Six slags from Volubilis archaeological site roman period (II-III centuries AC) and Jabal Awam ancient mine have been examined for their mineral and chemical compositions by a multi-technique approach (Optical and metallographical microscopies. XRD. ICP-AES and XRF). Mineralogical analyses have emphasised the occurrence of iron oxi-hydroxide. https://parisnaturalfoodes.shop/product-category/lecithin-granules/