Cat eye's arc peak

One of the earliest cultures to begin making jewellery in Asia were the Chinese around 5,000 years ago. Chinese jewellery designs were very religion-oriented and contained Buddhist symbols, a tradition which continues to this day.

Cat eye appraisal the recent years, in the market had one kind of glass fiber cat eye to abstain the surface sale, inlaid on the gold or the silver ring, caused the person genuine and fake not to distinguish. Its distinction method is, when rotates abstains the surface,jewellery manufacturers the false cat eye's arc peak may simultaneously present several bands of light, but the real cat eye has one.

The false cat eye informer is stereotypical, but real cat eye informer Zhang He is nimble. Real cat eye color mostly for brown yellow or pale-green, the false cat eye color is diverse, has red, blue, green isochromatic. the chrysoberyl is degree of hardness is only inferior to the diamond, the safflower valuable gem. The chrysoberyl and the variety change the stone and the cat's eye stone, not only these three kind of gems are beautiful, moreover, because extremely rare, therefore the price is also very soaring. After the chrysoberyl interior includes the developed vacuum shape content chrysoberyl to serve with Kabo abdicates cutting, presents the colored change effect is the cat's eye stone.

The Chinese used silver in their jewellery more often than gold and decorated it with their favourite colour, blue. Blue kingfisher feathers were tied onto early Chinese jewellery and later, blue gems and glass were incorporated into designs.tahitian pearl However, jade was preferred over any other stone and was fashioned using diamonds. The Chinese revered jade because of the human-like qualities they assigned to it, such as its hardness, durability, and beauty.

The first jade pieces were very simple, but as time progressed, more complex designs evolved. Jade rings from between the 4th and 7th centuries BC show evidence of having been worked with a compound milling machine, hundreds of years before the first mention of such equipment in the west.

Ou Bo appraisal Ou Bo acts according to its color to be possible to divide into black Ou Bo, Bai Oubo, Huang Oubo and so on,golden south sea pearl anchors the price by black Europe to be highest. In order to make price low Bai Huo Huang Oubo to enhance the scale, some people use the artificial method to cause its color deterioration, becomes “black Europe to anchor”, seeks the usury.

Its main method is boils or pours into the plastic with the sugar, causes Bai Oubo the nigrescence. The recognition method is,freshwater pearl boils or injection molding Ou after the sugar Bo the proportion obvious different, tests in the water, its proportion value changes light. After also the available heating's needle test casts Europe to anchor, natural Ou Bore the needle cannot grip, casts Europe to anchor can grip, after and will produce the plastic yang smell.