It all boils down to how its molecules are arranged in three dimensions. Pyrite, chemically known as iron sulfide (FeS₂), is ...

Kenorland Minerals Ltd. (TSXV: KLD) (OTCQX: KLDCF) (FSE: 3WQ0) ("Kenorland" or the "Company") and Auranova Resources Inc.

There are piles of mine waste across the globe. Much of that waste is rich in low-grade metals, but they’re costly and complex […] ...

Iron toxicity occurs in inundated soils with high iron-oxidizing activity, although the accumulation of organic acids, hydrogen sulfide and other reduction products might contribute to this ...

Certain skarn zones are sulphide rich, with pods of sulphide minerals (predominately pyrite) up to 5 cm across (see Figure 2D). Molybdenite is locally abundant and very coarse grained ...

These bacteria produce hydrogen sulfide, which reacts with iron in the surrounding sediment to form pyrite. “Pyrite forms today through the action of sulfate-reducing bacteria that break down ...

Pyrite concretions are common in the Pennsylvanian shales immediately overlying the Bevier coal bed in north-central Missouri. They were studied in place in the shale and also with the microscope in ...