Pyrite in fine-grained mafic or ultramafic rock look-alikes
Pyrite (FeS2) in a fine-grained mafic or ultramafic rock
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Open the appSeveral rocks and minerals can be confused with Pyrite in fine-grained mafic or ultramafic rock. Below are documented look-alikes and the features that tell them apart. Never rely on a single feature. Always check multiple properties.
Similar rocks to compare
Chalcopyrite in host rock
Chalcopyrite (CuFeS2) in a fine-grained mafic or ultramafic rock
Also known as: Copper Pyrite in Basalt
Pyrrhotite in host rock
Pyrrhotite (Fe1-xS) in a fine-grained mafic or ultramafic rock
Also known as: Magnetic Pyrite in Diabase
Marcasite in host rock
Marcasite (FeS2) in a fine-grained mafic or ultramafic rock
Also known as: White Iron Pyrite in Shale
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