Pigment Classification: Synthetic InorganicColor Index Name: PB36Color Index Number: ---Chemical Description: Cobalt Chromate SpinelOpacity/Transparency: Semi-OpaqueLightfastness Rating: 1Permanency: ExcellentMunsell Notation Listing: Hue 1

1Gloss Average: 43

8Gloss Average: 67

it also creates a verdigris effect when used as a wash

golden heavy body burnt sienna Plein Air Pigment Classification: Synthetic InorganicColor IndexAdditional heating, or firing of the natural earth pigment creates the darker variation of a classic Sienna earth color. (Series1) Pigment Classification: Natural InorganicColor Index Name: PBr7Color Index Number: 77491Chemical Description: Calcined Natural Iron OxideOpacity Transparency: OpaqueLightfastness Rating: 1Permanency: ExcellentMunsell Notation Listing: Hue 3. 0 Y Value 3. 2 Chroma 4Gloss Average: 13. 63Viscosity Range: 20000 23000 CPSCIE