Pyrite Concretion look-alikes

Pyrite (FeS2) in a concretionary form

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Several rocks and minerals can be confused with Pyrite Concretion. 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

Marcasite Concretion

Marcasite (FeS2) in a concretionary form

Also known as: White Iron Pyrites Concretion

Siderite Concretion

Siderite (FeCO3) in a concretionary form

Also known as: Iron Carbonate Concretion

Chert Nodule

Chert (SiO2) in a nodular form

Also known as: Flint Nodule

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Full guide to Pyrite Concretion

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