Glauconite cold natural pigment powder
Mineral, hydrous aluminosilicate of iron, silica and potassium oxide of variable composition, belongs to the group of hydromica.
Chemical Description: Mineral
Chemical formula: (K,Na)(Fe3+,Al,Mg)₂(Si,Al)₄O₁₀(OH)₂
Alkali resistance: 5
Lime Resistance: 5
Acid resistance: 5
Suitability Acrylic, Fresco, Ceramics, Oil, Tempera, Watercolor / Gouache, Silicate binder, Cement / Plaster