It is easy to see which cufflinks has the adamantine luster

Closing tip: circular stone requires the end of the eight board (motherboard) plate board to the tip, if less than one board or several boards tip is to close the tip is not good. Generally grindstone efforts to improper or equipment accuracy is not high. Roughly in the 100 degrees incandescent light, the diamond cutting and grinding of the cufflinks are compared with counterfeit goods.
The table size is inappropriate: General requirements table for the particle size of 50% -55% too large, too small are inappropriate. Caused by the small luminosity is not enough, too much fire color is too weak. Generally because of the millstone the wrong place or the intensity resulting from the inappropriate. Flower tip: finished at the bottom of small scars, spotty, table observation holes, like, often occurs in the bottom tip part, it said the flower tip. Often because of grinding the end of the tip of the stone washing or wiping the stone improper operation caused. First of all, the jade look like good-looking, rich color. It is easy to see which cufflinks has the adamantine luster. Recorded in ancient books, "said the text", the so-called jade, is "beautiful stone".
The color of jade green, light green, dark green, gray, white, deep and soft tones, forming a unique moist and smooth color. Chinese people like a translucent white to yellowish-white "mutton fat jade - Hetian jade, white mixed with green stripe jade -" moss jade snow. Secondly, the ancient superstition that jade has the role of the anti-demon evil. Jade cups, bowls, plates and other sacrificial utensils and bracelet, Hosta, rings, cigarette holder and other decorations. Third, the toughness of jade to withstand hammer blows, this feature even diamond can not be compared. Jade color and the advantage can be carved from the different patterns of animals, plants, pavilions, pagodas and other fine crafts and decorations. This method to test the cufflinks should not be carried on in the light too dark or too light.
1935, a major earthquake hit Southern California, a small crafts shop in the Santa Barbara collection of Chinese arts and crafts fell to the ground. But make shopkeepers good news is that the most valuable jade products on the shelf top, but one not damaged.