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Siderite crystals are often found in siderite geodes in claypits. The - in my opinion - best examples were found in the claypit of Farmsen near Hildesheim, Lower Saxony. The pic shows a 9 cm wide sample with golden brown crystals. (Author: Andreas Gerstenberg)

Siderite crystals are often found in siderite geodes in claypits. The - in my opinion - best examples were found in the claypit of Farmsen near Hildesheim, Lower Saxony. The pic shows a 9 cm wide sample with golden brown crystals. (Author: Andreas Gerstenberg)

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