Zhuji Pearl Co., Ltd. www.byzhenzhun.com Baoyi professional pearl necklace, pearl pendants, pearl rings, pearl bracelets, pearl earrings, pearl earrings, pearl jewelry, freshwater pearl wholesale, welcome to inquire order.。
by@zhenzhu.com
Address:Mountain Lake, Zhuji City, Zhejiang Industrial Park
The telephone number:0575-87689566
Phone:15215915388
Mail box:by@zhenzhu.com
Web site: www.byzhenzhu.com
Postal Code: 311800
Al:XuChengJun department
Company account: industrial and commercial bank of China
Unit name: zhuji city treasure pearl Co., LTD
Public account: 6222 0212 1101 5355 102
Name: XuChengGen
Quality specifications:
1, the web site of the AAA level for pearl of the highest level, pearl surface gloss, immaculate;
2, the web site of Assyria AA pearl, pearl surface gloss is good, have a small amount WeiXia;
3, the web site of A level of pearls, pearl luster is good, have the surface flaw, A shallow thread;
4, the web site of Assyria grade B pearl, pearl surface gloss general
Pearl of the structure and characteristics更新时间:2011.09.05 News Sources:http://www.byzhenzhu.com 宝亿珍珠有限公司 点击:
珍珠的内部构造及外表形貌特征 1、珍珠的内部构造:珍珠是由一系列的同心圆状珍珠质层组成,具有明显的圈层构造,中心常常存在一个珠核,自然珍珠的珠核普通为沙粒或小虫;养殖珍珠的珠核普通为较大的颗粒的圆形珠核和无核养殖的空泛。珍珠层包括三个局部:无定形基质层、方解石结晶层(又称棱柱层)、文石晶层(又称珍珠质层)。而无核的淡水珍珠普通只要珍珠层局部。 |
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