Mineral: Calcite and Fluorite
Locality: Minerva I Mine, Ozark-Mahoning group, Cave-in-Rock Sub-District, Hardin County, Illinois, USA
Dimensions: 2.3 x 5.3 cm
Description: A pale yellow scalenohedral calcite crystal measuring 5.0 cm in length resting on a small shard of matrix surrounded by transparent pale lilac-colored fluorite crystals.
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