Sandstone Manufacturing Process

Process of manufacturing potash feldspar.11.27 feldspar processing - epa.Gov.11.27 feldspar processing 11.27.1 general1 feldspar consists essentially of aluminum silicates combined with varying percentages of potassium, sodium, and calcium, and it is the most abundant mineral of the igneous rocks.The two types of feldspar are soda feldspar.