How to choose high quality crystal stone

Choose the high quality of cryolite are very important to electrolytic aluminium industry, because only the good quality cryolite has help to the electrolytic aluminium production, poor quality of cryolite not only won't help electrolytic aluminium production, can also affect the electrolytic aluminium production.
Therefore, in the process of production, must choose high quality crystal stone to cooperate to produce.
We all know that the crystal is transparent, so it can be seen that there are many impurities in the cryolite that are of poor quality.
There is also a poor quality of the crystal, with a slightly yellow surface.
When we buy cryolite besides judgment in its appearance, also can judge according to the packing, quality of cryolite general explanation on the package are detailed, and inferior cryolite simple packaging.
Of course, these are only by the naked eye, inevitably there will be some error.

If you want to buy the safe crystal stone products, you can avoid this situation effectively by choosing big brands.