dark ultramarine blue pigment

the dark ultramarine blue pigment is a polysulfurized sodium aluminosilicate, an imitation of lapis lazuli, which gives a slightly purplish navy blue color. Equivalent to majorelle blue or guimet blue (its creator) or klein blue. It can be used in all techniques and all binders, however with lime or cement the paint or the plaster must be used during the day. On the other hand, mixed with water, it is a little electric and will need a drop of 95 ° household alcohol and liquid black soap to mix well. It is also the color used by the visual artist Yves Klein, which he will mix with a vinyl binder to create his material effects. Made in england