Diamonds. Wednesday , January 11th , 2017 - 03:00:17 AM
Fluorescence: It creates a major coloring effect, positive or negative, in presence of light. Virtually all exhibit this property in the presence of X-rays or UV rays. This characteristic also helps in identification of diamonds. Fluorescence if strong, may alter the perceived color of the given diamond positively or negatively. Hence, the gemstone which has no effect with fluorescence is rated higher.
The Kimberley Process (KP) defines 'conflict diamonds' as "rough diamonds used by rebel movements to finance wars against legitimate governments." For the conscientious buyer, it is of great significance that only conflict-free diamonds are considered for purchase.
Another source for diamond formation is the materials with organic carbon (from the Earth's surface) that move into the Earth's mantle, due to subduction.
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