Ochre; iron ochre; golden ochre; satin ochre (satinober); pit ochre; vitriol ochre; Mars yellow; Chinese yellow; Imperial yellow; permanent yellow; terra di Siena; umber; Italian earth; Roman earth; bronze ochre; oxide yellow, etc. Yellow ochre; Jaune de Mars; Terre d’Italie. _Ferric Silicate_: Yellow earth; Argile jaune; yellow wash. RED EARTH COLOURS _Ferric oxide_ (with alumina and silica). Bolus; bole; Terra sigillata; Lemnos earth; red chalk; raddle; Striegau earth. _Ferric oxide_: Colcothar; English red; angel red; Pompeii red; Persian red; Indian red; Berlin red; Naples red; Nuremberg red; crocus; chemical red; Crocus Martis iron saffron; caput mortuum; raddle; rouge de fer; Rouge de Perse; Rouge des Indes; Rouge de Mars; Rouge d’Angleterre. BROWN EARTH COLOURS _Ferric oxide_: Ferric hydroxide; Ferric silicate (conf. Yellow Earth Colours, which are often sold under the same names as the browns. The paler kinds are usually called “pale” or “golden,” such as pale ochre, golden ochre, etc.). Terra di Siena; burnt Siena; satinober; mahogany brown; Vandyke brown. _Ferric silicate, Clay_: Umber; umber brown; Roman earth; Roman umber; Turkish brown; Sicilian brown; Cyprus earth; chestnut brown; burnt umber; ombre; Terre d’ombre; Ombre brulée. _Organic decomposition products_: Cologne umber; Cologne earth; Cassel brown; Spanish brown; mahogany brown; Vandyke brown; brown carmine; Terre brun de Cologne; Brun de Cologne; Brun d’Espagne; Ombre de Cologne; Brun de Cassel; Terre d’Ombre; Cologne brown. _Asphaltum_ (_mineral rosin_): Asphaltum brown; bistre; earth brown; bitumen; pitch brown; Asphalte; Brun de bitume; Bitume. GREEN EARTH COLOURS _Ferrous oxide with silica, alumina, lime, etc._: Green earth; Verona green; Celadon green; Verona earth; Italian green; stone green; Bohemian earth; Cyprus earth; Tyrol green; permanent green; green ochre; Terre verte; Terre de Vérone; Vert d’Italie. _Cupric carbonate_: Malachite green; mountain green; Hungarian green; copper green; mineral green; Tyrolese green; shale green; Vert de montagne; Vert d’Hongrie. BLUE EARTH COLOURS _Cupric carbonate_: Malachite blue; mountain blue; lazulite blue; azure blue; mineral blue; copper blue; Hamburg blue; English blue; Cendres bleues; Bleu d’azure; Bleu de cuivre; Vert-de-gris bleu; blue verditer. GREY EARTH COLOURS _Grey clay shale_: Mineral grey; silver grey; stone grey; slate grey. BLACK EARTH COLOURS _Carbon_: Graphite; blacklead; plumbago; iron black. _Clay shale_: Black chalk; slate black; Spanish black; Spanish chalk; oil black; Schiste noir; Noir d’Espagne. INDEX Alabaster. _See_ Gypsum. Alumina, silicate of, 21, 22 Aluminium-potassium silicate, 21 Alum sludge, 32 ----, artificial ochre from, 148 ----, ferric oxide pigments from, 164–167 Ammonium salts, artificial ochre from, 145, 146 Anhydrite, 19 Anthracolite, 13 Arragonite, 13 Asphaltum, 37, 38. _See also_ Bitumen.