How to identify the pros and cons of jade products
In fact, the comprehensive evaluation of jade quality is a complicated task.
Mainly:
First look at the transparency of its texture. Transparency refers to the degree of light transmission of jadeite. It can be divided into several grades: micro-transparent, translucent, micro-transparent, opaque, etc. Cracking, excessive impurities will affect color, transparency and polishing luminosity, cracks, especially penetrating cracks. The existence of will greatly reduce the price of jade.
Texture refers to the quality of the green environment around the emerald. This includes the degree of fineness of minerals, the amount of cracks and impurities, transparency, color, and overall coordination with green. The texture is actually a comprehensive evaluation mark, and another impression of intuitive feeling. The quality of the texture represents the quality of the jade to a certain extent.
In general, jade is the most transparent or transparent, and the expert is called “old jade†and has the highest value. Translucent jade is called "new and old species", the price is second. The jade is opaque, and the dryness is called "new jade".
The second is to look at color. The color of the jade is ever-changing, with bright green, bright red and violet. Among them, green is expensive. The evaluation of green pros and cons is measured by the words “strong, yang, pretty, positive, andâ€, which means:
Thick: green, dark green, green is thick but not black.
Yang: Bright and bright, not gray or dark.
Pretty: beautiful and crystal, with the meaning of youth.
Positive: Green is pure, green does not have blue, green and other mixed colors.
And: green even, harmonious, no flowers.
The order of the green varieties is green, micro-belt gray green, yellow-green, micro-strip gray green, gray-green.
Note: The evaluation of green should not be under strong light, not under transmitted light, under natural reflected light.
The jade is rich in color, such as green, red, purple, gray, yellow and white. The most expensive one is green. According to the shade of green, it is subdivided into more than 10 kinds of gemstone green, brilliant green, and glass green. The high-quality emerald green is rich, transparent, oily, and free of impurities. When it is struck with a hard object, its sound is crisp and loud.
Commercially divide jade into three levels:
Special grade: also known as emperor jade, color green (grandmother green), pure color, rich, uniform, high transparency. The texture is fine and there is no crack. This jadeite is very rare and extremely expensive.
Commercial grade: also known as commercial jade. This jade green color is often mixed with other colors, green shade canvas is not uniform, translucent - opaque, dense and delicate texture, brighter colors, higher transparency is the top grade, the price is more expensive.
Ordinary grade: also known as ordinary jade, the color is mostly pale green, bean green, spinach green, oil green and other non-bright green, different shades, uneven distribution, mostly opaque, thicker structure, often cracked, high quality can be used Jewelry, mostly used to make crafts.
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