Glassy Copper Sand

Numeric amounts are preserved as source-stated weights or additions; they are not normalized. Test on tiles; use appropriate ventilation and PPE, avoid inhaling dust, review raw-material safety information, and verify functional or food-contact suitability with fired-glaze testing.

Ingredients

Material%
Gerstley Borate54.85232067510548
Nepheline Syenite13.502109704641349
Silica12.658227848101266
Copper Carbonate12.658227848101266
Red Iron Oxide4.219409282700422
Cobalt Carbonate2.109704641350211