The novice at at painting with mineral colors will probably be confused with the many technical designations applied to them, irrespective of their usual names as colors.
They are catalogued as "vitrifiable," "over glaze, "under-glaze," "matt," "enamels," "raised paste," "grounding," "glass colors," etc. while the naming of the colors is merely arbitrary with the individual manufacturer, the above classification is general, and has a real significance.
All mineral colors are vitrifiable when prepared for china-painting, because they fuse at a certain temperature to the glaze and body of the ware.
Without some knowledge of the construction of a piece of porcelain (or china --they are synonymous), and a distinct idea, theoretically if not practically, of the application of both the over-glaze
