Manganese Black, or Manganese Dioxide. A black pigment which is capable of drying quickly but do use care as it contains manganese. Has a toxicity of "B", so this is a pigment with some toxicity. This is not commonly found as a single-pigment paint, however it is a component of a lot of earth tones, such as umbers, and is sometimes mixed into Mars Black, or found in Black Iron Oxides.
Contains Manganese, so see the Artist's Guide to Health and Safety for information about the hazards. The author's updated work can be found through her site.
Tends to be a fast drier.
