VOLKONSKOITE, mineral, russian pigment

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.