ie | 等级 大侠
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注册 05-12-29 16:22
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发表 2007-05-07 22:49:21 人气:88 
谢谢二位详细解答,由于对硬度概念模糊,常用玻璃,水晶,硬玉,玛恼,刚尺,碧玺互划...
为王者竟是tungstenlink 的戒指,就是以下这个..是碳化钨吗?
http://kr.ysp.shopping.yahoo.com/ysp/shinsegae/?http://mall.shinsegae.com/public/front/product.asp?displayID=262154&productID=2121296&ckwhere=yahoo_omi
但他却划不动上边二个(刚玉)?合成刚玉与天然刚玉的硬度一样吗?
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棕红橙黄绿蓝紫灰白 |
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