Natural pigment- Ultramarine

Ultramarine is a synthetic sodium aluminosilicate containing sodium polysulfides.

Description: 

Color: dark blue

Chemical description: sodium aluminosilicate, sodium polysulfides. Chemical formula: n(Na2O·Al2O3·mSiO2)·Na2Sx

Light resistance: 8

Alkali resistance: 5

Acid resistance: 4

Form: powder

Coverage: medium/high

Used for techniques: acrylic, tempera, watercolor, gouache, fresc, ceramic

The pigment was made by crushing and grinding. There may be insight uncrushed mineral in the package.

Pigments may contain harmful substances, so remember about safety rules.

Safety rules

- use eye and hand protection,

- cover the respiratory tract, do not eat,

- keep away from children,

- wash your eyes in case the pigment gets into your eyes