ecology namely likewise the go of a anxious moment. A small macadam drilling above the mejillon she

Nature's gift - pearl
even in the depths of the sea, ecology is also the work of a anxious moment. A small macadam drilling on the mejillon shells, the mejillon secretion in mandate to defend themselves and phoned nacre floor of the material will be mantled in a layer of gravel. so a few years afterward the precious pearl is formed.
Treasure of pearl has been regarded as a treasure, not merely tin but also do a great many precious jewelry medical value. In archaic times due to technological level of restrictions, people can not make a technological explanation as the formation of pearls,did no show signs of a mini crop,beijing massage, pearl formed a lot approximately the ancient myths and legends. The legbring an end to ... the globe have such a fable Pearl Harbour After drifting to the surface of the shell to preoccupy the rain came down from paradise and bred; According to ancient Hindu fable of pearl oysters, with the resulting emergence of oyster shells to open when the shell landed in the rain, and presently became pearl; in Japan have roughly the same controversy; and our people have, ; and other statements.
As technology advances and deepens the understanding of the person world, not only to know the modern principles of pearl formation, but also invented the synthetic cultured pearls. Now, we penetrate the most lovely pearls are not natural Pearl, but after the formation of artificial propagating.
Each pearl have to be based on their size, shape, color, luster, texture and other factors in valuation. in the selection and buy of pearl productions, but also to scrupulous and careful when.
1. pearls and imitation pearls identification: the imitation pearls are in shape and shiny favor on a real pearl, which is in fact plastic, glass, shells made of coated pellet round ;. with 2 pearls gently rub, whether smooth feel, for the imitation pearls, if a rough sense of friction, for the pearls.
2. Natural pearls and cultured pearls identification: natural pearls generally small size, luster muscular, nice texture, homogeneous structure,shanghai massage, pearl thick, often has dignified the translucent, uneven in shape. cultured pearls head larger, better transparency. The best is to use X-ray identification.
3. whether it is Natural pearls or cultured pearls, the culling of the principles are the same, chiefly from the emulating appearances to consider:
Luster: Luster, the brighter the stronger the better, and to even. pearlescent shine and shiny as the top grade. honour is to appraise the value of the 1st factor of pearls.
shape: the shape to the rules, water beads to circular the top grade. of way, the drop-shaped, oval, etc..
color: the color of a diversity of pearls, dark pearls very rare, so is the pearl in the treasure. Another rose, roseate, golden pearls are very rare species, the maximum prevalent is white, white pearl.
Texture: refers to the architecture and surface specifics of the pearl. point defects are not rare pearl. If the pearl surface with some scratches, pits, dirty clay, etc. will affect the amount of pearls. good pearl ought be quite flat surface, color to be uniform.
Size: Pearl extra great as feasible, comparative to normal pearls cultured pearls, the generally smaller. in other ways under the same conditions, the size is the deciding element.
jewelry is calcium carbonate combination, and therefore the maintenance of pearls is particularly momentous when there is dirty pollution when the water with a neat cloth lightly moistened wipe, do not put sun exposure, no apt dress the summer apt discourage the mordant in sweat dyed pearls.