Cone 5 glazes. Moroccan Sand Glazes are prepared in liquid form for brushing application and in dry form for spraying and dipping. Laguna offers offer a broad selection of gloss, mottled and matte finishes in warm stoneware colors. May be fired in oxidation (gas or electric kilns) or reduction (gas kilns only). These Moroccan Sand glazes are lead free and safe for use on food and beverage containers when properly fired.