A rare chromium mineral from the kaolinite group. Maintains color for centuries.
•Chemical description: Mineral. After drying, it forms a film that is resistant to external influences.
•Chemical formula: Ca₀. ₃(Cr,Mg,Fe)₂((Si,Al)₄O₁₀)(OH)₂ * 4H₂O
• Lightfastness – 8
•Alkali resistance:5
•Resistance to limescale:5
•Resistance to acids:5
•Color Index PG23
•Suitable for Acrylic, Fresco, Ceramic, Oil, Tempera, Watercolour/Gouache
•Dark grass green colour
•High covering power.