Violet Oxide Pigment Classification: Synthetic Inorganic Chemical Description: Synthetic Iron Oxide Opacity/Transparency: 1 Lightfastness Rating: I Permanency: Excellent Colour Index Name: PR 101 Colour Index Number: 77015 Munsell Notation Listing: Hue: 0.5 YR Value: 2.75 Chroma: 5.5 Pantone Matching System: 491 Spectrophotometer Readings: N/A Viscosity Range: 23000-27000 CPS PH Range: 8.3-9.0 Gloss Average: 65.90 CIE L*a*b* Values: L*32.13 a*17.48 b*8.24 Tint Strength: 77.03