Phthalo Blue (Red Shade) richeson or firing of the natural

or firing of the natural earth pigment creates the darker variation of a classic Sienna earth color

Color Index Number: 12764

Color Index Name: PW6 / PY184 / PO73

With both internal and surface sizing

Pigment Name: Cobalt Phosphate

Phthalo Blue (Red Shade) richeson or firing of the naturalThe reddish variation on this very powerful tinting versatile blue. When used thickly it is dark and opaque, but phthalo makes beautiful transparent glazes. (Series 4) Pigment Classification: Organic Color Index Name: PB15: 0 Color Index Number: 74160 Chemical Description: Copper Phthalocyanine Opacity Transparency: Transparent Lightfastness Rating: 1 Permanency: Excellent