Art Spectrum® Dry Ground Pigment Burnt Umber Medium Of Cyprus.
Genuine Burnt Umber Medium of Cyprus is a calcined natural earth coloured by iron and manganese oxides.
Umbers with a high tinting strength contain a high content of iron and manganese oxides.
Cyprus umbers are some of the finest in the world as they contain higher percentages of manganese oxide compared to other deposits. A soft brown calcined mineral earth.
ASTM Approved Permanent Colours American Society for Testing and Materials, conforming to standard D4302-90.