One of the most versatile blacks we'veencountered. When used straight, it is verymuch like a traditional Cassell Earth or VanDyke Brown, but when white is added it coolsdown and becomes bluish - almost moonstonelike.Dries with a soft matte surface.Series: 2 CI Number: NA CI Name: PBk 11 Pigment Name: Natural Black Iron Oxide Lightfastness: ASTM I - Excellent Opacity: Opaque Grind: Medium