Diamond in the strong will be issued under ultraviolet light blue light or yellow light, etc have colored light intensity, this kind of phenomenon called fluorescence phenomenon, since have weak, so there will be graded, diamond fluorescence level? What are those? Fluorescence level classification? How
Showing posts with label diamond. Show all posts
Showing posts with label diamond. Show all posts
Sunday, June 19, 2011
Wednesday, May 18, 2011
the world diamond group ray pie potter during march this year
According to understand, from January, international diamond purchase price has even rose four times, nearly 30 percent cumulative growth; Since march, 1 to 3 carat naked drill is become market "JinQiaoHuo".
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