Search and buy online from local businesses across Ireland
The most powerful colouring oxide, producing a deep blue/blue-black colour in lead and leadless glazes and a vivid blue in alkaline glazes. The presence of magnesium gives it a purple col...
Poisonous. A secondary flux in stone ware and porcelain glazes used generally to produce vellum matt glaze surface Small quantities (up to 2.5%) are used in some clay bodies to prevent ...