Iron oxide black.jpg
FK1954
en
Iron oxide black, Black powder, Natural pigments, Iron oxides
commons
en
Iron oxide black, Iron oxide black
commons
ja
酸化鉄黒色、黒色火薬、天然色素、酸化鉄
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ja
酸化鉄黒、酸化鉄黒
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oxide tetroxide oxidative oxidation iron (golf) gunpowder pigmentation pigment steam iron