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Dolomite, Calcite, Pyrite


Dolomite : CaMg(CO3)2, Calcite : CaCO3, Pyrite : FeS2

Photo Copyright © Jean-Marie Claude  - This image is copyrighted. Unauthorized reproduction prohibited.
Locality: Glageon Quarry (Le Cailloit Quarry), Avesnes sur Helpe, Nord, Nord-Pas-de-Calais, France
Specimen 50x55mm associating calcite scalénoèdres of dolomite in “saddle”.Numerous small crystals single man pyrites are put down on the crètes of dolomite.Specimen dating from the years 1978à1980.Photograph and collection: CLAUDE jm

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