Mineral: Quartz
Locality: Salzlackenbusch, Ziegelhausen, Heidelberg, Stadtkreis, Karlsruhe, Baden-Württemberg, Germany
Dimensions: 40 x 35 x 35 mm

Description: So-called "Scheinkristall" (Pseudo-crystal), a replacement of former calcite by coagulated quartz sand. From the "Kugel" horizon in the Triassic Middle Bunter sandstone.

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