Irogane (色金 "coloured metals") is the term for a set of Japanese metals – forms of copper (with natural impurities), and copper alloys – treated in niiro...

Shibuichi (四分一) is a historically Japanese copper alloy, a member of the irogane class, which is patinated into a range of subtle greys and muted shades...

billon of gold and copper (typically 4–10% gold, 96–90% copper), one of the irogane class of colored metals, which can be treated to develop a black, or sometimes...

especially several copper alloys, with the results being metals of the irogane class. These "colour metals," virtually unknown outside Japan until the...

the colouration of copper and certain of its alloys, resulting in the irogane class of craft metals, including shakudo,: p. 88  shibuichi: p. 86  and...

Yoshitoshi Abe (cartoonist / illustrator) Cóilín Ó Dubhghaill (metalworker and irogane researcher) Shin Egashira (Architect/ Sculptor) Tsuguharu Foujita (oil...

Site of Japan in 1939. The designation includes Mount Mihata (御旗山), Mount Irogane (色金山), and the head mound (首塚) It is about a 3-minute walk from Nagakute...

produced a range of papers including several on the topics of Japanese irogane metals and mokume gane, and interdisciplinarity. Ó Dubhghaill worked, and...

typically of 99% copper and 1% metallic arsenic,: p. 88  one of the class of irogane metals. It is used in the production of other alloys, and in decorative...

period battlefield site; designation includes Mount Mihata (御旗山), Mount Irogane (色金山), and the Kubizuka (首塚) 35°11′10″N 137°03′18″E / 35.18608369°N 137...