/ oak • ur / Yellow ochre	Jump to pigmentMadder lake (alizarine)AzuriteBone blackBrown ochreCarmineCadmium orangecadmium yellowCerulean BlueCalcium carbonate whitesCharcoalcobalt blueCobalt greencobalt violetCobalt yellowChrome orangechrome yellowcopper resinateEgyptian blueEmerald greenGreen earthIndian yellowIndigolead whiteLemon yellowmalachiteNaples yellowOrpimentlead tin yellowPrussian bluerealgarred leadRed ochresmalttitanium dioxideUltramarineUmbraVan Dyke brownverdigrisvermilionviridianYellow ochrezinc white

1.  Overview     2. History of use     3. Making the pigment     4. Technical details

About the chemical structure:          Chemical name: Iron(III)-oxide hydrate Formula: Fe2O3 · H2O Refractive index: n/a

A swatch of Yellow ochre paint:

How can you identify Yellow ochre?          Chemical identification: n/a Spectra: Raman spectra (at University College London), (pdf file download; at University of Florence, Italy)   Usage and handling:          Permanence: Toxicity: n/a non toxic   Literature:             Eisenoxidpigmente (at Pigmentlexikon by Th. Seilnacht) Carmi Weingrod, Earth Pigments: The Artist's Oldest Paintbox, (at Daniel Smith Inc.) Fuller. Carl, Natural. Colored Iron Oxide Pigments pp. 281-6. In: Pigment Handbook, 2nd Edition. Lewis, P. (ed.). New York: John Wiley & Sons,1988. Thomas, Anne Wall. Colors From the Earth, New York: Van Nostrand Reinhold, 1980.

Other yellows         (intro) - - cadmium yellow - chrome yellow - Cobalt yellow - Indian yellow       lead tin yellow - Lemon yellow - Naples yellow - Orpiment - Orpiment - Yellow ochre