Figure 3
From: Reduction of arsenic content in a complex galena concentrate by Acidithiobacillus ferrooxidans

Photography of a site in surface of a mount S: Sphaelerite; A: Arsenopyrite; P: Pyrite; Pr: Pyrrotite
From: Reduction of arsenic content in a complex galena concentrate by Acidithiobacillus ferrooxidans
Photography of a site in surface of a mount S: Sphaelerite; A: Arsenopyrite; P: Pyrite; Pr: Pyrrotite