The black pearl accessories have received people's welcome, below we simple introduction. This kind of pearl in fact is a dark color series important variety, the pure coloration sees not much the high quality pearl, provides the writing according to Beijing high prosperous pearl room appraisal. When the fable, drop of dewdrop falls in the sea, if happen to is opened by one mouth the seashell to meet, may form a crystal. If the weather is not good, reflects however the pessimistic sky dewdrop to form is a black pearl, this spreads in the 15th century until now. Although it has not been able to explain the pearl origin, actually explained that the people from know the pearl, treats as the black pearl a special variety to regard.

The high quality black pearl body color, by the malachite green and the steel grey primarily, the black pearl was after the 70s, was popular, before the people obtained only then the very rare natural black pearl, were extremely few because of the output has not made a name. in 1965 the Japanese cultured pearl expert succeeded in Australia has developed the black butterfly shell cultured pearl technology, bred color from green to black pearl. Has realized the commercial character production. But, the black butterfly shell breeds the pearl not is a black pearl, achieved the valuable stone step's black pearl to be less.

Black pearl color origin: One kind of theory thought that is the earl oyster lives to the sea water in includes the specific mineral substance and the micro black element creates like the iron, the titanium, the vanadium, the manganese; Another kind of theory is the pearl surface layer shell keratin stone content is high, namely the organic matter ingredient charcoal ingredient is high. Is the crack pearl creates richly compared to other colors, but the black pearl forms in any event with the lack of oxygen has nothing to do with, it belongs to under the special environment to form. The more accessories knowledge please click:www.bjbeade.com