![]() Cremnitz white (PW1): basic lead(II) carbonate ( (PbCO 3) 2.Barium sulfate (PW5 or baryte): barium sulfate (BaSO 4).Antimony white: antimony(III) oxide (Sb 2O 3).Titanium black: Titanium(III) oxide (Ti 2O 3).Manganese dioxide: blackish or brown in color, used since prehistoric times (MnO 2).Mars black or Iron black (PBk11) (C.I.Raw sienna (PBr7): a naturally occurring yellow-brown pigment from limonite clay.When calcined (heated) it is referred to as burnt umber and has more intense colors. Raw umber (PBr7): a natural clay pigment consisting of iron oxide, manganese oxide and aluminum oxide: Fe 2O 3 + MnO 2 + nH 2O + Si + Al 2O 3.Minium (pigment): also known as red lead, lead tetroxide, Pb 3O 4.Ĭlay earth pigments (naturally formed iron oxides). ![]() Burnt sienna (PBr7): a pigment produced by heating raw sienna.Sanguine, Caput mortuum, Indian red, Venetian red, oxide red (PR102).Cadmium red (PR108): cadmium sulfo-selenide (Cd2SSe).Realgar: As 4S 4 - a highly toxic natural pigment.Chrome orange: a now obscure pigment composed of a mixture of lead chromate and lead(II) oxide (PbCrO 4.Cadmium orange (PO20): an intermediate between cadmium red and cadmium yellow: cadmium sulfoselenide.Bismuth vanadate orange (PO83) non-toxic pigment similar to vermilion.Zinc yellow (PY36): zinc chromate ( ZnCrO 4), a highly toxic substance with anti-corrosive properties which was historically most often used to paint over metals.Lead-tin-yellow: PbSnO 4 or Pb(Sn,Si)O 3.Yellow ochre (PY43): a naturally occurring clay of monohydrated ferric oxide ( Fe 2O 3.Aureolin or cobalt yellow (PY40): potassium cobaltinitrite ( K 3Co(NO 2) 6).Chrome yellow or crocoite (PY34): lead chromate ( PbCrO 4).Cadmium yellow (PY37): cadmium sulfide (CdS), which also occurs as the mineral greenockite.Primrose yellow (PY184): bismuth vanadate ( BiVO 4).Orpiment: natural monoclinic arsenic sulfide ( As 2S 3).Green earth: also known as terre verte and Verona green ( K(AlSi 3,Si 4)O 10(OH) 2).Scheele's Green (also called Schloss green): cupric arsenite (CuHAsO 3). ![]()
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