Minium powder. Minium is lead oxide (rust). It forms by oxidation of primary lead ores,such as galena (lead sulphide) and is almost always powdery with a yellowish red color. Minium is used as a pigment in paints and dyes,but health concerns about lead have reduced this use | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Wiersma, Dirk |
Bildgröße: | 5125 px × 3417 px |
Modell-Rechte: | nicht erforderlich |
Restrictions: | - |