Additional heating, or firing of the natural earth pigment creates the darker variation of a classic Sienna earth color.
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: N/A
Gloss Average: N/A
Viscosity Range: 75-100 CPS
CIE L*a*b* Values: N/A
Tint Strength: N/A