3Gloss Average: 9

Color: Red Iron Oxide

Polysulfide of Sodium-Alumino-Silicate

Colour name: Scheveningen Purple Brown

Pigment Classification: MixtureColor Index Name: PB29 / PBk7Color Index Number: 77007 / 77266Chemical Description: Polysulfide of Sodium-Alumino-Silicate / Nearly Pure Amorphous CarbonOpacity/Transparency: Semi-OpaqueLightfastness Rating: 1Permanency: ExcellentMunsell Notation Listing: Hue 4

naphthol crimson vallejo akrylmaling Brown Ochre Deep 3Gloss Average: 9Colour: Naphthol CrimsonPermanence: BOpacity: Semi transparentPigment: PR5Pigmentdescription: Naphthol ITRASTMRating Ligthfastness: IIPigmentclassification: Synthetic organicColorIndex Number: 12490Viscosityrange (mPa. s): 800 1. 500 Colour IndexThe pigments used for artists' colours are inorganic as well as organic. The inorganic pigments have been used since antiquity; most of them are extracted from minerals and soil, such as natural earth colours,