The term aizuri-e usually refers to Japanese woodblock prints that are printed entirely or predominantly in blue. When a second color is used, it is usually red. Even if only a single type of blue ink
Kajikazawa in Kai Province by Hokusai, 1831. From series Thirty-six Views of Mount Fuji.
White Falcon in a pine tree by Sawa Sekkyô, c. 1800
Kinryuzan Temple in Asakusa by Hiroshige II, mid-19th century. From the series Famous Places in the Eastern Capital.
Prussian blue is a dark blue pigment produced by oxidation of ferrous ferrocyanide salts. It has the chemical formula Fe43. It consists of Fe3+ cations, where iron is in the oxidation state of +3, and
Sample of prussian blue
The Great Wave off Kanagawa by Hokusai, an artwork that makes extensive use of Prussian blue
Simulated powder x-ray diffraction profile for Prussian blue crystal, crystallographic direction annotated. Image generated using CrystalMaker software.