BLACK: made of iron oxides, carbon, or logwood. ”Natural black pigment is made from magnetite crystals, powdered jet, wustite, bone black,and amorphous carbon from combustion (soot). Black pigment is commonly made into India ink. Logwood is a heartwood extract from Haematoxylon campechisnum, found in Central America and the West Indies.”
BROWNS, FLESHTONES: made of ochre. ”Ochre is composed of iron (ferric) oxides mixed with clay. Raw ochre is yellowish. When dehydrated through heating, ochre changes to a reddish color.”
RED: made of cinnabar, cadmium red, iron oxide, or napthol. ”Iron o ...
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