2012年8月30日星期四

How to buy a pearl?

In the choose and buy should pay attention to the following several key pearl: size, shape, color, luster and appropriate? Surface has no obvious flaws, color, whether Hikaruzawa looks like from the inside of the Pearl emerge. Color: color distinction. Light colors: pink, white, cream color, light color; the best reflected light pink. 
Black : black, dark green, blue, purple. The Black Pearl with a green light reflected the best quality. In addition to the color peach, golden yellow, except such as. Gloss: and pearl layer density has the very big relations, close texture than can emit bright and moving. And the texture of the compact or not, depends on the water temperature, the lower the water temperature, slower growth rate, more dense texture; high temperature, growth rate, texture is loose, Hikaruzawa is slightly inferior to a point. 
For Japanese pearl beads and Southeast Asia as an example, the water temperature low, pearl layer each year is about 1.5mm long, Nanyang beads in warmer climates, bead layer growing annually by nearly 3.0mm. Pearl layer thickness; pearl layer is thicker than the skin, light is better, if the will not go into scrapes central tuberculosis. The bead layer about the thickness of about 4.5mm-5mm. 
Shape: round bead has always been the most popular, but in recent years the pear-shaped pearls have also become more and more popular, but often also the deformation beads designer's ingenuity and become beautiful jewelry. Blemish: taking into account the size of the defect, location, and clear or not, whether directly affects its value. Work : the primary consideration in the Pearl matches with the material and Pearl fit. Carefully, hole size is one of the factors affecting the price.



Pearl powder Identification

www.epinaccessories.com
High-quality pure pearl powder
The raw materials for high-quality fresh water pearls, selected cleaning, production, and pharmaceutical quality standards inspection.

 Material: powder white uniform color, free of impurities.

 Touch: touch, smooth to the touch, smooth, easily adsorbed on the skin.

 Odor: smell like a faint smell, but no other smell.

Fake pearl powder
Fake pearl powder is generally alkaline and lime, the clam shell heat, then remove the black of the surface by crushing, screening, packaging made??.

 Picks up a small amount of powder material: with your fingers, expand in the careful observation of the sun or light, you can find the obvious flash, which is mica. Color: obviously white in pure pearl powder.

 This fake pearl powder against hydrolysis of animal protein powder, long-term use, the mica bonded in the stomach.

Low-grade pearl powder
Texture: This powder is the main raw material for processing pearl jewelry drilling drill down powder, mixed with talcum powder is made.

 Color: yellow, which is mainly caused by drilling high-temperature heat.

 Odor: taking taste burning smell or odor.

 Black needle rotation by heating the drill holes in the pearl, the black needle debris fell on the powder, containing a large number of metal body, long-term use lead to chronic poisoning. Therefore, consumers in the purchase of pearl powder, be sure to go to a regular pharmacy, medicine supermarket, look for well-known brands, must not Tanxiaoshida deceived.