At present, crystal lighting compared to modern lamps, European-style lamps, Chinese lamps and more by the vast number of consumers of all ages. So, in the fish market, how to distinguish the true and false crystal light good or bad it?
Crystal light is good or bad there are 4 ways to identify
(1) observation: natural crystal in the formation process, often affected by the environment always contain some impurities, facing the sun observed, you can see a touch of fine uniform stripes or catkins. The fake crystal and more use of residual crystal ballast, glass ballast melting, after polishing processing, coloring from imitation, there is no uniform stripes, cathartic material.
(2) Touch: natural crystal touch has a cold feeling, even in the hot summer, and fake crystal touch this feeling is very light or not.
(3) hardness: natural crystal hardness is relatively large, with stones gently across can be intact, fake crystal across will leave traces.
(4) check with the hair: the crystal on a hair, the human eye through the crystal to see the double shadow of the hair, then the natural crystal, mainly because of crystal with birefringence.
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