Can be used to darken transparent pigment

PBk7Pigmentdescription: Silicate of Sodium and Aluminum with Sulfur

Colour index: PBR7-PBL9

Colour index: PO 20

Guignet of Paris patented the process for manufacturing Viridian Green in 1859

yg97 spanish olive copic tegneartikler Variant:Classic Can be used to darkenA dark greenish yellow of olive surface. Darker than YG95. Copic Classic: The model with the longest history, used mainly in design and art scenes. With a total of 214 colours, it has broad tips and fine nibs that are ideal for design applications Solid traction There are two types of tips, wide tips and fine tips. Fine nibs are handy for detailed drawing, and wide nibs are characterized by being slightly larger than Copic sketches and Chao nibs.