I love gem stones, but am having trouble with jade. For diamnod and other colored gem stones like emerald, sapphire and ruby, there is 4 C's you can measure. How do you evalutae jade? Some of the jade pieces are priced at millions, and yet there is no way to tell why it is so precious.
How do you judge the value of jade?
所有跟帖:
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所有有色宝石价格都是经验的积累。我差不多积累了30年。
-等水沏茶-
♂
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01/07/2013 postreply
09:14:49