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Table 1 Mineral species and associations

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

Mineral species and associations Relative proportion
Galena (free) 50.41
Galena + Arsenopyrite 13.95
Pyrite (free) 5.42
Galena + Sphaelerite 4.60
Arsenopyrite (free) 3.87
Pyrrotite (free) 3.09
Sphaelerite 3.09
Galena + Pyrite 2.33
Galena + Sphaelerite + Arsenopyrite 1.55
Galena + Arsenopyrite with inclusions of Galena 1.55
Other complex associations 10.14