Natural pigment- Amphibolite

Metamorphic rock, the main constituent of which is hornblende

Description: 

Color: bottle green

Chemical description: Metamorphic rock, the main constituent of which is hornblende. Chemical formula: NaCa₂(Ma,Fe)₄(Al, Fe)(OH, F)₂(Al₂Si₆O₂₂)

Light resistance: 8

Alkali resistance: 5

Lime Resistance: 5

Acid resistance: 5

Form: powder

Coverage: medium

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

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