Mineral: Calcite
Locality: Basalt Quarry, Malscheid, Herdorf, Siegerland, Rhineland-Palatinate/Rheinland-Pfalz, Germany
Dimensions: Specimen height 7,5 cm, calcite measures 1,5 cm

Description: Greenish yellow calcite "hemisphere" on dark matrix from Mahlscheid quarry in Siegerland, Germany.

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