... 40mesh,60mesh,100mesh,200mesh,325mesh,500mesh,1250mesh,It is the best filling material in the decoration and coating at present. Now we have ... gray more than 10 colors. In order to keep the natural color and protect the brilliance, all the colored mica are sorted by ... sulphuric acid, meanwhile produce a kind of milky solution. The varieties of phlogopite are: alurgite, titanmica, verdite phlogopite, ...