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人无能力改变大自然，却能够在车工上努力钻研，把<a href="http://www.chowsangsang.com">钻石</a>的美态发浑得淋漓尽致。 一颗切割比例恰到好处的钻石，能够把光线折射到桌面，散发出平均而耀目的光芒。<a href="http://www,chowsangsang.com">钻石</a>切割过深或过浅，会令光线折射到错误的瓣面，光线便会从钻石底部漏走，令整颗钻石暗淡下来。这就是钻石的闪亮度各有不同的原因。 净度指钻石的洁净及通透程度。钻石乃天然产物，在形成过程中不免会包含了其他大自然的物质，即内含物。


<P><FONT face=Arial color=#0000ff size=2><A 
href="http://www.chowsangsang.com/new/chi/index.htm">周生生珠宝 www.chowsangsang.com</A> | <A 
href="http://www.emphasis.com">点睛品 www.emphasis.com</A> | <A 
href="http://eshop.chowsangsang.com/">周生生网上购物店 eshop.chowsangsang.com</A> | <A 
href="http://www.338.net">周生生证券 www.338.net</A> 
| <a href="news.htm">最新消息</a> 
| <a href="jewellery.htm">珠宝知识</a> 
| <a href="diamond_clarity.htm">钻石净度</a>
| <a href="diamond_colour.htm">钻石色泽</a>
| <a href="diamond_cut.htm">钻石车工</a>
| <a href="diamond_main.htm">钻石</a>
| <a href="diamond_shape.htm">钻石形状</a>
| <a href="gold_main.htm">黄金</a>
| <a href="jade_clarity.htm">玉净度</a>
| <a href="jade_colour.htm">玉色泽</a>
| <a href="jade_cutting.htm">玉车工</a>
| <a href="jade_main.htm">玉</a>
| <a href="jade_treated_jade.htm">仿玉</a>
| <a href="pearl_main.htm">珍珠</a>
| <a href="pearl_spec.htm">珍珠</a>
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