берлинская лазурь (синий краситель) Синоним(ы): Berlin blue
минералогия берлинская лазурь
noun Etymology: Prussia, Germany 1. any of numerous blue iron pigments formerly regarded as ferric ferrocyanide 2. a dark blue crystalline hydrated ferric ferrocyanide Fe4[Fe(CN)6]3•xH2O used as a test for ferric iron 3. a greenish blue