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有关珍珠的传闻,就象珍珠本身那样光耀动人。我国古代劳动人民曾一度把珍珠神化为“神女的眼泪”、“日月的菁华”,给光亮闪耀的珍珠蒙上了一层神秘的色彩。远在九百多年前的宋代,我们的祖先便开始了淡水育珠,到明代已培育出稀世之宝“佛像珍珠”。可见我国养殖珍珠的历史源远流长。珍珠既可天然形成,也可人工养殖。按珍珠产出的水域分为淡水珍珠和海水珍珠。它的主要成分是碳酸钙,由蚌的外套膜作用而形成。外套膜分左右两片,是隔开蚌的内脏和蚌壳的一种保护器官,主要由内外表皮和结缔组织组成,其中外表皮细胞
Rumors about the pearl, as pearl itself, as glittering and touching. The ancient working people in our country once turned the pearl deification into “the tears of the goddess,” “the essence of the sun and the moon,” and cast a mysterious color to the sparkling pearls. As early as 900 years ago in the Song Dynasty, our ancestors began the freshwater beads, to the Ming Dynasty has bred a rare treasure, “Buddha pearl.” We can see that the history of cultured pearl has a long history. Pearl can be formed naturally, but also artificial breeding. The water produced by pearl is divided into freshwater pearl and seawater pearl. Its main ingredient is calcium carbonate, formed by the muslin coat. Coat membrane points about two, is separated from the clam viscera and clam shells as a protective organ, mainly by the inner and outer epidermis and connective tissue, in which the outer epidermal cells