Iron Oxide Black is an opaque black with high tinting strength which can be used in a variety of watercolour applications.

Artist Notes: The most opaque black we offer, Iron Oxide Black is ideal for applications that require good coverage. Its high tinting strength means it can easily overwhelm other colours, so use caution when adding it to mixtures.

Paint Maker’s Notes: Developed in the 20th century, Mars pigments are incredibly durable and opaque colours that are useful in a variety of different mediums.

Transparency: Opaque

Staining: Semi-Staining

Granularity: Semi-Granular

Pigment Number: PBk 11

Pigment Type: Synthetic Inorganic

Pigment Composition: Iron oxide

Lightfastness: Not Rated

Toxicity: Non Toxic

Available in the following Stoneground palettes: