17Tint Strength: 61

which allows it to be shaped like a "stick"

Pigment Classification: Synthetic InorganicColor Index Name: PY42Color Index Number: 77492Chemical Description: Synthetic Hydrated Iron OxideOpacity/Transparency: TransparentLightfastness Rating: 1Permanency: ExcellentMunsell Notation Listing: Hue 8

Color: Ivory Black

but the process is

sennelier pure pigments chromium oxide green Indigo light 17Tint Strength: 61At the end of the 19th century, when Sennelier was developing oil paints for his customers, who included great artists such as Czanne, Gauguin and Picasso, Gustave Sennelier realised that there was a need to produce some paint that contained the highest quality pigments. In trying to produce the best colours, Gustave noted that the original pigments came from selected traditional sources, while identifying the specific chemical composition of each