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Watercolor / Gouache
Chemical description: Mineral
Suitability: Acrylic
Color: magenta
Chrysocolla green natural pigment powder
Vivianite blue First class Weight:25g Watercolor / GouacheVivianite First class "blue earth", "blue iron bog ore" natural pigment powder Vivianite First class differs from other types in its deep and intense blue color. This color is achieved through manual sorting of raw materials (stones), and 3 stage cleaning, which also includes a flotation process. Chemical description: Iron phosphate . The mineral is amorphous. Chemical formula: Fe (PO) 8HO Alkali resistance: 3 Lime Resistance: 3 Acid resistance: 1