Chalcedony The so-called topaz simply refers to a kind of chalcedony embodied in yellow as the main hue, today I will introduce to you the professional content related to topaz, I hope to bring you a certain reference. 
Is topaz all blue?
In fact, no, from a general point of view, the color of each kind of chalcedony is actually caused by some chemical components contained inside, for example, the reason why topaz chalcedony will show a yellow color, mainly because it contains a large number of ferric iron ions, so it will show the color of ferric ions - yellow. To put it bluntly, natural topaz chalcedony will show a yellow color because of the presence of iron ions, but at the same time, there are some topaz chalcedony on the market, which are fake chalcedony made artificially through dyeing process, ** compared to real chalcedony, it will be much lower.
How to distinguish the authenticity of topaz chalcedony?
It can be grasped from the following two aspects:
1.Look at its color, if it is a real topaz or natural topaz, it will not only show a yellow color, but also a little red, and will not show pure yellow, especially chanterelle yellow, which is very rare, as long as its color is pure yellow, it is basically made of acquired dyeing.
2.You can see its color, the essence of topaz is a kind of hidden quartz rock containing water, its appearance is very crystal clear, and there is a layer of light luster on the surface of jade, giving people a very beautiful feeling, if it is fake, it is created by dyeing process in the later stage, then it will look like a relatively dull feeling.
Through the sharing of the above part of the content, everyone also understands that topaz chalcedony is naturally generated, and there are also counterfeited in the later stage, not all of which are dyed, and it is necessary to combine the above judgment criteria to grasp it, in order to know whether this piece of topaz chalcedony is real or fake, if it is an acquired topaz dye, but the other party is open, then don't buy it.