A variety of clay containing alkalies gives up water at 360oC and 600oC on heating and at the same time preserves its micaceous habit. Muskovite is completely destroyed at 1100oC to 1200oC. Montmorrillinite does not change essentially in properties below 600oC. Later it loses its water of crystallization and undergoes conversion at 800oC to 850oC.
After […]