黄おう鉄てっ鉱こうおうてっこうMeanings1nounpyrite; iron pyrites; fool's goldRefers to the mineral pyrite (FeS₂), commonly known as fool's gold due to its metallic luster and pale brass-yellow hue.黄おう鉄てっ鉱こうは、その金きん色いろの輝かがやきから「愚おろか者ものの