2011年04月07日

attaining jewelry

Be used as pearl jewelry, the quality of the pearl is attaining jewelry is the most another, win election the best of from the pearl.But the pearl decoration is a common pearl.

The pearl is divided into two major types: natural pearl and farming pearl.Natural pearl is in the molluscs or clam etc. animal body,packs pearl powdernot through the secretion of artificial factor nature.The natural pearl is again divided into natural sea water pearl and natural fresh water pearl.The farming pearl is the formation thing of pearl quality inside molluscs or clam etc. animal body, the nacre presents an united at heart layer-like in shape or united at heart layer to project form structure.The chemistry of farming pearl constitutes composition with natural pearl homology.The farming pearl is divided into a sea water farming pearl and fresh water farming the pearl is 2 types, is at most what market sees.Moreover still have 1 kind as false pearl.
Discriminate the true or false method of pearl:
Can pass to see, touch, smell, bite 4 carry on in brief discriminating.

See, mainly is pass eyes observation and can project a various strange light to simply carrying on an observation the pearl.If a string of sheen of pearl unifies very much, and the color is monotonous, boring, then may for imitate bead;Yu box packsThe color of natural bead is more abundant, the sheen is soft.
Touch, mainly is pass a hand to feel, the natural bead is more pleasantly cool, feel greater hand, if our hand feels this bead son has a little Wen Gan, and again more greasy of words, then want caution counterfeit.
Smell, is will purchase of merchandise light degree heating, if appear bad smell, strange smell, be then likely to be false, the true pearl is tasteless.
Biting or rubbing is that felling or two pearls that passes a tooth are mutual to rub, the true pearl tooth bites to have puckery of felling or ability Mo pearl powder, leave of the pearl tooth bite to have a slippery felling
If the pearl price that you choose is higher, oneself can not discriminate its again true false, can arrive the quality technical director pearl in the bureau to examine a station to carry on an examination.
A, the formation of pearl:passing the rightness
The formation of pearl is divided into the formation of natural pearl,the formation of fresh water farming pearl(non-nuclear) and the formation of sea water farming pearl(have a pit) according to the category of pearl.The step of their formation distinguishes as follows:
Natural pearl:
The small foreign body invades-model-the artificial adopt to catch
Fresh water farming pearl:(non-nuclear)
Mantle-plant a pit-model-the artificial adopt to catch
Sea water farming pearl:(have a pit)
The small ball that the female hull whets-plant a pit-model-the artificial adopt to catch
Note:The mantle that taking shape the stage is a female shell is secreted by incitement pearl quality the foreign body 1 F, 1 F the package get up formation pearlpearl powder
Adopting to catch a stage to open a female shell to take out pearl in the artificial is remarkable, the female shell usually gets hurt or dies in this process.
Is the farming pearl "natural"?
-The customer pays attention to pearl of natural, nothing but proceed from the consideration of quality
-The process forming to°from the above pearl can see, natural pearl and farming pearl in addition to being at the beginning planting pit stage to have a dissimilarity, other formation processes, and grow environment is completely same
-In other words, the artificial farming pearl is just usage technique the means sped the formation process of pearl and had no to much and greatly influence to the quality of the pearl
-Moreover, because the natural pearl is too rarely seen and adopt to catch a difficulty and make to be worth of very expensive, and because of grow the environment is unsteady, the external quality usually has no farming pearl to like.
-Pearl(South Sea Pearl) in Southern Asia-"the Ba in the bead"
Be produced to the south Pacific Ocean water(namely northwest ocean in Australia, Philippines and Indonesia) a take of bead in Southern Asia, is at a kind of be called a white Die shell of conceive growth in wild clam shell.Because the white Die shell is a kind of very precious and weak of living creature, have to in stable, good and have never been subjected to gulf of the artificial pollution the growth in environment, and it is also the biggest bead clam in the world, the its Pei Zhi comes out of the shape of bead in Southern Asia also produce than other places of the pearl is big.Therefore, the value in Southern Asia is also more expensive.
The value of bead in Southern Asia is to evaluate with the its size, color, shape and sheen and clean degree.In the middle with again greatly again circle the pink bead that enough rob an eye again most is precious, such as big go to 18-20 millimeters of, very rare then.But shape, the shape of bead in Southern Asia is a lot of and have circular, oval, wreath form, knob form, as well have irregular shape, shape the circle is rare more more.
Ground pearl(Tahitian Pearl) in Ta-hsi-"pearl empress"
The ground pearl in Ta-hsi differs from the Japanese pearl and bead in Southern Asia, it may be said unusually precious.Because the pearl is come out by a kind of precious black disc clam(a kind of limit is grown to rare clam of natural and free from pollution Bo benefit Ni west second water) farming, in the gray of different degree, it takes the Huan colourful color of having the dissimilarity, as a result make pearl more with don't be different.Plusing its farming environment, and adopting the request of bead process is very careful, every 100 get Zhi bead of black disc clam, only 50 can successful Pei Zhi pearl, in the middle more only 5 are flawless, consequently each pearl is all precious and matchless.
Want to make the pearl jewelry kept brilliance to be moving, can make reference to a following item:
1.In order to make sheen and color of pearl uninfluenced, should avoid letting pearl to get in touch with acidity material and chemicals, such as perfume, soap and already set water.
2.Don't wear to wear pearl to cook a food, can invade inside the pearl body through the tiny pore of pearl surface because of the fume and the soot, make it become Huang.
3.Wear to wear a pearl empress(particularly in summer), the beard puts on the pearl clean to just put back jewel box.Had better put on with the sheepskin, absolutely not to use noodles paper, attach to rub because of some noodles papers, will wear away bead skin.
4.Absolutely not to clean a bead chain by water.Because water can get into the eyelet of bead, may make pearl in ferment, Recognize the truethe on-line may also turn into green.If wear much sweat, can use a soft wet towel, carefully wipe clean, just put back jewel box after blowing stem.
5.Because the pearl contains certain water, should put the pearl in the shadow, as far as possible avoid in the sun and directly projecting light upon, or Be placed to a too dry place, the in order to prevent pearl dehydrates.
6.The in order to prevent other jewelry scoring pearl skin layer to deposit pearl jewelry alone.
7.Don't hang up a bead chain over a long period of time, time is long the silk thread will transform.



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