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A metamorphic rock, the main component is hornblende. Color is similar to mica.
Description:
Color: dark green
Chemical description: hornblende. Chemical formula: NACA 2 (MA, Fe) 4 (Al, Fe) (OH, F) 2 (Al 2 Si 6 O 22 )
Light resistance: 8
Alkali resistance: 5
Acid resistance:5
Form: powder
Coverage: 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