How to distinguish true and false crystal lamps

According to an investigation, crystal lighting is favored by consumers in comparison with modern lamps, European lamps, and Chinese lamps. So, in the fish market, how can we tell if the crystal lamp is good or bad?

According to market sales personnel, there are four kinds of identification methods for crystal lamps. (1) Observation: In the formation process of natural crystals, it is always influenced by the environment and contains some impurities. When you observe the sun, you can see a faint evenness and smallness. Bars or catkins. The fake crystals are mostly made of crystallized glass crucibles and glass crucibles that have been smelted by grinding and coloring. There are no uniform stripes or catkins.

(2) Tactile sensation: Natural crystal touch has a cool feeling, even in the hot summer, and false crystal touches this feeling is very light or not.

(3) Hardness: The hardness of the natural crystal is relatively large, and it can be perfectly worn with the stones, and the false crystal will leave traces.

(4) Check with the hair: The crystal is placed on a hair. If the human eye sees the double shadow of the hair through the crystal, it is a natural crystal, mainly because the crystal has birefringence.