Glauconite burnt

Glauconite burnt natural pigment powder

Chemical description: Mineral, hydrous aluminosilicate of iron, silica and potassium oxide of variable composition, belongs to the group of hydromica. Heat treated glauconite.

Chemical formula: (K,Na)(Fe3+,Al,Mg)₂(Si,Al)₄O₁₀(OH)₂

Light-resistance: 8

Alkali resistance: 5

Lime Resistance: 5

Acid resistance: 5

Color Index: PG23

Glazing

Suitability Acrylic, Acrylic, Fresco, Ceramics, Oil, Tempera, Watercolor / Gouache, Cement / Plaster

Color yellowish brown with a greenish tint