Additional heating, or firing of the natural earth pigment creates the darker variation of a classic Sienna earth color. (Series 1)
Pigment Classification: Inorganic
Color Index Name: PBr7
Color Index Number: 77491
Chemical Description: Calcined Natural Iron Oxide
Opacity/Transparency: Semi-Opaque
Lightfastness Rating: 1
Permanency: Excellent
Munsell Notation Listing: Hue 3.0 Y Value 3.2 Chroma 4
Gloss Average: 13.63
Viscosity Range: 750-1000 CPS
CIE L*a*b* Values: L*33.67 a*16.86 b*12.58
Tint Strength: 80.56
Color Index Name: PBr7
Color Index Number: 77491
Chemical Description: Calcined Natural Iron Oxide
Opacity/Transparency: Semi-Opaque
Lightfastness Rating: 1
Permanency: Excellent
Munsell Notation Listing: Hue 3.0 Y Value 3.2 Chroma 4
Gloss Average: 13.63
Viscosity Range: 750-1000 CPS
CIE L*a*b* Values: L*33.67 a*16.86 b*12.58
Tint Strength: 80.56