Simple distinction between the diamond and the zircon

The development of fraud, so that fake disaster. Of course, the diamond could not escape Katrina. Not only false, but false technology also very high. Xiaobian teach everybody how to distinguish between the following diamond and zircon.
First, observe from the table down to the pavilion (the other end with tip) zircon can see the phenomenon of double film (non-homogeneous body, with two of the refractive index, meaning that after the natural light into the zircon decomposed into two kinds of communication different direction of polarized light) diamond is a homogeneous body, not to see double-impact phenomenon
Second, the diamond is the hardest known material, diamond can only characterize the diamond, its hardness is 10
Zircon corundum hardness is 8 (red, sapphire) is 9, therefore, can characterize the diamond corundum; not characterize zircon corundum corundum can not characterize the diamond; can characterize zircon corundum
Finally, the diamond weight (one cubic centimeter of the weight and the weight of one cubic centimeter of water ratio) 3.52, zircon proportion of 4.2, meaning that the same volume of two precious stones, zircon is a heavy, light, diamonds diamond diamond.yifei8.net
Xiao Bian here to remind you that people are smarter now, cut zircon does not occur when the birefringence with the optical axis for the table, therefore, some of zircon observed from the table down the pavilion will not see the two-film phenomenon But from another point can be seen from the side or double-video phenomenon, therefore, it is best observed from several different directions.

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