Series: 4CI Number: NACI Name: PG23Pigment Name: Natural Ferrous Silicate containing Magnesium and Aluminum Potassium SilicatesLightfastness: ASTM I - ExcellentOpacity: TransparentGrind: Medium

Think of Cerulean Blue as a cleaner

Colour number: 253

this colour is a versatile medium to dark green

Colour name: Manganese Blue Extra

polychromos farveblyant 230 cold grey 1 Yellow Ochre Burnt Series: 4CI Number: NACI Name:Polychromos colour pencils are professional artist quality Unsurpassed pigments and lightfastness Waterproof oil pastel pencils in soft, intense colours Shatterproof due to special gluing(en) Available in individual pencils or in different assorted sets Wood from certified and sustainable forestry Environmentally friendly and water based varnish Wide 3. 8 mm pencil.