A cooler, bluer version of the Italian Terra Verte. It lends itself to a landscape palette but more importantly, due to its transparent nature is very useful in imparting subtle tones to a portrait palette.Series: 4 CI Number: NA CI Name: PG23 Pigment Name: Natural Ferrous Silicate containing Magnesium and Aluminum Potassium Silicates Lightfastness: ASTM I - Excellent Opacity: Transparent Grind: Medium