VIVIANITE BLUE, Russian pigment

Vivianite – "blue earth", "blue iron swamp ore". It may turn gray if exposed to the sun for a long time.

•Chemical description: Iron phosphate. The mineral is amorphous.

•Chemical formula: Fe²⁺₃(PO₄) ₂·8H₂O

•Alkali resistance:3

•Resistance to limescale: 3

•Acid resistance:1

• Lightfastness – 5.5-6


•Suitable for Acrylic, Oil, Tempera, Watercolour/Gouache

•Dark blue color


•High covering power.