jade. This kind of oil-green jade color is gray, but the color is not gray and dull. The feeling, but the gray shows masculine and righteous.
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