Mineral: Calcite
Locality: Minerva I Mine, Ozark-Mahoning group, Cave-in-Rock Sub-District, Hardin County, Illinois, USA
Dimensions: 9.5 x 9.0 x 2.5 cm

Description: Scalenohedral honey-colored calcite crystals to 3.0 cm set on a matrix plate covered with numerous smaller calcite crystals.

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