Commercial ochre pigments (Kremer Pigments). From left to right: light

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Color Pigments & Nature

pigments UCL The Pigment Timeline Project

Commercial ochre pigments (Kremer Pigments). From left to right

Georgios P. MASTROTHEODOROS, Professor (Assistant), PhD, University of West Attica, Athens, TEIATH, Department of Antiquities and Works of Art Conservation

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Pigments—Iron-based red, yellow, and brown ochres

Kremer Pigments - French Ochre Yellow, very light - Atlantis Art

40220 Italian Gold Ochre Light Kremer Pigment 1kg plastic container

clear yellow earth pigment, washed

French Ochre JTCLES

Cobalt Green Pale PG19 Dry Pigment - New Zealand

ACS Symposium Series (ACS Publications)