Brown Pigments
Clay earth pigments (naturally formed iron oxides)
- Raw Umber (PBr7): a natural clay pigment consisting of iron oxide, manganese oxide and aluminum oxide: Fe2O3 + MnO2 + nH2O + Si + AlO3. When calcined (heated) it is referred to as Burnt Umber and has more intense colors.
- Raw Sienna (PBr7): a naturally occurring yellow-brown pigment from limonite clay. Used in art since prehistoric times.
Read more about this topic: List Of Inorganic Pigments
Famous quotes containing the word brown:
“Blown hair is sweet, brown hair over the mouth blown,
Lilac and brown hair;”
—T.S. (Thomas Stearns)