After the Crystal infiltration activity of parent material is painted and dried, white matter appears. Is this the appearance of alkali or something?

[Ramon Doria]

After the Crystal infiltration activity of the parent material is painted and dried, white matter appears. Is this the appearance of alkali or something? This is very common now; how to deal with this situation? How can the product be improved?

 

[Luis]

How long did it take to find out?
If it precipitates out quickly, it may be salt. There are many fake materials with salt added. I have encountered it twice.
Generally, the Crystal infiltration cannot be seen. It can only be seen using a massive proportion, but it could be more evident.

 

[Ankur]

Is it a crystalline product?