Stain 6300 Mazerine Blue 100 GmsStain 6300 Mazerine Blue Cobalt Zinc Silicate Blue Phenacite, an inorganic pigment, is a reaction product of high temperature calcination in which Cobalt (II) Oxide, Zinc (II) Oxide, and Silicon (IV) Oxide in varying amounts are homogeneously and ionically interdiffused to form a crystalline matrix of phenacite Its composition may include B203 as a modifier. Can be used to color clay bodies, slips, or glazes. They can be mixed with water or with frits