 The Roman naturalist Pedanius Dioscorides mentioned that antimony sulfide could be roasted by heating by a current of air . It is thought that this produced metallic antimony . 
 The Roman naturalist Pedanius Dioscorides mentioned that antimony sulfide could be roasted by heating by a current of air . It is thought that this produced metallic antimony . 
Da Roman naturalist Pedanius Dioscorides mentioned that antimony sulfide could be roasted by heating by a current of air . It is thought that dis produced metallic antimony .