Pyrite, Calcite

Specimen ID: 2AL-77U

Pyrite : FeS2
Calcite : CaCO3
Mindat locality:

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Pyrite (or pyrite and marcasite) with calcite found in the 90's during the superficial first works. This specimen came from the contact zone basalt/limestone. Close-up of a large specimen, Rui Nunes Apr 2014.
Rui Nunes - 13th April 2014
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