A feldspar that has the right chemistry to support the kaolin mineral balance for creating the right Ultra Marine Blue pigment colour tone. Key Applications Ultramarine Blue
Feldspar
There are several types of feldspars: most deposits offer sodium feldspar, potassium feldspar and mixed feldspars. Properties Feldspars are aluminosilicates. Their fusibility and purity make them a useful raw material with many industrial applications. The geological context specific to each