Item name :crystal figurine
Material :Top grade crystal
Size :By your requirement
rdness: Natural crystal hardness, with a stone in jewelry lightly zoned , for no trace ; if left streak, is fake .
(5 )Using polarized light microscopy: In the polarizing microscope, rotate 360 degrees , four out four dark change is a natural crystal jewelry , no change is false .
(6 )Using two -color check: Natural amethyst with two color , leave no dichroism .
(7 )With a magnifying glass examination: The times magnifying glass in transmitted light inspection, to find the bubble is basically as false.
(8 )With hair check: The crystal ornaments on a hair , the human eye through the crystal to see hair double shadow , was natural, mainly because of its birefringence .
(9 )Thermal conductivity detected: the thermal conductivity meter adjusted to the green 4 cell testing precious stones, natural crystals can be up to the yellow 2 cells , while the fake is not increased , when the area is large up to the yellow one compartment .