shakudou　赤銅

KEY WORD :　architecture / decorations

Lit. gold bronze. Ornamental metal fittings *kazarikanagu 飾金具 made of an amalgam of copper with about 6 percent gold and 3.5 percent silver. The material acquires a blackish-purple shine when steeped in a solution of copper sulphate, ryuusandou 硫酸銅, copper rust *rokushou 緑青,and alum, myouban 明礬.

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