出典:Wiktionary
出典:Wikipedia
出典:『Wikipedia』 (2011/06/09 17:28 UTC 版)
Sinopia (named after the Turkish city Sinop) is a reddish-brown ochre-like earth color pigment used in traditional oil painting. It is used for the cartoon or underpainting for a fresco. It is composed of iron oxides, from a kind of clay or quartz called sinople.